WPS-ASME-009-1 Rev1 [PDF]

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WELDING PROCEDURE SPECIFICATION(WPS) (ASME SEC. IX) Project : South Pars Gas Field Development(Phases 9&10)



Date : 30 DEC,05



WPS No. CON-WPS-ASME-009-1 Rev. 1 PQR No. CON-PQR-ASME-016 Rev. 1 Welding Process GTAW-SMAW Types Manual □ Semi-Automatic □ Automatic BASE METALS (QW-403) P-No. 1 G-No. 1 to P-No. 1 G-No. 1 Thickness Range Diameter Range



16.0≤ t ≤ 47.6 mm All



FILLER METALS (QW-404) F-No. 6&4 A-No. Spec. No.(SFA) AWS No.(Class) Size of Filler Metal



1



SFA : 5.28 & 5.5 ER-80S-Ni1 & E 7018G 2.4,3.2, 4.0



Deposit Thickness Qualified



Trade Name



JOINTS (QW-402) Joints Design Single V Butt Joint ■ Yes for SM Backing ■ No for GT Backing Material or Type GTAW root passes For LTCS+NACE



GTAW: Up to 10.0 mm SMAW: Up to 37.6 mm OK Tigrod 13.24 Ø 2.4 OK 48.08 Ø 3.2&4.0



POSITION (QW-405) Position Welding Progression



ELECTRICAL CHARACTERISTICS (QW-409) Current AC or DC DC Polarity, Amps & Volts(Range) DCSP & DCRP Tungsten Electrode Size & Type 1.6 ~ 2.4 mm & EWTh-2 Transfer Mode N/A



ALL Up Hill



PREHEATING & INTERPASS TEMP. (QW-406) Preheat Temp. Min. Interpass Temp. Max. Preheat Maintenance



75 º C,100º C 198 º C N/A



Wire Feed Speed



Note (1)



POST WELD HEAT TREATMENT (QW-407) Temperature Range ( º C ) 610 ±10 °C Time Range Heating Rate ( º C ) Cooling Rate ( º C )



1/hr for 25mmNote(2) Max.220˚C / hr/inch Max.275˚C / hr/inch



N/A



TECHNIQUE (QW-410) String or Weave Bead Cleaning Method Multi or Single Pass/side



Both(Note3) Grinding & Brushing Multiple



Single or Multiple Electrodes



Single



GAS (QW-408) Percent Composition Shielding Trailing



Gas Argon N/A



Mixture 99.99% N/A



Flow Rate(l/min) (9 ~12 ) N/A



Backing



N/A



N/A



N/A



ELECTRODE Weld Layers



Welding Process



1st 2 nd



GTAW GTAW



Filling Cap



SMAW SMAW



Note :



Filler Metal Class Dia(mm) ER 80S-Ni1 2.4 ER 80S-Ni1 2.4 E7018G E7018G



Ø3.2&4.0



3.2



Current Type Polar. Amp Range(A) DC SP 140 ~ 160 DC SP 180 ~ 210 DCRP DCRP



120 ~ 180 110 ~ 130



Volt Range(V)



Travel Speed Range(cm/min)



Others



10 ~ 12 11 ~ 13



6~8 9~ 12



Heat Input ≥ 13 Kj/cm



21 ~ 28 20 ~ 24



8 ~ 10 9 ~ 10



≤ 30.2 Kj/cm



1- When wall thickness is 1"over 2- For over 1" add 2.4 minute/1mm 3- Oscillation for weave bead is < 3 time of OD electrode



Name Signature Date SUBCONTRACTOR Page 1



of



CONTRACTOR 1



TPA/COMPANY