BS EN 12953-2 2002

BRITISHSTANDARDBSEN12953-2:2002Shellboilers—Part2:MaterialsforpressurepartsofboilersandaccessoriesTheEuropeanStandardEN12953-2:2002hasthestatusofaBritishStandardICS27.060.30;27.100NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWLicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,TueMay1511:07:35GMT+00:002007,UncontrolledCopy,(c)BSIBSEN12953-2:2002ThisBritishStandard,havingbeenpreparedunderthedirectionoftheEngineeringSectorPolicyandStrategyCommittee,waspublishedundertheauthorityoftheStandardsPolicyandStrategyCommitteeon14June2002©BSI14June2002ISBN0580398528NationalforewordThisBritishStandardistheofficialEnglishlanguageversionofEN12953-2:2002.ItpartiallysupersedesBS2790:1992whichwillbewithdrawnonpublicationofBSEN12953Parts1,2,3,4,5,6,8and9.WhenthereferencetothisEuropeanStandardhasbeenpublishedintheOfficialJournaloftheEuropeanCommunities(OJ),compliancewithitwillconferapresumptionofconformitywiththeessentialrequirementscoveredbythestandardinrespectofthePressureEquipmentDirective.TheUKparticipationinitspreparationwasentrustedtoTechnicalCommitteePVE/16,Shellboilers,whichhastheresponsibilityto:Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitssecretary.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSICatalogueunderthesectionentitled“InternationalStandardsCorrespondenceIndex”,orbyusingthe“Search”facilityoftheBSIElectronicCatalogueorofBritishStandardsOnline.Thispublicationdoesnotpurporttoincludeallthenecessaryprovisionsofacontract.Usersofthispublicationareresponsiblefortheircorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.—aidenquirerstounderstandthetext;—presenttotheresponsibleinternational/Europeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeeptheUKinterestsinformed;—monitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2to10,aninsidebackcoverandabackcover.TheBSIcopyrightdatedisplayedinthisdocumentindicateswhenthedocumentwaslastissued.AmendmentsissuedsincepublicationAmd.No.DateCommentsLicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,TueMay1511:07:35GMT+00:002007,UncontrolledCopy,(c)BSIEUROPEANSTANDARDNORMEEUROPÉENNEEUROPÄISCHENORMEN12953-2May2002ICS27.060.30;27.100EnglishversionShellboilers-Part2:MaterialsforpressurepartsofboilersandaccessoriesChaudièresàtubesdefumée-Partie2:MatériauxdespartiessouspressiondeschaudièresetdesaccessoiresGroßwasserraumkessel-Teil2:WerkstoffefürdrucktragendeKesselteileundZubehörThisEuropeanStandardwasapprovedbyCENon14March2002.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom.EUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITÉEUROPÉENDENORMALISATIONEUROPÄISCHESKOMITEEFÜRNORMUNGManagementCentre:ruedeStassart,36B-1050Brussels©2002CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.Ref.No.EN12953-2:2002ELicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,TueMay1511:07:35GMT+00:002007,UncontrolledCopy,(c)BSIEN12953-2:2002(E)ContentspageForeword................................................31Scope...............................................42Normativereferences...................................43Generalrequirements...................................53.1Selectionofmaterials....................................53.2Materialspecification.....................................54Materialsforpressureparts...............................74.1Flatproducts,tubesandforgings............................74.2Valvesandfittings.......................................74.3Weldingconsumables....................................74.4Acceptancetests........................................74.5Inspectiondocuments....................................84.6Marking..............................................85Materialsfornon-pressureparts...........................86Traceability...........................................8AnnexZA(informative)ClausesofthisEuropeanStandardaddressingessentialsafetyrequirementsorotherprovisionsofthePressureEquipmentDirective....................................9Bibliography..............................................102LicensedCopy:InstituteO