BS 4515-2-1999 陆地和近海铺设的钢管焊接规范 双相不锈钢管道

|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||BRITISHSTANDARDBS4515-2:1999ICS23.040.10;25.160.01NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWSpecificationforWeldingofsteelpipelinesonlandandoffshoreÐPart2:DuplexstainlesssteelpipelinesLicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,TueMar0610:01:54GMT+00:002007,UncontrolledCopy,(c)BSIThisBritishStandard,havingbeenpreparedunderthedirectionoftheEngineeringSectorCommittee,waspublishedundertheauthorityoftheStandardsCommitteeandcomesintoeffecton15April1999©BSI04-1999FirstpublishedOctober1969SecondeditionMarch1984ThirdeditionSeptember1995FourtheditionFebruary1996FiftheditionApril1999ThefollowingBSIreferencesrelatetotheworkonthisstandard:CommitteereferenceWEE/21/7Draftforcomment97/713527DCISBN0580282724BS4515-2:1999AmendmentsissuedsincepublicationAmd.No.DateTextaffectedCommitteesresponsibleforthisBritishStandardThepreparationofthisBritishStandardwasentrustedbyTechnicalCommitteeWEE/21,Pipeworkwelding,toSubcommitteeWEE/21/7,Fieldweldingofpipelines,uponwhichthefollowingbodieswererepresented:AssociationofConsultingEngineersBGTranscoBritishInstituteofNon-DestructiveTestingEngineeringEquipmentandMaterialsUsers'AssociationHealthandSafetyExecutiveInternationalMarineContractors'AssociationOffshoreContractors'AssociationPipelineIndustriesGuildWeldingInstituteWeldingManufacturers'Association(BEAMALtd.)LicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,TueMar0610:01:54GMT+00:002007,UncontrolledCopy,(c)BSIBS4515-2:1999©BSI04-1999iContentsPageCommitteesresponsibleInsidefrontcoverForewordii1Scope12Normativereferences13Definitions14Informationtobespecifiedanditemstobeapproved25Equipment36Weldingprocesses47Weldingconsumables48Testing,qualificationandapprovalofweldingprocedures49Testing,qualificationandapprovalofwelders1610Productionwelding1811Inspectionandtestingofwelds2012Acceptanceandrectificationofwelds21AnnexA(informative)Weldingprocedurespecification23AnnexB(normative)Methodfordeterminingvolumefractionofferriteinduplexstainlesssteelweldmentsbysystematicpointcount24AnnexC(normative)Methodforpittingcorrosiontestingofduplexstainlesssteelweldmentsbytheuseofferricchloridesolution25Bibliography27Figure1ÐLocationofrepairexcavationsanddestructivetestspecimens5Figure2ÐLocationoftestspecimens10Figure3ÐTensiletestspecimen11Figure4ÐCharpyV-notchimpacttestspecimensforfullpenetrationwelds(includingfullpenetrationrepairwelds)13Figure5ÐPositioningofCharpyV-notchimpactspecimensforprocedureapprovalofpartialpenetrationrepairwelds15Figure6ÐPositionofcorrosiontestspecimen:fullpenetrationandinternalrepairwelds16FigureC.1ÐGenerallayoutoftestspecimenshowingthetestfaceuppermost26Table1ÐWeldingprocedurespecificationdetailsandchangesaffectingapproval7Table2ÐNumberofspecimensforprocedurequalificationtestsonbuttjoints11Table3ÐNumberofspecimensforprocedurequalificationtestsonrepairwelds14Table4ÐDiameterandthicknessrangesforbuttjointsandbranchconnections17Table5ÐAcceptancecriteriaforwelds22LicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,TueMar0610:01:54GMT+00:002007,UncontrolledCopy,(c)BSIii©BSI04-1999BS4515-2:19991)AttimeofpublicationBS4515:1996.ForewordThisBritishStandardhasbeenpreparedbySubcommitteeWEE/21/7.ItcomplementsBS4515-11)whichappliesonlytocarbon,carbonmanganeseandlowalloysteels.Inreflectingcurrentindustrypractice,thisBritishStandardplacesdutieson,andallocatespowersofapprovalto,theemployer.InthisitdiffersfromBSEN288-3(underwhichweldingprocedureapprovalmaybeindependentoftheemployer).Consequently,thetermªqualificationºhasbeenretainedtodescribetheseriesofactionswhichdemonstratethatthetechnicalrequirementsofthisBritishStandardhavebeenmetduringtheprocessofweldingprocedure,andwelder,approval.Ithasbeenassumed,inthedraftingofthisBritishStandard,thattheexecutionofitsprovisionswillbeentrustedtoappropriatelyqualifiedandexperiencedpersonnel.Assessedcapability.UsersofthisBritishStandardareadvisedtoconsiderthedesirabilityofqualitysystemassessmentandregistrationagainsttheappropriatestandardintheBSENISO9000seriesbyanaccreditedthird-partycertificationbody.AnnexAisinformativeandannexesBandCarenormative.ABritishStandarddoesnotpurporttoincludeallnecessaryprovisionsofacontract.UsersofBritishStandardsareresponsiblefortheircorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,pagesiandii,pages1to27andabackcover.LicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,TueMar0610:01:54GMT+00:002007,UncontrolledCopy,(c)BSI©BSI04-199914515-2:19991ScopeThisBritishStandardspecifiesrequirementsfortheweldingofsolutionannealedduplexausteniticÐferriticstainlesssteelpipelineswithspecifiedminimumchromiumcontentsintherange21.0%to26.0%,designedinaccordancewithBS8010.Itisapplicabletotransmissionpipelinesforgases,liquidsorslurries,bothonlandandoffshore,ofoutsidediameter21.0mm