长输管道焊接工艺评定标准分析及建议

1,2,3(11,230031;21,100000;31,313000):ASMEB3118,SY/T41031995,,ASMEJB4708,,GB50251,:;:T-65;TQ05518+1:A:1001-4837(2003)07-0001-05AnalysisandSuggestiononWeldingProcedureQualificationStandardforLongDistanceGasTransmissionPipelineGEZhao-wen1,ZHENGJun2,XUWei-rong3(11HefeiGeneralMachineryResearchInstitute,Hefei230031,China;21ChinaNationalChemicalEngineering12thConstructionCompany,Beijing100000,China;31HuzhouInspectionCenterofSpecialEquipment,Huzhou313000,China)Abstract:ThroughanalysisofASMEB31.8Gastransmissionanddistributionpipingsystems,wediscoveredthattheattacktoughnesshadnotbeenconsideredinweldingprocedurequalificationofSY/T41031995Weldingandacceptancestandardforsteelpipingsandpipelines.SoSY/T41031995isntapplicabletothelongdistancegastransmissionpipeline.Comparedwiththeweldingprocedurequalificationstandardwhichusedinpressurepipeline,weconsideredthattheJB4708whichreferredtoVol.9ofASMEhavesomeadvan2tagesofscienceandreasonable.IfclauseoflongdistancegastransmissionpipelinesmateralisaddedtotheJB4708,theJB4708willconformtothestipulationofGB50521Designcodeforgastransmissionpipelineengi2neeringanditwillbeusedinweldingprocedurequalificationstandardforlongdistancegastransmissionpipeline.Keywords:longdistancegastransmissionpipeline;weldingprocedurequalification1GB502511994GB502531994,GB50251()GB502361998GB50253()JB47082000,GB5023611998,,SY/T4103,,GB50251GB50253JB4708,2GB5025194ASMEB3118;GB5025394ASMEB3114;JB4708GB50236ASME;SY/T41031995APIstd1104ASMEB3118(1999):(1)20%SMYS(),ASME,API1104,G,;20%SMYSASMEAPI1104;(2)API1104ANSI/AWSA316;(3)ASMEAPI1104GB50251GB50253GB50236JB4708GB50236SY/T4103,,GB50236JB4708SY/T4103,131JB47082000GB5023698SY/T41031995JB4708GB50236SY/T4103115321314,1,211ASME,1321,Cr-Mo3110(ASME)3,JB4708SY/T4103,SY/T4103,SY/T4103,JB4708,GB50236SY/T4103JB4708GB502362:11;21;31;41,;51()GB50236SY/T4103JB4708,11(mm):()T115T2T115T101152T10T3852TT385200214,711(mm):()115T81152TT80175T115T(mm),:T418418T1911T1911SY/T4103JB4708GB50236,,,SY/T4103,ASME,API1104SY/T41032CPVTVol20.No720032JB47082000GB502361998SY/T410319951121314151()617181SY/T4103(),JB4708,GB5023611()213141516mm61()718191101:111121131141151161;171;1811911121313JB4708,SY/T4103,SY/T410311502150331,JB4708GB50236,SY/T41033207128(2)1121;3141,512,,10%617181,:JB4708SY/T11213314115%516171:JB4708GB50236,SY/T410311,2131415161718191,101()111()1211311411511611,:,,,1,JB4708GB50236SY/T4103JB470853,815,,SY/T4103JB4708,SY/T4103JB47084CPVTVol20.No72003,,SY/T41033,1,JB4708SY/T4103GB502362,;3JB47082000GB502361998SY/T41031995,(111312),(111312),JB4708SY/T4103(SY/T4103)220(11413mm)2(:1141332318mm)4(32318mm)220(11413mm)2(:1141332318mm)4(32318mm)222(32318mm)4(32318mm)442(11413mm)4(:1141332318mm)8(32318mm)3(),3()3(),3()2(32318mm)4(32318mm)11JB4708GB50236,D=4a,18021SY/T4103,,D7a,18031JB4708GB50236,SY/T4103,,11,213mm4,,2,JB4708,GB50236,SY/T4103JB4708GB50236,SY/T4103,,,,2,JB4708GB50236SY/T4103:(),,;:()(),,;SY/T4103()(15)5207128;3,,,,40MPa70MPa,,,6,A3B1C1,,,CA1B2C3,A,,,,A1;,,A3[3],,A3B2C34(1);(2)B;(3)A3B2C3[][1].[M].:,1995.[2][S].,1997,6.[3],.[J].,2000,(4):33-34.:2003-04-21:(1971-),,,1993(),,(5)3JB4708,,SY/T4103,,,JB4708GB50236Da4,180,SY/T4103D7a,180,Q/SYXQ42001-20,,SY/T04522002,,JB4708GB50236,SY/T4103Q/SYXQ4,,3(1)ASMEB3118,ASMEAPI1104,ASME;ASMEAPI1104;(2),,SY/T4103,;(3)JB4708ASME,,,,SY/T4103,,:2003-04-11:(1940-),,1964,:88851207128