ICS25.160.10 CCSC3311 GroupStandard T/DASIV006—2024（EN） _______________________________________________________________________________ Specificationforshieldedmetalarc weldingofheavythicknessP91steel fornuclearengineering 核工程用大厚度P91钢管焊条电弧焊 焊接工艺规范 （Englishtranslation） _______________________________________________________________________________ IssuedbyDevelopmentAssociationofSteelIndustryValueChain inYangtzeRiverDeltaRegionIssuedate:2024-05-15 Implementationdate:2024-05-16 DASIV DASIV DASIV DASIV DASIV DASIV DASIV DASIV DASIV DASIV DASIV DASIV DASIV DASIV DASIV 全国团体标准信息平台 T/DASIV006-2024 IICONTENTS Foreword........................................................................................................................III 1Scope........................................................................................................................1 2NormativeReferences...............................................................................................1 3TermsandDefinitions................................................................................................1 4GeneralRequirements...............................................................................................1 4.1Personnel...............................................................................................................1 4.2Equipment..............................................................................................................2 4.3Materials.................................................................................................................2 4.4WeldingEnvironment..............................................................................................2 4.5WeldingProcedureDocuments..............................................................................2 5WeldingProcedureRequirements.............................................................................2 5.1GroovePreparation................................................................................................2 5.2DryingofWeldingMaterials....................................................................................3 5.3TackingWelding.....................................................................................................3 5.4Preheating…………………………………………………………………………………3 5.5Welding……………………………………………………………………………………4 5.6Post-weldheattreatment…………………………………………………………………4 AnnexA(Informative)WeldingProcedureSpecification(WPS).....................................6 AnnexB(Informative)WeldingRecordSheet...............................................................7 DASIV DASIV DASIV DASIV DASIV DASIV DASIV DASIV DASIV DASIV DASIV DASIV DASIV DASIV DASIV 全国团体标准信息平台 T/DASIV006-2024 IIIForeword ThisdocumentisdraftedinaccordancewiththerulesgivenintheGB/T1.1-2020 DirectivesforStandardization–Part1:RulesforStructureandDraftingofStandardization Documents. AppendicesAandBareinformative. Attentionisdrawntothepossibilitythatsomecontantsofthisdocumentmayinvolve patents.Theissuingorganizationshallnotbeheldresponsibleforidentifyingsuch patents. ThisdocumentisproposedandadministeredbytheDevelopmentAssociationofSteel IndustryValueChaininYangtzeRiverDeltaRegion,whichisalsoresponsibleforits interpretation.Usersareencouragedtosummarizetheirexperiencesduringapplication andprovidefeedbackorsuggestionstotheStandardizationCommitteeofthe Association(email:[email protected]). DraftingOrganizations: Leadorganizations:NortheasternUniversity,NuclearIndustryEngineeringResearch& DesignCo.,Ltd. Co-leadorganizations:DayeSpecialSteelCo.,Ltd.,TonglingScience&Technology School. Participatingorganizations:JiangsuUniversity,TianjinUniversity,ChinaNuclearIndustry 23ConstructionCo.,Ltd. DraftingCommittee: ChiefEditors:CongWang,YingchaoFeng DeputyEditors:GuanghuiLiu,YiminYang,JinpingLiu Members:ZhengmanGu,FuhuaLi,MingZhong,ZhibaoZhu,YinchuanCui,JunZhang, ShaojieWu,CancanYan,KeHan,HongliangLi,YueGao,PengChen,XiaodongZhang, JingxinRen,ChuangWu,WeiguanZhang,JiGao