WELDING PROCEDURE SPECIFICATION NO. 1/8-32-1 FOR GAS TUNGSTEN ARC WELDING (GTAW) AND SHIELDED METAL ARC WELDING (SMAW) OF CARBON STEEL PIPE WITH STAINLESS STEEL CLADDING USING ER317L and E317L-15 or -16 FILLER METALS THIS DOCUMENT IS THE PROPERTY OF _____________________ __________ (Company) Jointly Developed With The NATIONAL CERTIFIED PIPE WELDING BUREAU 1385 Piccard Drive Rockville, MD 20850
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Filler Metals and Electrodes (QW-404) Root and Fill Fill
Specification Number: SFA 5.9* SFA5.5
AWS Classification: ER317L E317L-15 or
F-number: 6 5
A-Number: N/A N/A
Maximum Weld Metal Thickness:
Grooves: 0.40” 0.70”
Fillets: None None
Maximum Bead thickness: 1/8” 1/8”
Supplemental Filler Metal: N/A N/A
Consumable Insert: Optional* N/APulsed Power Supply: Optional Not permitte
Penetration-enhancing Flux: Not Permitted N/A
* Consumable Inserts conforming SFA5.30 Class 3, Classification IN317
may also be used.
Welding Procedure Specification (WPS)
Joints (QW-402)
Joint Design: Single V, U or J shown on the other side and repairs, build-up
Backing: Optional for GTAW, Required for SMAW Backing or Retainer type: Non
Member Company Name:
WPS Number 1/8-32-1 (clad pipe) Revision 1 Date issued: 11-13-0
Welding Process: Manual GTAW and SMAW Supporting PQRs: 040
Preheat (QW-406)
Minimum metal temp.: 50° F
Interpass Temp.(Max): 350° F
Preheat Maintenance: None.
Gas (QW-408)
Shielding Gas: Argon, 30 to 40 CFH
Backing Gas: Argon, 15 to 40 CFH
Trailing Shield: None
Positions (QW-405)
Positions permitted: All
Progression when in Vertical: Uphill
Postweld Heat Treatment (QW-407)
Temperature: None
Min. Holding Time: N/A
Weld Electrode or Filler Current Travel Speed* Other
Layer Process Class Diameter Type Polarity Volts Current (a) (ipm)
Root GTAW ER317L 3/32, 1/8 DC EN (str.) N/A 70 to 115 1 to 2 Higher amperage
Fill GTAW ER317L 1/8, 5/32 DC EN (str.) N/A 100 to160 2 to 4 permitted when
insert is used
Fill SMAW E317L-15 3/32 DC EP (rev.) N/A 70 to 90 2 to 4
SMAW or 1/8 DC EP (rev.) N/A 80 to 110 2 to 4 *Values are
SMAW E317L-16 5/32 DC EP (rev.) N/A 120 to 160 2 to 6 recommended on
Technique (QW-410)
Tungsten Size and Type: 3/32, 1/8 EWTh-2,EWLa or EWCe Initial Cleaning: Remove grease or oil with solvent.
Shielding Gas Cup Size: #4 (1/4” ID) to #12 (3/4” ID) Remove cutting oxide by grinding.Single or Multiple Pass per Side: Multiple Interpass Cleaning: Remove slag with slag hammer, grinder or
Single or Multiple electrodes: Single wire brush.
Contact-tube-to-work distance (stickout): N/A Peening: Not permitted
Backgouging: Grinding or carbon arc followed by grinding Other: Keep weld beads slightly convex to avoid cracking.
Repair Method: Grinding. Backwelding is permitted.
Stringer or Weave Bead: Either, but keep any weave small.
The undersigned contractor, a member of the National Certified Pipe welding Bureau, hereby adopts this jointly developed procedure as its
Welding Procedure Specification (WPS) and certifies that this procedure has been qualified as shown on the attached Procedure Qualification
Records (PQRs).
Company:
B : Date: NCPWB W-482/5-02 WPS 1/8-32-
Electrical Characteristics (QW-409) and Related Matters