s B31.3 1/2" s/40 & Std. - 0.109" Wall PENETRAMETER SELECTION Note: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest. Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2 F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3 Welds with reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2 F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3 Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.172" CRACKS AND LACK OF FUSION None Allowed INCOMPLETE PENETRATION Normal Service Girth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld. Longitudinal Groove: None allowed Severe Cyclic Girth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATION Normal Service Max Individual Length: 0.218 Max Individual Width: 0.055" Max Cumulative Length: 0.436 in 6" of weld Severe Cyclic Conditions Max Individual Length: 0.036" Max Individual Width: 0.036" Max Cumulative Length: 0.109" in 1.308" of w. UNDERCUTTING Normal Services: Not a factor for normal service Severe Cyclic: Zero allowed CONCAVE ROOT SURFACE (SUCK-UP) Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall INTERNAL POROSITY Relevant Indication: 0.012 Normal Services: Max Size of Random Internal Porosity: 0.027" Max Size of Isolated Internal Porosity: 0.036" Max Sum of diameters of Aligned Porosity: 0.109" in a 1.308" length of weld Max group length of Aligned Internal Porosity: 0.250" Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.218" Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0" Max number of relevant internal porosity in a 6" length of of weld = 12 Severe Cyclic: Max size of Random Internal Porosity: 0.027" Max Size of Isolated Internal Porosity: 0.036" Max sum of diameters of Aligned Porosity: 0.109" in a 1.308" length of weld. Max group length of Aligned Internal Porosity: 0.250" Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.218 Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0" Max number of relevant internal porosity in a 6" length of weld = 12
Asme b31.3 Acceptance Rt Tabulated
Jan 15, 2016
Asme b31.3 Acceptance Rt Tabulated, NDT, NDE, RT
Welcome message from author
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
s
B31.31/2" s/40 & Std. - 0.109" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.172"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.218 Max Individual Width: 0.055" Max Cumulative Length: 0.436 in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.036" Max Individual Width: 0.036" Max Cumulative Length: 0.109" in 1.308" of w.
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.012
Normal Services:Max Size of Random Internal Porosity: 0.027" Max Size of Isolated Internal Porosity: 0.036"Max Sum of diameters of Aligned Porosity: 0.109" in a 1.308" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.218"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"Max number of relevant internal porosity in a 6" length of of weld = 12
Severe Cyclic:Max size of Random Internal Porosity: 0.027" Max Size of Isolated Internal Porosity: 0.036"Max sum of diameters of Aligned Porosity: 0.109" in a 1.308" length of weld.Max group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.218Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"Max number of relevant internal porosity in a 6" length of weld = 12
s
B31.31/2 s/80 & Extra Strong - 0.147" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.210"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.294" Max Individual Width: 0.074" Max Cumulative Length: 0.588" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.049" Max Individual Width: 0.049" Max Cumulative Length: 0.147" in 1.764" of w.
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.016
Normal Services:Max Size of Random Internal Porosity: 0.037" Max Size of Isolated Internal Porosity: 0.049"Max Sum of diameters of Aligned Porosity: 0.147" in a 1.764" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.294"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
Severe Cyclic:Max size of Random Internal Porosity: 0.037" Max Size of Isolated Internal Porosity: 0.049"Max sum of diameters of Aligned Porosity: 0.147" in a 1.764" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.294"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.31/2" s/160 - 0.188" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6
F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.251"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.376" Max Individual Width: 0.094" Max Cumulative Length: 0.752" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.063" Max Individual Width: 0.063" Max Cumulative Length: 0.188" in 2.256" of w.
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.016
Normal Services:Max Size of Random Internal Porosity: 0.047" Max Size of Isolated Internal Porosity: 0.063"Max Sum of diameters of Aligned Porosity: 0.188" in a 2.256" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.376"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
Severe Cyclic:Max size of Random Internal Porosity: 0.047" Max Size of Isolated Internal Porosity: 0.063"Max sum of diameters of Aligned Porosity: 0.188" in a 2.256" length of weld.Max group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.376"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.33/4" s/40 & Std. - 0.113" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.176"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.226" Max Individual Width: 0.057" Max Cumulative Length: 0.452" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.038" Max Individual Width: 0.038" Max Cumulative Length: 0.113" in 1.356" of w.
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.012
Normal Services:Max Size of Random Internal Porosity: 0.028" Max Size of Isolated Internal Porosity: 0.038"Max Sum of diameters of Aligned Porosity: 0.113" in a 1.356" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.226"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"Max number of relevant internal porosity in a 6" length of of weld = 12
Severe Cyclic:Max size of Random Internal Porosity: 0.028" Max Size of Isolated Internal Porosity: 0.038"Max sum of diameters of Aligned Porosity: 0.113" in a 1.356" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.226"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"Max number of relevant internal porosity in a 6" length of weld = 12
s
B31.33/4" s/80 & Extra Strong - 0.154" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.217"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.308" Max Individual Width: 0.077" Max Cumulative Length: 0.616" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.051" Max Individual Width: 0.051" Max Cumulative Length: 0.154" in 1.848" of w.
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.016
Normal Services:Max Size of Random Internal Porosity: 0.039" Max Size of Isolated Internal Porosity: 0.051"Max Sum of diameters of Aligned Porosity: 0.154" in a 1.848" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.308"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
Severe Cyclic:Max size of Random Internal Porosity: 0.039" Max Size of Isolated Internal Porosity: 0.051"Max sum of diameters of Aligned Porosity: 0.154" in a 1.848" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.308"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.33/4" s/160 - 0.219" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6
F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.282"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.438" Max Individual Width: 0.110" Max Cumulative Length: 0.876" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.073" Max Individual Width: 0.073" Max Cumulative Length: 0.219" in 2.628" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.016
Normal Services:Max Size of Random Internal Porosity: 0.055" Max Size of Isolated Internal Porosity: 0.073"Max Sum of diameters of Aligned Porosity: 0.219" in a 2.628" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.438"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
Severe Cyclic:Max size of Random Internal Porosity: 0.055" Max Size of Isolated Internal Porosity: 0.073"Max sum of diameters of Aligned Porosity: 0.219" in a 2.628" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.438"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.33/4" XX Strong - 0.308" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6
F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Welds with reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5
F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.433"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.616" Max Individual Width: 0.125" Max Cumulative Length: 1.232" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.103" Max Individual Width: 0.094" Max Cumulative Length: 0.308" in 3.696" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031"
Normal Services:Max Size of Random Internal Porosity: 0.116" Max Size of Isolated Internal Porosity: 0.154"Max Sum of diameters of Aligned Porosity: 0.462" in a 3.696" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.924"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.077" Max Size of Isolated Internal Porosity: 0.103"Max sum of diameters of Aligned Porosity: 0.308" in a 3.696" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.616"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.31" s/10 - 0.109" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.172"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.218" Max Individual Width: 0.055" Max Cumulative Length: 0.436" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.036" Max Individual Width: 0.036" Max Cumulative Length: 0.109" in 1.308" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.012
Normal Services:Max Size of Random Internal Porosity: 0.027" Max Size of Isolated Internal Porosity: 0.036"Max Sum of diameters of Aligned Porosity: 0.109" in a 1.308" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.218"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"Max number of relevant internal porosity in a 6" length of weld = 12
Severe Cyclic:Max size of Random Internal Porosity: 0.027" Max Size of Isolated Internal Porosity: 0.036"Max sum of diameters of Aligned Porosity: 0.109" in a 1.308" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.218"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"Max number of relevant internal porosity in a 6" length of weld = 12
s
B31.31" s/40 & Std. - 0.133" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.196"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.266" Max Individual Width: 0.067" Max Cumulative Length: 0.532" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.044" Max Individual Width: 0.044" Max Cumulative Length: 0.133" in 1.596" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.016
Normal Services:Max Size of Random Internal Porosity: 0.033" Max Size of Isolated Internal Porosity: 0.044"Max Sum of diameters of Aligned Porosity: 0.133" in a 1.596" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.266"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
Severe Cyclic:Max size of Random Internal Porosity: 0.033" Max Size of Isolated Internal Porosity: 0.044"Max sum of diameters of Aligned Porosity: 0.133" in a 1.596" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.266"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.31" s/80 & Extra Strong - 0.179" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: ` 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.242"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.358" Max Individual Width: 0.090" Max Cumulative Length: 0.716" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.060" Max Individual Width: 0.060" Max Cumulative Length: 0.179" in 2.148" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.016
Normal Services:Max Size of Random Internal Porosity: 0.045" Max Size of Isolated Internal Porosity: 0.060"Max Sum of diameters of Aligned Porosity: 0.179" in a 2.148" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.358"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
Severe Cyclic:Max size of Random Internal Porosity: 0.045" Max Size of Isolated Internal Porosity: 0.060"Max sum of diameters of Aligned Porosity: 0.179" in a 2.148" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.358"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.31" s/160 - 0.250" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6
F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.313"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.500" Max Individual Width: 0.125" Max Cumulative Length: 1.000 in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.083" Max Individual Width: 0.083" Max Cumulative Length: 0.250" in 3.000" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.016
Normal Services:Max Size of Random Internal Porosity: 0.063" Max Size of Isolated Internal Porosity: 0.083"Max Sum of diameters of Aligned Porosity: 0.250" in a 3.000" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
Severe Cyclic:Max size of Random Internal Porosity: 0.063" Max Size of Isolated Internal Porosity: 0.083"Max sum of diameters of Aligned Porosity: 0.250" in 3.000" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.31" XX Strong - 0.358" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6
F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Welds with reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5
F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.483"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.716" Max Individual Width: 0.125" Max Cumulative Length: 1.432" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.119" Max Individual Width: 0.094" Max Cumulative Length: 0.358" in 4.296" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:Max Size of Random Internal Porosity: 0.134" Max Size of Isolated Internal Porosity: 0.179"Max Sum of diameters of Aligned Porosity: 0.537" in a 4.296" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.074"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.090" Max Size of Isolated Internal Porosity: 0.119"Max sum of diameters of Aligned Porosity: 0.358" in a 4.296" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.716"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.31.25" s/10 - 0.109" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Maximum allowable reinforcement: 0.625" Total of wall + reinforcement: 0.172"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.218" Max Individual Width: 0.055" Max Cumulative Length: 0.436" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.036" Max Individual Width: 0.036" Max Cumulative Length: 0.109" in 1.308" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.012
Normal Services:Max Size of Random Internal Porosity: 0.027" Max Size of Isolated Internal Porosity: 0.036"Max Sum of diameters of Aligned Porosity: 0.109" in a 1.308" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.218"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"Max number of relevant internal porosity in a 6" length of weld = 12Severe Cyclic:Max size of Random Internal Porosity: 0.027" Max Size of Isolated Internal Porosity: 0.036"Max sum of diameters of Aligned Porosity: 0.109" in a 1.308" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.218"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"Max number of relevant internal porosity in a 6" length of weld = 12
s
B31.31.25" s/40 & Std. - 0.140" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Maximum allowable reinforcement: 0.625" Total of wall + reinforcement: 0.203"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.280" Max Individual Width: 0.070" Max Cumulative Length: 0.560" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.047" Max Individual Width: 0.047" Max Cumulative Length: 0.140" in 1.680" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.016
Normal Services:Max Size of Random Internal Porosity: 0.035" Max Size of Isolated Internal Porosity: 0.047"Max Sum of diameters of Aligned Porosity: 0.140" in a 1.680" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.280"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"Severe Cyclic:Max size of Random Internal Porosity: 0.035" Max Size of Isolated Internal Porosity: 0.047"Max sum of diameters of Aligned Porosity: 0.140" in a 1.680" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.280"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.31.25" s/160 - 0.250" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6
F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Maximum allowable reinforcement: 0.625" Total of wall + reinforcement: 0.313"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.500" Max Individual Width: 0.125" Max Cumulative Length: 1.000" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.083" Max Individual Width: 0.083" Max Cumulative Length: 0.250" in 3.000" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.016
Normal Services:Max Size of Random Internal Porosity: 0.063" Max Size of Isolated Internal Porosity: 0.083"Max Sum of diameters of Aligned Porosity: 0.250" in a 3.000" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"Severe Cyclic:Max size of Random Internal Porosity: 0.063" Max Size of Isolated Internal Porosity: 0.083"Max sum of diameters of Aligned Porosity: 0.250" in 3.000" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.31.25" XX Strong - 0.382" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5
F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Welds with reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4
F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.507"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.764" Max Individual Width: 0.125" Max Cumulative Length: 1.528" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.127" Max Individual Width: 0.094" Max Cumulative Length: 0.382" in 4.584" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:Max Size of Random Internal Porosity: 0.143" Max Size of Isolated Internal Porosity: 0.191"Max Sum of diameters of Aligned Porosity: 0.573" in a 4.584" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.146"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"Severe Cyclic:Max size of Random Internal Porosity: 0.096" Max Size of Isolated Internal Porosity: 0.127"Max sum of diameters of Aligned Porosity: 0.382" in a 4.584" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.764"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.31.5" s/10 - 0.109" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.172"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.218" Max Individual Width: 0.055" Max Cumulative Length: 0.436" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.036" Max Individual Width: 0.036" Max Cumulative Length: 0.109" in 1.308" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.012
Normal Services:Max Size of Random Internal Porosity: 0.027" Max Size of Isolated Internal Porosity: 0.036"Max Sum of diameters of Aligned Porosity: 0.109" in a 1.308" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.218'Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"Max number of relevant internal porosity in a 6" length of of weld = 12
Severe Cyclic:Max size of Random Internal Porosity: 0.027" Max Size of Isolated Internal Porosity: 0.036"Max sum of diameters of Aligned Porosity: 0.109" in a 1.308" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.218"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"Max number of relevant internal porosity in a 6" length of weld = 12
s
B31.31.5" s/40 & /Std. - 0.145" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.208"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.290" Max Individual Width: 0.073" Max Cumulative Length: 0.580" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.048" Max Individual Width: 0.048" Max Cumulative Length: 0.145" in 1.740" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.016
Normal Services:Max Size of Random Internal Porosity: 0.036" Max Size of Isolated Internal Porosity: 0.048"Max Sum of diameters of Aligned Porosity: 0.145" in a 1.740" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.290"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"Severe Cyclic:Max size of Random Internal Porosity: 0.036" Max Size of Isolated Internal Porosity: 0.048"Max sum of diameters of Aligned Porosity: 0.145" in a 1.740" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.290"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.31.5" s/80 & Extra Strong - 0.200" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6
F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.263"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.400" Max Individual Width: 0.100" Max Cumulative Length: 0.800" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.067" Max Individual Width: 0.067" Max Cumulative Length: 0.200" in 2.400" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.016
Normal Services:Max Size of Random Internal Porosity: 0.050" Max Size of Isolated Internal Porosity: 0.067"Max Sum of diameters of Aligned Porosity: 0.200" in a 2.400" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.400"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"Severe Cyclic:Max size of Random Internal Porosity: 0.050" Max Size of Isolated Internal Porosity: 0.067"Max sum of diameters of Aligned Porosity: 0.200" in a 2.400" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.400"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.31.5" s/160 - 0.281" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6
F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Welds with reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5
F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.406"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.562" Max Individual Width: 0.125" Max Cumulative Length: 1.124" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.094" Max Individual Width: 0.094" Max Cumulative Length: 0.281" in 3.372" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:Max Size of Random Internal Porosity: 0.105" Max Size of Isolated Internal Porosity: 0.141"Max Sum of diameters of Aligned Porosity: 0.422" in a 3.372" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.843"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"Severe Cyclic:Max size of Random Internal Porosity: 0.070" Max Size of Isolated Internal Porosity: 0.094"Max sum of diameters of Aligned Porosity: 0.281" in a 3.372" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.562"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.31.5" XX Strong - 0.400" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5
F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Welds with reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4
F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.525"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.800" Max Individual Width: 0.125" Max Cumulative Length: 1.600" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.133" Max Individual Width: 0.094" Max Cumulative Length: 0.400" in 4.800" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:Max Size of Random Internal Porosity: 0.150" Max Size of Isolated Internal Porosity: 0.200"Max Sum of diameters of Aligned Porosity: 0.600" in a 4.800" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.200"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"Severe Cyclic:Max size of Random Internal Porosity: 0.100" Max Size of Isolated Internal Porosity: 0.133"Max sum of diameters of Aligned Porosity: 0.400" in a 4.800" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.800"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.32" s/40 & Std. - 0.154" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.217"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.308" Max Individual Width: 0.077" Max Cumulative Length: 0.616" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.051" Max Individual Width: 0.051" Max Cumulative Length: 0.154" in 1.848" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.016
Normal Services:Max Size of Random Internal Porosity: 0.039" Max Size of Isolated Internal Porosity: 0.051"Max Sum of diameters of Aligned Porosity: 0.154" in a 1.848" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.308"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
Severe Cyclic:Max size of Random Internal Porosity: 0.039" Max Size of Isolated Internal Porosity: 0.051"Max sum of diameters of Aligned Porosity: 0.154" in a 1.848" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.308"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.32" s/80 and Extra Strong - 0.218" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6
F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.281"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.436" Max Individual Width: 0.109" Max Cumulative Length: 0.872" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.073" Max Individual Width: 0.073" Max Cumulative Length: 0.218" in 2.616" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.016
Normal Services:Max Size of Random Internal Porosity: 0.055" Max Size of Isolated Internal Porosity: 0.073"Max Sum of diameters of Aligned Porosity: 0.218" in a 2.616" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.436"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
Severe Cyclic:Max size of Random Internal Porosity: 0.055" Max Size of Isolated Internal Porosity: 0.073"Max sum of diameters of Aligned Porosity: 0.218" in a 2.616" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.436"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.32" s/160 - 0.344" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6
F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Welds with reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5
F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.469"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.688" Max Individual Width: 0.125" Max Cumulative Length: 1.376" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.115" Max Individual Width: 0.094" Max Cumulative Length: 0.344" in 4.128" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:Max Size of Random Internal Porosity: 0.129" Max Size of Isolated Internal Porosity: 0.172"Max Sum of diameters of Aligned Porosity: 0.516" in a 4.128" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.032"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.086" Max Size of Isolated Internal Porosity: 0.115"Max sum of diameters of Aligned Porosity: 0.344" in a 4.128" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.688"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.32" XX Strong - 0.436" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5
F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Welds with reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4
F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.561"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.872" Max Individual Width: 0.125" Max Cumulative Length: 1.744" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.145" Max Individual Width: 0.094" Max Cumulative Length: 0.436" in 5.232" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:Max Size of Random Internal Porosity: 0.164" Max Size of Isolated Internal Porosity: 0.218"Max Sum of diameters of Aligned Porosity: 0.654" in a 5.232" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.308"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.109" Max Size of Isolated Internal Porosity: 0.145"Max sum of diameters of Aligned Porosity: 0.436" in a 5.232" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.872"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.33" s/10 - 0.120" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.183"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.240" Max Individual Width: 0.060" Max Cumulative Length: 0.480" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.040" Max Individual Width: 0.040" Max Cumulative Length: 0.120" in 1.440" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.013
Normal Services:Max Size of Random Internal Porosity: 0.030" Max Size of Isolated Internal Porosity: 0.040"Max Sum of diameters of Aligned Porosity: 0.120" in a 1.440" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.240"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"Max number of relevant internal porosity in a 6" length of of weld = 12
Severe Cyclic:Max size of Random Internal Porosity: 0.030" Max Size of Isolated Internal Porosity: 0.040"Max sum of diameters of Aligned Porosity: 0.120" in a 1.440" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.240"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"Max number of relevant internal porosity in a 6" length of weld = 12
s
B31.33" s/40 & Std. - 0.216" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6
F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.279"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.432" Max Individual Width: 0.108" Max Cumulative Length: 0.864" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.072" Max Individual Width: 0.072" Max Cumulative Length: 0.216" in 2.592" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.016
Normal Services:Max Size of Random Internal Porosity: 0.054" Max Size of Isolated Internal Porosity: 0.072"Max Sum of diameters of Aligned Porosity: 0.216" in a 2.592" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.432"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
Severe Cyclic:Max size of Random Internal Porosity: 0.054" Max Size of Isolated Internal Porosity: 0.072"Max sum of diameters of Aligned Porosity: 0.216" in a 2.592" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.432"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.33" s/80 and Extra Strong - 0.300" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6
F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Welds with reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5
F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.425"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.600" Max Individual Width: 0.125" Max Cumulative Length: 1.200" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.100" Max Individual Width: 0.094" Max Cumulative Length: 0.300" in 3.600" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:Max Size of Random Internal Porosity: 0.113" Max Size of Isolated Internal Porosity: 0.150"Max Sum of diameters of Aligned Porosity: 0.450" in a 3.600" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.900"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.075" Max Size of Isolated Internal Porosity: 0.100"Max sum of diameters of Aligned Porosity: 0.300" in a 3.600" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.600"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.33" s/160 - 0.438" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5
F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Welds with reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4
F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.563"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.876" Max Individual Width: 0.125" Max Cumulative Length: 1.752" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.146" Max Individual Width: 0.094" Max Cumulative Length: 0.438" in 5.256" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:Max Size of Random Internal Porosity: 0.164" Max Size of Isolated Internal Porosity: 0.219"Max Sum of diameters of Aligned Porosity: 0.657" in a 5.256" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.314"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.110" Max Size of Isolated Internal Porosity: 0.146"Max sum of diameters of Aligned Porosity: 0.438" in a 5.256" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.876"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.33" XX Strong - 0.600" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4
F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Welds with reinforcement: S/S Hole: 25 S/S Wire: 0.020 Esn. Wire: B3
F/S Hole: 20 F/S Wire: 0.016 Esn. Wire: B4Maximum allowable reinforcement: 0.156" Total of wall + reinforcement: 0.756"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.200" Max Individual Width: 0.125" Max Cumulative Length: 2.400" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.200" Max Individual Width: 0.094" Max Cumulative Length: 0.600" in 7.200" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:Max Size of Random Internal Porosity: 0.225" Max Size of Isolated Internal Porosity: 0.300"Max Sum of diameters of Aligned Porosity: 0.900" in a 7.200" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.5"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.150" Max Size of Isolated Internal Porosity: 0.200"Max sum of diameters of Aligned Porosity: 0.600" in a 7.200" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.0"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.34" s/10 - 0.120" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.183"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.240" Max Individual Width: 0.060" Max Cumulative Length: 0.480" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.040" Max Individual Width: 0.040" Max Cumulative Length: 0.120" in 1.440" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.013
Normal Services:Max Size of Random Internal Porosity: 0.030" Max Size of Isolated Internal Porosity: 0.040"Max Sum of diameters of Aligned Porosity: 0.120" in a 1.440" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.240"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"Max number of relevant internal porosity in a 6" length of weld = 12
Severe Cyclic:Max size of Random Internal Porosity: 0.030" Max Size of Isolated Internal Porosity: 0.040"Max sum of diameters of Aligned Porosity: 0.120" in a 1.440" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.240"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"Max number of relevant internal porosity in a 6" length of weld = 12
s
B31.34" s/40 & Std. - 0.237" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6
F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.183"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.474" Max Individual Width: 0.119" Max Cumulative Length: 0.948" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.079" Max Individual Width: 0.079" Max Cumulative Length: 0.237" in 2.844" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.016
Normal Services:
Max Size of Random Internal Porosity: 0.059" Max Size of Isolated Internal Porosity: 0.079"Max Sum of diameters of Aligned Porosity: 0.237" in a 2.844" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.474"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
Severe Cyclic:Max size of Random Internal Porosity: 0.059" Max Size of Isolated Internal Porosity: 0.079"Max sum of diameters of Aligned Porosity: 0.237" in a 2.844" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.474"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.34" s/80 and Extra Strong - 0.337" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6
F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Welds with reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5
F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.462"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.674" Max Individual Width: 0.125" Max Cumulative Length: 1.348" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.112" Max Individual Width: 0.094" Max Cumulative Length: 0.337" in 4.044" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.126" Max Size of Isolated Internal Porosity: 0.169"Max Sum of diameters of Aligned Porosity: 0.506" in a 4.044" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.011"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.084" Max Size of Isolated Internal Porosity: 0.112"Max sum of diameters of Aligned Porosity: 0.337" in a 4.044" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.674"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.34" s/120 - 0.438" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5
F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Welds with reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4
F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.563"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.876" Max Individual Width: 0.125" Max Cumulative Length: 1.752" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.146" Max Individual Width: 0.094" Max Cumulative Length: 0.438" in 5.256" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.164" Max Size of Isolated Internal Porosity: 0.219"Max Sum of diameters of Aligned Porosity: 0.657" in a 5.256" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.314"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.110" Max Size of Isolated Internal Porosity: 0.146"Max sum of diameters of Aligned Porosity: 0.438" in a 5.256" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.876"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.34" s/160 - 0.531" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4
F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Welds with reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4
F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Maximum allowable reinforcement: 0.156" Total of wall + reinforcement: 0.687"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.062" Max Individual Width: 0.125" Max Cumulative Length: 2.124" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.177" Max Individual Width: 0.094" Max Cumulative Length: 0.531" in 6.372" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.199" Max Size of Isolated Internal Porosity: 0.266"Max Sum of diameters of Aligned Porosity: 0.797" in a 6.372" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.5"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.133" Max Size of Isolated Internal Porosity: 0.177"Max sum of diameters of Aligned Porosity: 0.531" in a 6.372" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.0"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.34" XX Strong - 0.674" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4
F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Welds with reinforcement: S/S Hole: 25 S/S Wire: 0.020 Esn. Wire: B3
F/S Hole: 20 F/S Wire: 0.016 Esn. Wire: B4Maximum allowable reinforcement: 0.156" Total of wall + reinforcement: 0.830"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.348" Max Individual Width: 0.125" Max Cumulative Length: 2.696" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.225" Max Individual Width: 0.094" Max Cumulative Length: 0.674" in 8.008" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.337"Max Sum of diameters of Aligned Porosity: 1.011" in a 8.088" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.5"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.225"Max sum of diameters of Aligned Porosity: 0.674" in a 8.088" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.0"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.36" s/10 = 0.134" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.197"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.268" Max Individual Width: 0.067" Max Cumulative Length: 0.536" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.045" Max Individual Width: 0.045" Max Cumulative Length: 0.134" in 1.608" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.016
Normal Services:
Max Size of Random Internal Porosity: 0.034" Max Size of Isolated Internal Porosity: 0.045"Max Sum of diameters of Aligned Porosity: 0.134" in a 1.608" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.268"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
Severe Cyclic:Max size of Random Internal Porosity: 0.034" Max Size of Isolated Internal Porosity: 0.045"Max sum of diameters of Aligned Porosity: 0.134" in a 1.608" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.268"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.36" s/40 & Std. - 0.280" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6
F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Welds with reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5
F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.405"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.560" Max Individual Width: 0.125" Max Cumulative Length: 1.120" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.093" Max Individual Width: 0.093" Max Cumulative Length: 0.280" in 3.360" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.105" Max Size of Isolated Internal Porosity: 0.140"Max Sum of diameters of Aligned Porosity: 0.420" in a 3.360" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.840"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.070" Max Size of Isolated Internal Porosity: 0.093"Max sum of diameters of Aligned Porosity: 0.280" in a 3.360" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.560"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.36" s/80 & Extra Strong - 0.432" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5
F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Welds with reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4
F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.557"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.864" Max Individual Width: 0.125" Max Cumulative Length: 1.728" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.144" Max Individual Width: 0.094" Max Cumulative Length: 0.432" in 5.184" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.162" Max Size of Isolated Internal Porosity: 0.216"Max Sum of diameters of Aligned Porosity: 0.648" in a 5.184" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.296"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.108" Max Size of Isolated Internal Porosity: 0.144"Max sum of diameters of Aligned Porosity: 0.432" in a 5.184" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.864"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.36" s/160 - 0.719" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4
F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Welds with reinforcement: S/S Hole: 25 S/S Wire: 0.020 Esn. Wire: B3
F/S Hole: 20 F/S Wire: 0.016 Esn. Wire: B4Maximum allowable reinforcement: 0.156" Total of wall + reinforcement: 0.875"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.438" Max Individual Width: 0.125" Max Cumulative Length: 2.876" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.240" Max Individual Width: 0.094" Max Cumulative Length: 0.719" in 8.628" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.360"Max Sum of diameters of Aligned Porosity: 1.079" in a 8.628" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.5"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.240"Max sum of diameters of Aligned Porosity: 0.719" in a 8.628" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.0"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.36" XX Strong - 0.864" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 25 S/S Wire: 0.020 Esn. Wire: B3
F/S Hole: 20 F/S Wire: 0.016 Esn. Wire: B4Welds with reinforcement: S/S Hole: 30 S/S Wire: 0.025 Esn. Wire: B2
F/S Hole: 25 F/S Wire: 0.020 Esn. Wire: B3Maximum allowable reinforcement: 0.156" Total of wall + reinforcement: 1.020"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.728" Max Individual Width: 0.125" Max Cumulative Length: 3.456" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.288" Max Individual Width: 0.094" Max Cumulative Length: 0.864" in 10.368"/w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.375"Max Sum of diameters of Aligned Porosity: 1.296" in a 10.368" length of weldMax group length of Aligned Internal Porosity: 0.432"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.5"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.250"Max sum of diameters of Aligned Porosity: 0.864" in a 10.368" length of weldMax group length of Aligned Internal Porosity: 0.288"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.0"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.38" s/10 - 0.148" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.211"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.296" Max Individual Width: 0.074" Max Cumulative Length: 0.592" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.049" Max Individual Width: 0.049" Max Cumulative Length: 0.148" in 1.776" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.016
Normal Services:
Max Size of Random Internal Porosity: 0.037" Max Size of Isolated Internal Porosity: 0.049"Max Sum of diameters of Aligned Porosity: 0.148" in a 1.776" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.296"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
Severe Cyclic:Max size of Random Internal Porosity: 0.037" Max Size of Isolated Internal Porosity: 0.049"Max sum of diameters of Aligned Porosity: 0.148" in a 1.776" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.296"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.38" s/40 & Std. - 0.322" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6
F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Welds with reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5
F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.447"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.644" Max Individual Width: 0.125" Max Cumulative Length: 1.288" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.107" Max Individual Width: 0.094" Max Cumulative Length: 0.322" in 3.864" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.121" Max Size of Isolated Internal Porosity: 0.161"Max Sum of diameters of Aligned Porosity: 0.483" in a 3.864" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.966"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.081" Max Size of Isolated Internal Porosity: 0.107"Max sum of diameters of Aligned Porosity: 0.322" in a 3.864" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.644"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.38" s/80 & Extra Strong - 0.500" Wall
Penetrameter SelectionNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5
F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Welds with reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4
F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.625"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.000" Max Individual Width: 0.125" Max Cumulative Length: 2.000" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.167" Max Individual Width: 0.094" Max Cumulative Length: 0.500" in 6.000" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.188" Max Size of Isolated Internal Porosity: 0.250"Max Sum of diameters of Aligned Porosity: 0.750" in a 6.000" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.125" Max Size of Isolated Internal Porosity: 0.167"Max sum of diameters of Aligned Porosity: 0.500" in a 6.000" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.000"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.38" s/120 - 0.719" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4
F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Welds with reinforcement: S/S Hole: 25 S/S Wire: 0.020 Esn. Wire: B3
F/S Hole: 20 F/S Wire: 0.016 Esn. Wire: B4Maximum allowable reinforcement: 0.156" Total of wall + reinforcement: 0.875"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.438" Max Individual Width: 0.125" Max Cumulative Length: 2.876" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.240" Max Individual Width: 0.094" Max Cumulative Length: 0.719" in 8.628" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.360"Max Sum of diameters of Aligned Porosity: 1.079" in a 8.628" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.5"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.240"Max sum of diameters of Aligned Porosity: 0.719" in a 8.628" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.0"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.38" s/160 - 0.906" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 25 S/S Wire: 0.020 Esn. Wire: B3
F/S Hole: 20 F/S Wire: 0.016 Esn. Wire: B4Welds with reinforcement: S/S Hole: 30 S/S Wire: 0.025 Esn. Wire: B2
F/S Hole: 25 F/S Wire: 0.020 Esn. Wire: B3Maximum allowable reinforcement: 0.156" Total of wall + reinforcement: 1.062"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.812" Max Individual Width: 0.125" Max Cumulative Length: 3.624" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.302" Max Individual Width: 0.094" Max Cumulative Length: 0.906" in 10.872"/w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.375"Max Sum of diameters of Aligned Porosity: 1.359" in a 10.872" length of weldMax group length of Aligned Internal Porosity: 0.453"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.5"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.250"Max sum of diameters of Aligned Porosity: 0.906" in a 10.872" length of weldMax group length of Aligned Internal Porosity: 0.302"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.0"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.38" XX Strong - 0.875" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 25 S/S Wire: 0.020 Esn. Wire: B3
F/S Hole: 20 F/S Wire: 0.016 Esn. Wire: B4Welds with reinforcement: S/S Hole: 30 S/S Wire: 0.025 Esn. Wire: B2
F/S Hole: 25 F/S Wire: 0.020 Esn. Wire: B3Maximum allowable reinforcement: 0.156" Total of wall + reinforcement: 1.031"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.750" Max Individual Width: 0.125" Max Cumulative Length: 3.500" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.292" Max Individual Width: 0.094" Max Cumulative Length: 0.875" in 10.500"/w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.375"Max Sum of diameters of Aligned Porosity: 1.313" in a 10.5" length of weldMax group length of Aligned Internal Porosity: 0.438"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.5"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.250"Max sum of diameters of Aligned Porosity: 0.875" in a 10.5" length of weldMax group length of Aligned Internal Porosity: 0.292"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.0"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.310" s/10 - 0.165" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.228"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.330" Max Individual Width: 0.083" Max Cumulative Length: 0.660" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.055" Max Individual Width: 0.055" Max Cumulative Length: 0.165" in 1.980" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.016
Normal Services:
Max Size of Random Internal Porosity: 0.041" Max Size of Isolated Internal Porosity: 0.055"Max Sum of diameters of Aligned Porosity: 0.165" in a 1.980" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.330"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
Severe Cyclic:Max size of Random Internal Porosity: 0.041" Max Size of Isolated Internal Porosity: 0.055"Max sum of diameters of Aligned Porosity: 0.165" in a 1.980" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.330"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.310" s/40 & Std. - 0.365" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6
F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Welds with reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5
F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.490"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.730" Max Individual Width: 0.125" Max Cumulative Length: 1.460" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.122" Max Individual Width: 0.094" Max Cumulative Length: 0.365" in 4.380" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.137" Max Size of Isolated Internal Porosity: 0.183"Max Sum of diameters of Aligned Porosity: 0.548" in a 3.864" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.095"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.091" Max Size of Isolated Internal Porosity: 0.122"Max sum of diameters of Aligned Porosity: 0.365" in a 4.380" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.730"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.310" s/80 - 0.594" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4
F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Welds with reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4
F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Maximum allowable reinforcement: 0.156" Total of wall + reinforcement: 0.750"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.188" Max Individual Width: 0.125" Max Cumulative Length: 2.376" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.198" Max Individual Width: 0.094" Max Cumulative Length: 0.594" in 7.128" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.223" Max Size of Isolated Internal Porosity: 0.297"Max Sum of diameters of Aligned Porosity: 0.894" in a 7.128" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.149" Max Size of Isolated Internal Porosity: 0.198"Max sum of diameters of Aligned Porosity: 0.594" in a 7.128" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.000"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.310" Extra Strong - 0.500" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5
F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Welds with reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4
F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.625"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.000" Max Individual Width: 0.125" Max Cumulative Length: 2.000" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.167" Max Individual Width: 0.094" Max Cumulative Length: 0.500" in 6.000"/w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.188" Max Size of Isolated Internal Porosity: 0.250"Max Sum of diameters of Aligned Porosity: 0.750" in a 6.000" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.125" Max Size of Isolated Internal Porosity: 0.167"Max sum of diameters of Aligned Porosity: 0.500" in a 6.000" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.000"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.310" s/120 - 0.844" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 25 S/S Wire: 0.020 Esn. Wire: B3
F/S Hole: 20 F/S Wire: 0.016 Esn. Wire: B4Welds with reinforcement: S/S Hole: 25 S/S Wire: 0.020 Esn. Wire: B3
F/S Hole: 20 F/S Wire: 0.016 Esn. Wire: B4Maximum allowable reinforcement: 0.156" Total of wall + reinforcement: 1.000"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.688" Max Individual Width: 0.125" Max Cumulative Length: 3.376" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.281" Max Individual Width: 0.094" Max Cumulative Length: 0.844" in 10.128"/w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.375"Max Sum of diameters of Aligned Porosity: 1.266" in a 10.128" length of weldMax group length of Aligned Internal Porosity: 0.422"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.5"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.250"Max sum of diameters of Aligned Porosity: 0.844" in a 10.128" length of weldMax group length of Aligned Internal Porosity: 0.281"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.0"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.310" s/160 - 1.125" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 30 S/S Wire: 0.025 Esn. Wire: B2
F/S Hole: 25 F/S Wire: 0.020 Esn. Wire: B3Welds with reinforcement: S/S Hole: 30 S/S Wire: 0.025 Esn. Wire: B2
F/S Hole: 25 F/S Wire: 0.020 Esn. Wire: B3Maximum allowable reinforcement: 0.188" Total of wall + reinforcement: 1.313"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 2.250" Max Individual Width: 0.125" Max Cumulative Length: 4.5" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.375" Max Individual Width: 0.094" Max Cumulative Length: 1.125" in 13.500"/w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.375"Max Sum of diameters of Aligned Porosity: 1.688" in a 13.5" length of weldMax group length of Aligned Internal Porosity: 0.563"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.5"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.250"Max sum of diameters of Aligned Porosity: 1.125" in a 13.5" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.0"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.310" XX Strong - 1.00" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 25 S/S Wire: 0.020 Esn. Wire: B3
F/S Hole: 20 F/S Wire: 0.016 Esn. Wire: B4Welds with reinforcement: S/S Hole: 30 S/S Wire: 0.025 Esn. Wire: B2
F/S Hole: 25 F/S Wire: 0.020 Esn. Wire: B3Maximum allowable reinforcement: 0.156" Total of wall + reinforcement: 1.156"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 2.000" Max Individual Width: 0.125" Max Cumulative Length: 4.000" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.333" Max Individual Width: 0.094" Max Cumulative Length: 1.000" in 12.00"/w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.375"Max Sum of diameters of Aligned Porosity: 1.500" in a 12.0" length of weldMax group length of Aligned Internal Porosity: 0.500"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.5"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.250"Max sum of diameters of Aligned Porosity: 1.000" in a 12.0" length of weldMax group length of Aligned Internal Porosity: 0.333"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.0"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.312" s/10 - 0.180" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.243"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.360" Max Individual Width: 0.090" Max Cumulative Length: 0.720" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.060" Max Individual Width: 0.060" Max Cumulative Length: 0.180" in 2.160" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITY0.016
Normal Services:
Max Size of Random Internal Porosity: 0.045" Max Size of Isolated Internal Porosity: 0.060"Max Sum of diameters of Aligned Porosity: 0.180" in a 2.160" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.360"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
Severe Cyclic:Max size of Random Internal Porosity: 0.045" Max Size of Isolated Internal Porosity: 0.060"Max sum of diameters of Aligned Porosity: 0.180" in a 2.160" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.360"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.312" Standard - 0.375" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6
F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Welds with reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5
F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.500"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.750" Max Individual Width: 0.125" Max Cumulative Length: 1.500" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.125" Max Individual Width: 0.094" Max Cumulative Length: 0.375" in 4.5" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.141" Max Size of Isolated Internal Porosity: 0.188"Max Sum of diameters of Aligned Porosity: 0.563" in a 4.5" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.125"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.094" Max Size of Isolated Internal Porosity: 0.125"Max sum of diameters of Aligned Porosity: 0.375" in a 4.5" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.750"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.312" s/40 - 0.406" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5
F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Welds with reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4
F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.531"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.812" Max Individual Width: 0.125" Max Cumulative Length: 1.624" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.135" Max Individual Width: 0.094" Max Cumulative Length: 0.406" in 4.872"/w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.152" Max Size of Isolated Internal Porosity: 0.203"Max Sum of diameters of Aligned Porosity: 0.609" in a 4.872" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.218"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.102" Max Size of Isolated Internal Porosity: 0.135"Max sum of diameters of Aligned Porosity: 0.406" in a 4.872" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.812"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.312" s/80 - 0.688" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4
F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Welds with reinforcement: S/S Hole: 25 S/S Wire: 0.020 Esn. Wire: B3
F/S Hole: 20 F/S Wire: 0.016 Esn. Wire: B4Maximum allowable reinforcement: 0.156" Total of wall + reinforcement: 0.844"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.376" Max Individual Width: 0.125" Max Cumulative Length: 2.752" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.229" Max Individual Width: 0.094" Max Cumulative Length: 0.688" in 8.256" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.344"Max Sum of diameters of Aligned Porosity: 1.032" in a 8.256" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.229"Max sum of diameters of Aligned Porosity: 0.688" in a 8.256" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.000"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.312" Extra Strong - 0.500" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5
F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Welds with reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4
F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.625"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.000" Max Individual Width: 0.125" Max Cumulative Length: 2.000" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.167" Max Individual Width: 0.094" Max Cumulative Length: 0.500" in 6.0" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.188" Max Size of Isolated Internal Porosity: 0.250"Max Sum of diameters of Aligned Porosity: 0.750" in a 6.000" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.125" Max Size of Isolated Internal Porosity: 0.167"Max sum of diameters of Aligned Porosity: 0.500" in a 6.000" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.000"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.312" XX Strong - 1.00" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 25 S/S Wire: 0.020 Esn. Wire: B3
F/S Hole: 20 F/S Wire: 0.016 Esn. Wire: B4Welds with reinforcement: S/S Hole: 30 S/S Wire: 0.025 Esn. Wire: B2
F/S Hole: 25 F/S Wire: 0.020 Esn. Wire: B3Maximum allowable reinforcement: 0.156" Total of wall + reinforcement: 1.156"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 2.000" Max Individual Width: 0.125" Max Cumulative Length: 4.000" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.333" Max Individual Width: 0.094" Max Cumulative Length: 1.000" in 12.00"/w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.375"Max Sum of diameters of Aligned Porosity: 1.500" in a 12.0" length of weldMax group length of Aligned Internal Porosity: 0.500"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.5"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.250"Max sum of diameters of Aligned Porosity: 1.000" in a 12.0" length of weldMax group length of Aligned Internal Porosity: 0.333"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.0"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.312" s/120 - 1.00" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 25 S/S Wire: 0.020 Esn. Wire: B3
F/S Hole: 20 F/S Wire: 0.016 Esn. Wire: B4Welds with reinforcement: S/S Hole: 30 S/S Wire: 0.025 Esn. Wire: B2
F/S Hole: 25 F/S Wire: 0.020 Esn. Wire: B3Maximum allowable reinforcement: 0.156" Total of wall + reinforcement: 1.156"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 2.000" Max Individual Width: 0.125" Max Cumulative Length: 4.000" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.333" Max Individual Width: 0.094" Max Cumulative Length: 1.000" in 12.00"/w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.375"Max Sum of diameters of Aligned Porosity: 1.500" in a 12.0" length of weldMax group length of Aligned Internal Porosity: 0.500"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.5"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.250"Max sum of diameters of Aligned Porosity: 1.000" in a 12.0" length of weldMax group length of Aligned Internal Porosity: 0.333"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.0"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.312" s/160 - 1.312" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 30 S/S Wire: 0.025 Esn. Wire: B2
F/S Hole: 25 F/S Wire: 0.020 Esn. Wire: B3Welds with reinforcement: S/S Hole: 30 S/S Wire: 0.025 Esn. Wire: B2
F/S Hole: 25 F/S Wire: 0.020 Esn. Wire: B3Maximum allowable reinforcement: 0.188" Total of wall + reinforcement: 1.500"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 2.624" Max Individual Width: 0.125" Max Cumulative Length: 5.248" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.437" Max Individual Width: 0.094" Max Cumulative Length: 1.312" in 15.744"/w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.375"Max Sum of diameters of Aligned Porosity: 1.968" in a 15.744" length of weldMax group length of Aligned Internal Porosity: 0.656"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.5"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.250"Max sum of diameters of Aligned Porosity: 1.312" in a 15.744" length of weldMax group length of Aligned Internal Porosity: 0.437"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.0"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.316" s/10 - 0.188" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6
F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.251"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.376" Max Individual Width: 0.094" Max Cumulative Length: 0.752" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.063" Max Individual Width: 0.063" Max Cumulative Length: 0.188" in 2.256" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.016
Normal Services:
Max Size of Random Internal Porosity: 0.047" Max Size of Isolated Internal Porosity: 0.063"Max Sum of diameters of Aligned Porosity: 0.188" in a 2.256" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.376"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
Severe Cyclic:Max size of Random Internal Porosity: 0.047" Max Size of Isolated Internal Porosity: 0.063"Max sum of diameters of Aligned Porosity: 0.188" in a 2.256" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.376"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.316 " Standard - 0.375" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6
F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Welds with reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5
F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.500"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.750" Max Individual Width: 0.125" Max Cumulative Length: 1.500" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.125" Max Individual Width: 0.094" Max Cumulative Length: 0.375" in 4.500"/w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.141" Max Size of Isolated Internal Porosity: 0.188"Max Sum of diameters of Aligned Porosity: 0.563" in a 4.500" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.125"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.094" Max Size of Isolated Internal Porosity: 0.125"Max sum of diameters of Aligned Porosity: 0.375" in a 4.500" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.750"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.316" s/40 - 0.500" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5
F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Welds with reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4
F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.625"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.000" Max Individual Width: 0.125" Max Cumulative Length: 2.000" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.167" Max Individual Width: 0.094" Max Cumulative Length: 0.500" in 6.0" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.188" Max Size of Isolated Internal Porosity: 0.250"Max Sum of diameters of Aligned Porosity: 0.750" in a 6.000" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.125" Max Size of Isolated Internal Porosity: 0.167"Max sum of diameters of Aligned Porosity: 0.500" in a 6.000" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.000"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.316" Extra Strong - 0.500" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5
F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Welds with reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4
F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.625"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.000" Max Individual Width: 0.125" Max Cumulative Length: 2.000" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.167" Max Individual Width: 0.094" Max Cumulative Length: 0.500" in 6.0" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.188" Max Size of Isolated Internal Porosity: 0.250"Max Sum of diameters of Aligned Porosity: 0.750" in a 6.000" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.125" Max Size of Isolated Internal Porosity: 0.167"Max sum of diameters of Aligned Porosity: 0.500" in a 6.000" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.000"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.316" s/80 - 0.844" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 25 S/S Wire: 0.020 Esn. Wire: B3
F/S Hole: 20 F/S Wire: 0.016 Esn. Wire: B4Welds with reinforcement: S/S Hole: 25 S/S Wire: 0.020 Esn. Wire: B3
F/S Hole: 20 F/S Wire: 0.016 Esn. Wire: B4Maximum allowable reinforcement: 0.156" Total of wall + reinforcement: 1.00"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.688" Max Individual Width: 0.125" Max Cumulative Length: 3.376" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.281" Max Individual Width: 0.094" Max Cumulative Length: 0.844" in 10.128"/w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.375"Max Sum of diameters of Aligned Porosity: 1.266" in a 10.128" length of weldMax group length of Aligned Internal Porosity: 0.422"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.250"Max sum of diameters of Aligned Porosity: 0.844" in a 10.128" length of weldMax group length of Aligned Internal Porosity: 0.281"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.000"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.316" s/120 - 1.219" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 30 S/S Wire: 0.025 Esn. Wire: B2
F/S Hole: 25 F/S Wire: 0.020 Esn. Wire: B3Welds with reinforcement: S/S Hole: 30 S/S Wire: 0.025 Esn. Wire: B2
F/S Hole: 25 F/S Wire: 0.020 Esn. Wire: B3Maximum allowable reinforcement: 0.188" Total of wall + reinforcement: 1.407"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 2.438" Max Individual Width: 0.125" Max Cumulative Length: 4.876" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.406" Max Individual Width: 0.094" Max Cumulative Length: 1.219" in 14.628"/w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.375"Max Sum of diameters of Aligned Porosity: 1.829" in a 14.628" length of weldMax group length of Aligned Internal Porosity: 0.610"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.250"Max sum of diameters of Aligned Porosity: 1.219" in a 14.628" length of weldMax group length of Aligned Internal Porosity: 0.406"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.000"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.316" s/160 - 1.594" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 35 S/S Wire: 0.032 Esn. Wire: B1 or C6
F/S Hole: 30 F/S Wire: 0.025 Esn. Wire: B2Welds with reinforcement: S/S Hole: 35 S/S Wire: 0.032 Esn. Wire: B1 or C6
F/S Hole: 30 F/S Wire: 0.025 Esn. Wire: B2Maximum allowable reinforcement: 0.188" Total of wall + reinforcement: 1.782"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 3.188" Max Individual Width: 0.125" Max Cumulative Length: 6.376" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.531" Max Individual Width: 0.094" Max Cumulative Length: 1.594" in 19.128"/w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.375"Max Sum of diameters of Aligned Porosity: 2.391" in a 19.128" length of weldMax group length of Aligned Internal Porosity: 0.797"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.250"Max sum of diameters of Aligned Porosity: 1.594" in a 19.128" length of weldMax group length of Aligned Internal Porosity: 0.531"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.000"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.320" s/10 - 0.218" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6
F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.281"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.436" Max Individual Width: 0.109" Max Cumulative Length: 0.872" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.073" Max Individual Width: 0.073" Max Cumulative Length: 0.218" in 2.616" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.016
Normal Services:
Max Size of Random Internal Porosity: 0.055" Max Size of Isolated Internal Porosity: 0.073"Max Sum of diameters of Aligned Porosity: 0.218" in a 2.616" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.436"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
Severe Cyclic:Max size of Random Internal Porosity: 0.055" Max Size of Isolated Internal Porosity: 0.073"Max sum of diameters of Aligned Porosity: 0.218" in a 2.616" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.436"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.320" Standard - 0.375" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6
F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Welds with reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5
F/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.500"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.750" Max Individual Width: 0.125" Max Cumulative Length: 1.500" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.125" Max Individual Width: 0.094" Max Cumulative Length: 0.375" in 4.5" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.141" Max Size of Isolated Internal Porosity: 0.188"Max Sum of diameters of Aligned Porosity: 0.563" in a 4.5" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.125"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.094" Max Size of Isolated Internal Porosity: 0.125"Max sum of diameters of Aligned Porosity: 0.375" in a 4.5" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.750"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.320" s/40 - 0.594" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4
F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Welds with reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4
F/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5Maximum allowable reinforcement: 0.156" Total of wall + reinforcement: 0.750"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.188" Max Individual Width: 0.125" Max Cumulative Length: 2.376" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.198" Max Individual Width: 0.094" Max Cumulative Length: 0.594" in 7.128" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.223" Max Size of Isolated Internal Porosity: 0.297"Max Sum of diameters of Aligned Porosity: 0.891" in a 7.128" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.149" Max Size of Isolated Internal Porosity: 0.198"Max sum of diameters of Aligned Porosity: 0.594" in a 7.128" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.000"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.320" Extra Strong - 0.500" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5
F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Welds with reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4
F/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.625"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.000" Max Individual Width: 0.125" Max Cumulative Length: 2.000" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.167" Max Individual Width: 0.094" Max Cumulative Length: 0.500" in 6.000"/w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.188" Max Size of Isolated Internal Porosity: 0.250"Max Sum of diameters of Aligned Porosity: 0.750" in a 6.0" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.125" Max Size of Isolated Internal Porosity: 0.167"Max sum of diameters of Aligned Porosity: 0.500" in a 6.0" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.000"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.320" s/80 - 1.031" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 30 S/S Wire: 0.025 Esn. Wire: B2
F/S Hole: 25 F/S Wire: 0.020 Esn. Wire: B3Welds with reinforcement: S/S Hole: 30 S/S Wire: 0.025 Esn. Wire: B2
F/S Hole: 25 S/S Wire: 0.020 Esn. Wire: B3Maximum allowable reinforcement: 0.188" Total of wall + reinforcement: 1.219"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 2.062" Max Individual Width: 0.125" Max Cumulative Length: 4.124" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.344" Max Individual Width: 0.094" Max Cumulative Length: 1.031" in 12.372"/w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.375"Max Sum of diameters of Aligned Porosity: 1.547" in a 12.372" length of weldMax group length of Aligned Internal Porosity: 0.516"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.250"Max sum of diameters of Aligned Porosity: 1.031" in a 12.372" length of weldMax group length of Aligned Internal Porosity: 0.344"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.000"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.320" s/120 - 1.500" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 30 S/S Wire: 0.025 Esn. Wire: B2
F/S Hole: 25 F/S Wire: 0.020 Esn. Wire: B3Welds with reinforcement: S/S Hole: 35 S/S Wire: 0.032 Esn. Wire: B1 or C6
F/S Hole: 30 S/S Wire: 0.025 Esn. Wire: B2Maximum allowable reinforcement: 0.188" Total of wall + reinforcement: 1.688"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 3.00" Max Individual Width: 0.125" Max Cumulative Length: 6" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.500" Max Individual Width: 0.094" Max Cumulative Length: 1.500" in 18.00"/w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.375"Max Sum of diameters of Aligned Porosity: 2.250" in a 18.00" length of weldMax group length of Aligned Internal Porosity: 0.750"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.250"Max sum of diameters of Aligned Porosity: 1.500" in a 18.00" length of weldMax group length of Aligned Internal Porosity: 0.500"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.000"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.320" s/160 - 1.969" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 35 S/S Wire: 0.032 Esn. Wire: B1 or C6
F/S Hole: 30 F/S Wire: 0.025 Esn. Wire: B2Welds with reinforcement: S/S Hole: 40 S/S Wire: 0.040 Esn. Wire: C5
F/S Hole: 35 S/S Wire: 0.032 Esn. Wire: B1 or C6Maximum allowable reinforcement: 0.188" Total of wall + reinforcement: 2.157"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 3.938" Max Individual Width: 0.125" Max Cumulative Length: 7.876" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.656" Max Individual Width: 0.094" Max Cumulative Length: 1.696" in 23.628"/w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.375"Max Sum of diameters of Aligned Porosity: 2.954" in a 23.628" length of weldMax group length of Aligned Internal Porosity: 0.985"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.250"Max sum of diameters of Aligned Porosity: 1.969" in a 23.628" length of weldMax group length of Aligned Internal Porosity: 0.656"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.000"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.324" s/10 - .250" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2
F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6
F/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.313"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.500" Max Individual Width: 0.125" Max Cumulative Length: 1.00" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.083" Max Individual Width: 0.083" Max Cumulative Length: 0.250" in 3.00" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.016
Normal Services:
Max Size of Random Internal Porosity: 0.063" Max Size of Isolated Internal Porosity: 0.083"Max Sum of diameters of Aligned Porosity: 0.250" in a 3.000" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
Severe Cyclic:Max size of Random Internal Porosity: 0.063" Max Size of Isolated Internal Porosity: 0.083"Max sum of diameters of Aligned Porosity: 0.250" in a 3.000" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.324" s/40 - 0.688" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4
F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Welds with reinforcement: S/S Hole: 25 S/S Wire: 0.020 Esn. Wire: B3
F/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4Maximum allowable reinforcement: 0.156" Total of wall + reinforcement: 0.844"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.376" Max Individual Width: 0.125" Max Cumulative Length: 2.752" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.229" Max Individual Width: 0.094 Max Cumulative Length: 0.688" in 8.256"/w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.344"Max Sum of diameters of Aligned Porosity: 1.032" in a 8.256" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.229"Max sum of diameters of Aligned Porosity: 0.688" in a 8.256" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.000"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.324" Standard - 0.375" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6
F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Welds with reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5
F/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.500"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.750" Max Individual Width: 0.125" Max Cumulative Length: 1.500" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.125" Max Individual Width: 0.094 Max Cumulative Length: 0.375" in 4.5" of w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.141" Max Size of Isolated Internal Porosity: 0.188"Max Sum of diameters of Aligned Porosity: 0.563" in a 4.500" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.125"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.094" Max Size of Isolated Internal Porosity: 0.125"Max sum of diameters of Aligned Porosity: 0.375" in a 4.500" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.750"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
e
s
B31.324" Extra Strong - 0.500" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforc ` S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5
F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Welds with reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4
F/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.625"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.000" Max Individual Width: 0.125" Max Cumulative Length: 2.000" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.167" Max Individual Width: 0.094 Max Cumulative Length: 0.500" in 6.000"/w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.188" Max Size of Isolated Internal Porosity: 0.250"Max Sum of diameters of Aligned Porosity: 0.750" in a 6.000" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.125" Max Size of Isolated Internal Porosity: 0.167"Max sum of diameters of Aligned Porosity: 0.500" in a 6.000" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.000"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.324" s/80 - 1.218" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 30 S/S Wire: 0.025 Esn. Wire: B2
F/S Hole: 25 F/S Wire: 0.020 Esn. Wire: B3Welds with reinforcement: S/S Hole: 30 S/S Wire: 0.025 Esn. Wire: B2
F/S Hole: 25 S/S Wire: 0.020 Esn. Wire: B3Maximum allowable reinforcement: 0.188" Total of wall + reinforcement: 1.406"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 2.438" Max Individual Width: 0.125" Max Cumulative Length: 4.876" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.406" Max Individual Width: 0.094 Max Cumulative Length: 1.219" in 14.628"/w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.375"Max Sum of diameters of Aligned Porosity: 1.829" in a 14.628" length of weldMax group length of Aligned Internal Porosity: 0.610"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.250"Max sum of diameters of Aligned Porosity: 1.219" in a 14.628" length of weldMax group length of Aligned Internal Porosity: 0.406"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.000"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.324" s/160 - 2.344" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 40 S/S Wire: 0.040 Esn. Wire: C5
F/S Hole: 35 F/S Wire: 0.032 Esn. Wire: B1 or C6Welds with reinforcement: S/S Hole: 50 S/S Wire: 0.050 Esn. Wire: C4
F/S Hole: 40 S/S Wire: 0.040 Esn. Wire: C5Maximum allowable reinforcement: 0.188" Total of wall + reinforcement: 2.532"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 4.688" Max Individual Width: 0.125" Max Cumulative Length: 9.376" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.781" Max Individual Width: 0.094 Max Cumulative Length: 2.344" in 28.128"/w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.563"Max Sum of diameters of Aligned Porosity: 3.516" in a 28.128" length of weldMax group length of Aligned Internal Porosity: 1.125"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.375"Max sum of diameters of Aligned Porosity: 2.344" in a 28.128" length of weldMax group length of Aligned Internal Porosity: 0.750"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.000"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.336" s/10 - 0.312" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6
F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Welds with reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5
F/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.437"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.624" Max Individual Width: 0.125" Max Cumulative Length: 1.248" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.104" Max Individual Width: 0.094" Max Cumulative Length: 0.312" in 3.744"/w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.117" Max Size of Isolated Internal Porosity: 0.156"Max Sum of diameters of Aligned Porosity: 0.468" in a 3.744" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.936"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.078" Max Size of Isolated Internal Porosity: 0.104"Max sum of diameters of Aligned Porosity: 0.312" in a 3.744" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.624"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.336" Standard - 0.375" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6
F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Welds with reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5
F/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.500"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.750" Max Individual Width: 0.125" Max Cumulative Length: 1.500" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.125" Max Individual Width: 0.094" Max Cumulative Length: 0.375" in 4.500"/w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.141" Max Size of Isolated Internal Porosity: 0.188"Max Sum of diameters of Aligned Porosity: 0.563" in a 4.500" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.125"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.094" Max Size of Isolated Internal Porosity: 0.125"Max sum of diameters of Aligned Porosity: 0.375" in a 4.500" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.750"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.336" Extra Strong - 0.500" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5
F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Welds with reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4
F/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.625"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.000" Max Individual Width: 0.125" Max Cumulative Length: 2.000" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.167" Max Individual Width: 0.094" Max Cumulative Length: 0.500" in 6.000"/w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.188" Max Size of Isolated Internal Porosity: 0.250"Max Sum of diameters of Aligned Porosity: 0.750" in a 6.000" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.125" Max Size of Isolated Internal Porosity: 0.167"Max sum of diameters of Aligned Porosity: 0.500" in a 6.000" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.000"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
s
B31.336" s/40 - 0.750" Wall
PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4
F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Welds with reinforcement: S/S Hole: 25 S/S Wire: 0.020 Esn. Wire: B3
F/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4Maximum allowable reinforcement: 0.156" Total of wall + reinforcement: 0.906"CRACKS AND LACK OF FUSIONNone Allowed
INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed
Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed
SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.500" Max Individual Width: 0.125" Max Cumulative Length: 3.00" in 6" of weld
Severe Cyclic ConditionsMax Individual Length: 0.250" Max Individual Width: 0.094" Max Cumulative Length: 0.750" in 9.00"/w
UNDERCUTTINGNormal Services: Not a factor for normal service
Severe Cyclic: Zero allowed
CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall
INTERNAL POROSITYRelevant Indication: 0.031
Normal Services:
Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.375"Max Sum of diameters of Aligned Porosity: 1.125" in a 9.00" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"
Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.250"Max sum of diameters of Aligned Porosity: 0.750" in a 9.00" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.000"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"
Related Documents
