WPS GTAW Stainless Steel

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  • DOC. REF WPS NO: Rev:00

    Applicable Codes: ASME SEC IX 2010 Summary: GTAW / 6G / A 312 / 25.4mm OD Page No.:

    Automatic, Manual, or Semi Auto)JOINT DESIGN(QW-402): Joint Details

    Single V GrooveSingle bevel Branch

    37.50 2.50.Socket

    Backing(Yes/No): NOBacking Material:

    MetalNonfusing MetalNonmetallicOther

    Note: Applicable to all Groove configurations BASE METAL(QW-403):

    P.No. 8 Group No. 1,2,3,4 To P.No. 8 Group No. 1, 2, 3,4ORSpecification,type, and grade : A 312 Gr.TP316L and Equivalentto Specification type, and grade : A 312 Gr.TP316L and EquivalentOR

    WELDING PROCEDURE SPECIFICATION

    Welding Process(es): GTAW Type: Manual

    1.6mm0.8

    2-4 mm

    PQR 2" Dia-5.54mm THK

    ORChemical Analysis,and Mechanical properties : NAto Chemical Analysis,and Mechanical properties : NAThickness Range Qualified:

    Base Metal: Groove- 1.5 to 11.08 mm Fillet - AllBase Metal Range:

    Base metal Qualified: P.No.: 8 or Equivalent, ASTM A312 Gr.TP316L or Equivalent

    Others: Pipe Dia. Range: Groove- All Fillet - All

    FILLER METALS(QW-404):

    GrooveFillet

    SIGN.

    NAME

    DESN.

    DATE:

    PREPARED BY REVIEWED BY APPROVED BY

    Flux Trade Name NAConsumable Insert NABrand ESAB - OK 16.30

    Weld Metal 5.54 mm + Reinforcement

    Thickness Range

    11.08 mmAll

    Electrode Flux (Class) NA

    F.No. 6A.No. 8Size of Filler Metals 2 / 2.4 mm dia

    Root + OthersSpec. No.(SFA) SFA - 5.9AWS No.(Class) ER 316L

  • DOC. REF WPS NO: Rev:00

    Applicable Codes: ASME SEC IX 2010 Summary: GTAW / 6G / A 312 / 25.4mm OD Page No.:

    WELDING PROCEDURE SPECIFICATION

    POSITIONS(QW-405): POST WELD HEAT TREATMENT(QW-407): Position of Groove - 6G & ALL Heating Rate - NAWelding Progression - UPHIL Holding Temperature Range - NAPosition of Fillet - All Holding Time Range - NAOthers Cooling Rate - NA

    Others -

    PREHEAT(QW-406): GAS(QW-408): Gas(es) %Comp. of Flow Rate

    Preheat Temperature(Min.) -100 C Min Shielding ARGON 99.995 % 8 to 15 LPMInterpass Temperature(Max.) - 1500C Max Trailing NA NA NAPreheat Maintenance - Yes Backing ARGON 99.995 % 8 to 15 LPM

    Gas : SingleELECTRICAL CHARACTERISTICS(QW-409):

    Tungeston Electrode Size and Type - 2.4 mm and 2% ThoriatedMode of Metal transfer for GMAW - NAElectrode/Wire feed speed range - NA

    TECHNIQUE(QW-410):

    Percent composition

    Current AC or DC: DC Polarity : Straight for GTAW (Negative-DCEN)Ampere Range: 75 - 120 Amps Voltage Range: 09 - 15 Volts

    TECHNIQUE(QW-410):Stringe or Weave Bead - String / Weaving shall not exceed 2.5 times of electrode dia.Orifice or Gas Cup Size - 5 -8 mm ODInitial and Interpass Cleaning(Brushing,Grinding,etc.) - Grinding & Brushing (Use Stainless steel special tools)Method of Back Gouging - NAOscillation - NAContact Tube to Work Distance - NAMultiple or Single Pass(per side): MultipleMultiple or Single Electrode - SingleTravel Speed Range - 0.8 - 1.5 mm/secPeening - NAClosed to out chamber : NAUse of thermal Process : NILOthers -

    Root+ Hot GTAW ER 316L 2 / 2.4 mm DCEN 75 - 100 0.8 - 1.5 mm/secFiller/

    Capping GTAW ER 316L 2 / 2.4 mm DCEN 95-120 0.8 - 1.5 mm/sec

    SIGN.

    NAME

    DESN.

    DATE:

    09- 15

    PREPARED BY REVIEWED BY APPROVED BY

    REMARKSClass Diameter mm

    Type & Polarity

    Ampere Range(A)

    09 - 15

    Weld Layer Weld Process

    Filler Metal CurrentVoltage

    Range(V)Travel Speed

    Range