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中华人民共和国行业标准IndustrialStandardofthePeople'sRepublicofChinaJB4708—2000JB/T4709—2000JB4744—2000钢制压力容器焊接工艺评定钢制压力容器焊接规程钢制压力容器产品焊接试板的力学性能检验WeldingprocedurequalificationforsteelpressurevesselsWeldingspecificationforsteelpressurevesselsMechanicalpropertytestsofproductweldedtestcouponsforsteelpressurevesselsIssuance：15-08-2000Implementation：01-10-2000本英文版为内部资料，仅供参考，以中文版为准。TheChineseversionofstandardshasprecedencetotheirEnglishtranslationswhichareonlyforinternalreference.TheStateBureauofIndustryIssuedJointlybyTheStateBureauofPetroleumandChemicalIndustryNoticefortheIssuanceofFourIndustrialStandardssuchas“WeldingProcedureQualificationforSteelPressureVessels”etc.No.：SMIB[2000]401Allsectorsinvolved,ThisistonotifythatinaccordancewiththeApprovalProceduresofPressureVessel′sIndustrialStandardsasstipulatedbytheStateQuality&TechnologySupervisionBureau,thefourindustrialstandardssuchasWeldingProcedureQualificationforSteelPressureVesselsaretobereleasedwiththeindividualnumberanddesignationasfollows：Compulsivestandards：JB4708—2000WeldingProcedureQualificationforSteelPressureVessels（toreplaceJB4708—1992）JB4710—2000SteelTowerVessel（toreplaceJB4710—1992）JB4744—2000MechanicalPropertyTestsofProductWeldedTestCouponsforSteelPressureVessels（toreplaceGB150—1998AppendixE）Recommendedstandards：JB/T4709—2000WeldingSpecificationsforSteelPressureVessels（toreplaceJB/T4709—1992）TheabovestandardswillbeimplementedfromOctober1，2000.TheStateStandardTechnologyCommitteeofPressureVesselwillbewhollyresponsibleforthereleaseofthesestandardsinduetime.Regards，TheStateMachineryIndustrialBureauTheStatePetroleum&ChemicalIndustrialBureauAugust15，2000—1—ContentsJB4708-2000Weldingprocedurequalificationforsteelpressurevessels……………4Preface…………………………………………………………………………………………………41.Scope………………………………………………………………………………………………52.Quotedstandards…………………………………………………………………………………53.Terminologies……………………………………………………………………………………64.Generalprinciples………………………………………………………………………75.Weldingprocedurequalificationregulationsforbuttandfilletweldingseam………86.Weldingprocedurequalificationregulationsforcorrosion-resistingbeadwelding…217.Testrequirementsandresultevaluation………………………………………………23AppendixA(appendixforstandard)Weldingprocedurequalificationforstainlesssteelcompoundsteel…………………………………………………………36AppendixB(appendixforprompts)Weldingprocedureinstructionandtherecommendedpatternsofweldingprocedurequalificationrecord…………38JB/T4709-2000WeldingspecificationforsteelpressurevesselsPreface1.Scope2.Quotedstandards3.Weldingmaterials4.Weldingprocedurequalificationandwelder5.Preparationbeforewelding6.Welding7.Postheating8.Postweldheattreatment9.Weldingseamre-repairing10．WeldinginspectionAppendixA(appendixforstandards)WeldingspecificationforstainlesssteelcompoundsteelAppendixB(appendixforprompts)Recommendedformofweldingprocedureinstruction—2—JB4744-2000Mechanicalpropertytestsofproductweldedtestcouponsforsteelpressurevessels1.Scope2.Quotedstandards3.Symbols4.Themanufacturingrequirementsofproductweldedtestcoupons5.Testsamplepreparationofproductweldedtestcoupons6.Thetensiletest7.Thebendingtest8.Theimpacttest9.Re-test—3—JB4708-2000Weldingprocedurequalificationforsteelpressurevessels—4—中华人民共和国行业标准IndustrialStandardofthePeople'sRepublicofChinaJB4708-2000ToreplaceJB4708-1992钢制压力容器焊接工艺评定Weldingprocedurequalificationforsteelpressurevessels1.ScopeThisstandardstipulatesweldingprocedurequalificationregulations,testingmethodandqualifiedindexesforsteelpressurevessels.Thestandardissuitableforweldingprocedurequalificationofgaswelding,weldingrodelectricalarcwelding,submergedarcwelding,gasmetal-arcwelding,gastungsten-arcwelding,electroslagwelding,corrosion-resistingbeadwelding,etc.forsteelpressurevessels.2.QuotedstandardsThearticlesincludedinthefollowingstandardsbecomearticlesofthestandardbyquotation.Whenbeingpublished,allversionsofthestandardsarevalid.Sinceallstandardswillberevised,everyusershallseekthepossibilityofadoptingthelatestversionofthefollowingstandards.GB150-1998steelpressurevesselsGB/T228-1987metalstensiletestingmethodGB/T229-1994metalsimpacttestingmethodofxiabinotchGB/T232-1988metalsbendingtestingmethodGB713-1997steelplatesforboilerGB/T912-1989thinhot-rolledsteelplatesandsteelstripsofcarbonstructuralsteelandlow-alloystructuralsteelGB3087-1982seamlesssteelpipeforlowandmiddlepressureboilerGB/T3274-1988thickhot-rolledsteelplatesandsteelstripsofcarbonstructuralsteelandlow-alloystructuralsteelGB/T3280-1992cold-rolledstainlesssteelplatesGB3531-1996lowalloysteelplatesforlow-temperaturepressurevessels(includingtheNo.1modificationlist)—5—GB/T4237-1992hot-rolledstainlesssteelplatesGB5310-1995seamlesssteelpipeforhigh-pressureboilerGB6479-1986seamlesssteelpipeforfertilizerequipmentGB6654-1996steelplatesforpressurevessels(includingtheNo.1andNo.2modificationlist)GB/T8163-1987seamlesssteelpipeforconveyingliquidsGB9948-1988seamlesssteelpipeforoilcrackingGB13296-1991seamlessstainlesssteelpipeforboiler’sheatexchangerGB/T14976-1994seamlessstainlesssteelpipeforconveyingliquidsJB4726-2000theforgedpiecesofcarbonsteelandlowalloyst