WELDING PROCEDURE SPECIFICATION (AWS D1.1 2008)

Company name: POSCO-LILAMA E&CWelding Process (es):      Supporting PQR No.(s):      

WPS No.:      Revision No.:    Date:       By:      Authorized by:       Date:      Type: Manual Semi-Automatic

Machine Automatic JOINT DESIGN USEType:      Single: Double weld:Backing: Yes No

POSITIONPosition of Groove:       Fillet:      Vertical Progression: Up Down

Backing Material :      Root Opening       Root face Dimension 2 mm ELECTRICAL CHARACTERISTICS

Transfer Mode(GMAW): Short-Circuiting Globular Spray Current: AC DCEP DCEN Pulsed Power Source: CC CVOther:      Tungsten electrode (GTAW) Size :       Type:      

Groove Angle     0 Radius: (J-U)      Back Gouging: Yes No Method      

BASE METALSMaterial Spec.      Type or Grade       to:      Thickness: Groove:       Fillet:       Diameter (Pipe) :      

TECHNIQUEStringer or Weave Bead :      Multi-pass or Single pass(per side):      Number of Electrodes :      Electrode Spacing: Longitudinal :       Lateral:       Angle :      Contract Tube to Work Distance :      Peening :       Interpass Cleaning:     

FILLER METALSAWS Specification:      AWS Classification:      

SHIELDINGFlux:      

Electrode-Flux (Class) :      

Gas :      Composition :      Flow Rate :      Gas Cup Size :      

PREHEATPreheat Temp., Min.      0

Inter-pass Temp: Min.      0 Max:      0

POST-WELD HEAT TREATMENTTemp:      Time:      

WELDING PROCEDUREPass or Weld

Layer(s)

Process

Filler Metals CurrentVolts(V)

Travel Speed

(Cm/Min)Class Diam.(mm)

Type & Polarity

Amps (A)

                                                                                              

BACK SIDE                                                                                                                                             

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WELDING PROCEDURE SPECIFICATION (    )

JOINT DETAIL (Unit: mm)

Remark:      

Prepared Reviewed: Approved :

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