管道焊接施工程序pipeline welding procedu

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1、管道焊接施工程序PipelineWeldingProcedureCONTENT1.SCOPE……………………………………………………………………………………………......12.PURPOSE…………………………………………………………………………………………….13.REFERENCES……………………………………………………………………………………….14.WELDINGPROCESSFLOWCHART……………………………………………………………...15.REQUIREMENTS…………………………………………………………………………………….26.WEL

2、DINGDOCUMENTSANDRECORDS……………………………………………………….6ATTACHMENTUSEFULFORMS………………………………………………………………………………………..71.SCOPE范围Thisprocedureincludestherequirementsfortheconstructionandqualitycontrolofthepipelinewelding.ItisapplicabletoassessthequalificationofwelderswhoperformtheweldingofFeedstockStor

3、ageTanksPipelineofXX.本程序包括对管道焊接的施工要求和质量控制。适用于XX石化原料油罐工程的焊接工作。Thematerialofpipeiscarbonsteel,includingA106GrBand20#.管的材质为碳钢A106GrB和20#钢等。2.PURPOSE目的Theprocedureprovidessomeweldingprocessandweldingrequirements,toensureweldingqualityofpipetomeetrequirementsofcontractandappliedspecificatio

4、n/standardtosatisfytheowner.本程序为确保管线的焊接施工质量符合合同、适用规范和标准的要求，使业主满意，特制订焊接工艺和焊接要求。3.REFERENCES参考3.1“Codeforconstructionandacceptanceoffieldequipment,industrialpipeweldingengineering”GB50236-98《现场设备、工业管道焊接工程施工及验收规范》GB50236-983.2“weldingevaluationforsteelpressurevessel”JB4708—2000《钢制压力容器焊接工艺

5、评定》JB4708—20003.3“WeldingandBrazingQualifications”ASMEIX《焊接和钎焊评定》ASME第IX卷3.4“RequirementforPipelineconstructioninChemicalPlantandOilRefinery”ASME31.3《石油化工厂管道施工要求》ASME31.33.5PMCRelevantWeldingProceduresPMC相关的焊接文件:XX25“WeldingProgram”焊接计划;XX38“WeldingControl”焊接控制。4.WELDINGPROCESSFLOWCHAR

6、T焊接工艺流程⑴ReviewDrawing审查图纸→⑵PQR工艺评定→⑶WorkoutWPS制定WPS→⑷WelderQualification焊工考核→⑸WeldingPreparation焊接准备→⑹Fitting/TackWelding组对/点焊→⑺Welding焊接→⑻VisualInspection目测检查→⑼PWHT焊后热处理→⑽NDT(repair)→⑾FinalAcceptance最终验收。Ifanyweldisnotacceptable,step⑺,⑻,⑼,⑽shallbefollowedagain.如果焊缝发现缺陷，重复步骤⑺,⑻,⑼,⑽。5.R

7、EQUIREMENTS要求5.1PreparationpriortoWelding焊前准备5.1.1WeldingMethodSelection焊接方法选择ItshalladoptGTAWtoweldingofrootpassandSMAWtoweldingoffillingandcappingpassforpipelinewithadiametermorethan2”.直径大于2”的管用钨极氩弧焊打底，手工电弧焊填充、盖面。ItshalladoptGTAWtoweldingofrootandcappingpassforpipelinewithadiameter