PagePAGE3ofPagePAGE3of3FormNo.:ATF-F002-5Rev.0WELDINGPROCEDURESPECIFICAITION(WPS) [ ]PREQULIFIED QUALIFIEDBYTESTING OrPROCEDUREQUALIFICATIONRECORDS(PQR) [x]CompanyName ShanghaiFuyeSteelStructureCo.,Ltdprocess SAWSupportingPQRNo.s JOINTDESIGNUSEDType ButtSingle [X] DoubleWeld[ Backing: [ ]No[X]Backingmaterial N/ARootopening 0-1 RootFaceDimension 1Grooveangle 60o Radius(J-U) Backinggouging: Yes[X]No[ ] Method ArcgougingBASEMETALSMaterialSpec. Typeor(grade)Thickness: Groove 25mm Fillet Diameter(Pipe) FILLERMETALSAWSSpecification AWS AWSClassification EM12KSHIEDINGFlux F6AZ-EL12 Gas Composition Electrode-Flux(Class) FlowRate GasCupSize PREHEATPreheatTemp.,Min InterpassTemp.,Min 0℃ Max 250℃

Identification# PQR-Revision 0 Date Authorizedby DateType[X] Semi-automatic[ ]Machine [ ] Automatic [ ]POSITIONPositionofGroove 1G Fillet progression:UP[ ] Down[ ]ELECTRICALCHARACTERISTICSTransferMode(GMAW) Short-circuiting[ ]Globular[ ] Spray[ ]Current:AC[ ] DCEP[X] DCEN[ ] Pulsed[ OtherTungstenElectrode(GTAW)Size:Type:TechniqueStringerorWeaveBead: Multi-passorSinglePass(perside) NumberofElectrodes 1ElectrodeSpacing Longitudinal Lateral Angle ContactTubetoWorkDistance Peening NoneInterpassCleaning GrindingPOSTWELDHEATTREATMENTTemp. Time Passor

Process

FillerMetals

Current(Amps)or

TravelSpeed

JointDetailsLayer(s)

Class

Dia.speed1speed1GMAWER70S-61.2DC+280-300A28-3110-152-6SAWEM12K4DC+530-650A28-3625-307-11SAWEM12K4DC+530-660A31-3820-2512-16SAWEM12K4DC+530-660A30-3820-25

Type&Polarity

wirefeed

(V)

(cm/mn)600T1 T2BackGougeProcedurequalificationrecord Spec.Spec.No.SpecimenDimensionsStrengthFailureCharacterandLocation(W)mm(T)mmAreamm2NN/mm2070406040-125.1824.20609.4283465WELD070406040-225.2024.18609.3275450HAZGuidedBendTestsTypeandFigureNo.TypeandFigureNo.SidebendSidebendSidebendSidebend070406040-C4ResultPassPassPassPassToughnessTestsNotchNotchImpactValuesLateralDropWeightSpecimentNo.NotchLocationVCJ%ShearMilsBreakNoBreakCUPONSFilletWeldTestResult-Satisfactory:Result-Satisfactory: No PenetrationintoParentMetal No TypeandCharacterofFailure: Macro-Results OtherTestsTypeofTest:TypeofTest:RT AcceptableRecordNo.:DepositAnalysis:HardnessTestvalue: RecordOther:Welder’sWelder’sName: ZhaoWelder’sStamp:Testconductedby: ShanghaiInstallationEngineeringCo.,Ltd.LaboratoryRecordNo.: 704009BWPer LinBinggaoWecertifythatthestatementsinthisrecordarecorrectandthatthetestweldswereprepared,weldedandtestedinaccordancew