- OLIVIER SURVEY GROUP (Pty) Ltd. Government Approved Inspection Authority Reg..No. 95/04782/07 WELDING PROCEDURE SPECIFICATION No.: WPS 24269 Rev.: 0 Company Name: ELITSHA HOLDINGS Location: PORT E;LIZABETH Date: 23/11/2004 Welding Process( es): GTA W Welding Type: MANUAL Supporting PQR no.: PQR24269 JOINTS DETAILS Joint Design: SINGLE VEE GROOVE - PIPE JOINT DESIGN Backing): WELD METAL Cd? ~ 70 DEG /' \ I "\ f \ ~ Run seauence PROCESS VOLTS AMPS wras 1 GTAW 32-34 55-75 ER316L -I 2 GTAW 32-34 60-90 ER316L 2-3mm BASE METALS 316L Stainless Pipe 2 inch Seh; 40 P-no.: 8 Group No.: 1 to P-no:: 8 Group No.: 1 Specification type and grade: SA 312gr. 316 L to SA 312· gr. 316 L Base Metal Thickness: Groove: 4.0 mm BaseMetal range qualified: Groove: 1.6 - 8.0 mm Fillet: ALL FILLER METALS Spec. No. (SFA): 5.9 AWS No. (Class): ER 316 L F-no.: 6 A-no.: 8 Size of Filler Metals: 1.6 DlD~ Electrode-Flux (Class): N/A Trade Name: N/A Consumable insert: TUNGSTEN Travel Speed (Range): MANUAL POSITIONS POSTWELD HEAT TREATMENT Position(s) ofGroove:6G Temperature Range: N/A Welding Progression: Vertical up Time Range: N/A PREHEAT SHIELDING GAS Preheat Temp. Min: 5 Deg. C Gastes) (Mixture) Flow Rate Interpass Temp. Max: 175 Deg. C Shielding ARGON 99.99% 10Umin Preheat Maintenance: N/A Backing ARGON 99.99% 10Umin ELECTRICAL CHARACTERISTICS Current AC or DC: DC Polarity: ELECfRODE NEGATIVE Amps (Range): 55 - 90A Volts (Range): 32·34V Electrode Wire feed speed range: MANUAL . TECHNIQUE String or Weave Bead: COMBINATION . Orifice or Gas Cup Size: 12mm Initial and Interpass Cleaning: BRUSHING & GRINDING Method of Back Gouging: NI A Contact Tube to Work Distance: As required Multiple or Single Pass; Multiple We hereby certify that the statements in this certificate are correct and that the test coupons we prepared, welded and tested in accordance with the requirements oC: ASME IX 2001 "",03 ForELITSHAHOeJN~: , .,-',' ~.;-,--, >'--.::...< ('~~"'-) Signature:./..2,~I~ (I<~~/' /rl..f/,'I.f6\J ;!._,,,.." . ....,... ..- • ..~ ~s~;~ 69~;~ ~ol j~~iO~:O~~I~ABETH ro BOX21S3NO Signature: Date: 06/1212004 .t h 6056crl¥vfffiiC&'\n~, ~817162 "'. ;~'II_;:I :'\I~I:"O'~'O('IliSPPCliu!, f\ul.!lorit.y I::NGII',lEEnING c= ll'ISI"-'ECTc)n j--"-" :.;:: -,:.U·:'ii "',:.;~ Sf\i\/Vr ASHTLVL J[ ~:J- I '.j "}sj (!A ft,1 HI fnrvtAN .- - ...••.•... -•...