焊接工艺评定GMAW-2G Q235B 070406035

PagePAGE3ofPagePAGE3of3FormNo.:Rev.0WELDINGPROCEDURESPECIFICAITION(WPS) Yes[ ]PREQULIFIED QUALIFIEDBYTESTING OrPROCEDUREQUALIFICATIONRECORDS(PQR) Yes[x]CompanyName ShanghaiFuyeSteelStructureCo.,Ltd.Weldingprocess GMAWSupportingPQRNo.s JOINTDESIGNUSEDType ButtSingle [X] DoubleWeld[ Backing: Yes[ ]No[X]Backingmaterial N/ARootopening 3 RootFaceDimension 1Grooveangle 60º Radius(J-U) Backinggouging: Yes[X]No[ ] Method ArcgougingBASEMETALSMaterialSpec. Q235BTypeor(grade) Thickness: Groove 25mm Fillet Diameter(Pipe) FILLERMETALSAWSSpecification AWS AWSClassification ER70S-6SHIEDINGFlux Gas Ar+CO

Identification# PQR-Revision 0 Date Authorizedby DateType[ ] Semi-automatic[X]Machine [ ] Automatic [ ]POSITIONPositionofGroove 2G Fillet Verticalprogression:UP[ ] Down[ ]ELECTRICALCHARACTERISTICSTransferMode(GMAW) Short-circuiting[ ]Globular[X] Spray[ ]Current:AC[ ] DCEP[X] DCEN[ ] Pulsed[ OtherTungstenElectrode(GTAW)Size:Type:TechniqueStringerorWeaveBead: WeaveBeadMulti-passorSinglePass(perside) NumberofElectrodes 1ElectrodeSpacing Longitudinal Lateral Angle ContactTubetoWorkDistance 10-25mm2 2 Peening NoneComposition Electrode-Flux(Class) FlowRate 17L/MinGasCupSize 25mmPREHEATPreheatTemp.,Min InterpassTemp.,Min 200℃ Max 250℃

InterpassCleaning WirebrushPOSTWELDHEATTREATMENTTemp. Time PassorLayer(s)

Process

FillerMetalsClass Diam.

Type&Polarity

Current(Amps)orwirefeed

speed1GMAWspeed1GMAWER70S-61.2DC+85-16019-2810-152-4GMAWER70S-61.2DC+90-18020-3010-155-7GMAWER70S-61.2DC+95-18520-3010-158-9GMAWER70S-61.2DC+120-13018-2410-15

TravelSpeed(cm/mn)

JointDetails600T1 T2BackGougeFailureCharacterSpec.No.SpecimenDimensionsTensileStrengthProcedurequalificationFailureCharacterSpec.No.SpecimenDimensionsTensileStrengthandLocation(W)mm(T)mmAreamm2NN/mm20702559-5-1-120.4825.10232450WELD0702559-5-1-220.4025.52233450WELDGuidedBendTestsTypeandFigureNo.TypeandFigureNo.Sidebend 0702559-5-2-1Sidebend 0702559-5-2-2Sidebend 0702559-5-2-3Sidebend 0702559-5-2-4ResultPassPassPassPassNotchTypeTestTemp.ImpactNotchTypeTestTemp.ImpactValuesLateralExp.DropWeightSpecimentNo.NotchLocationVCJ%ShearMilsBreakNoBreakTESTCUPONSDIMENSIONS:Result-Satisfactory: Yes Result-Satisfactory: Yes No PenetrationintoParentMetal Yes No TypeandCharacterofFailure: Macro-Results OtherTestsTypeofTest:TypeofTest:RT AcceptableRecordNo.:07E0426RTDepositAnalysis:HardnessTestvalue: RecordOther:Welder’sWelder’sName: ZhengYubaoWelder’sStamp:Testconductedby: ShanghaiBaoyeEngineeringTechnologyCorporationtesting&inspectionstationLaboratoryRecordNo.:07A0151HJPerWecertifythatthestatementsinthisrecordarecorrectandthatthetestweldswereprepared,weldedandtestedinacco