BSEN1295222001水管锅炉和辅助设备第2部分锅炉和附件的压力零件用材料

BRITISHSTANDARDBSEN12952-2:2001Water-tubeboilersandauxiliaryinstallations—Part2:MaterialsforpressurepartsofboilersandaccessoriesTheEuropeanStandardEN12952-2:2001hasthestatusofaBritishStandardICS27.040;77.140.01NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWLicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,ThuAug2310:13:17GMT+00:002007,UncontrolledCopy,(c)BSIBSEN12952-2:2001ThisBritishStandard,havingbeenpreparedunderthedirectionoftheEngineeringSectorPolicyandStrategyCommittee,waspublishedundertheauthorityoftheStandardsPolicyandStrategyCommitteeon29April2002©BSI29April2002ISBN0580373126NationalforewordThisBritishStandardistheofficialEnglishlanguageversionofEN12952-2:2001.ItpartiallysupersedesBS1113:1999whichwillbewithdrawnwhenParts1,2,3,5,6,7,10and11areallpublished.TheUKparticipationinitspreparationwasentrustedtoTechnicalCommitteePVE/2,Water-tubeboilers,whichhastheresponsibilityto:Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitssecretary.AdditionalinformationTheUnitedKingdomvotedagainsttheacceptanceofthisEuropeanStandardattheFormalVotestage.TheprincipalUKobjectionswereasfollows:a)ThereisnoreferenceintheENforewordtoCR12952-17,Water-tubeboilersandauxiliaryinstallations—Part17:Guidelinesfortheinvolvementofaninspectionbodyindependentofthemanufacturer.b)CEN/TC269passedaresolutionthatParts1,2,3,5,6and7bepublishedasapackagenecessaryforthedesign,constructionandsafetyofwater-tubeboilersbutnomentionofthisisgivenintheENforeword.c)Clause4givesrequirementsformaterialsforpressurepartsofboilersandaccessories.4.1.1failstoruleouttheuseofrimmingsteelsandsemi-killedsteels,eventhoughthereisarequirementin4.2.2whichstatesthatrimmingsteelsandsemi-killedsteelsshallnotbeused.d)4.1.1.requiresthatmaterialforpressurepartsofboilersandaccessoriescoveredbyharmonizedEuropeanmaterialstandardsshallbeorderedanddeliveredinaccordancewithAnnexAandtherelevantEuropeanStandards.However,TableA.1ofAnnexAdoesnotincludestainlesssteeltubes,castings,castiron,bars,flanges,valvebodies,studs,boltsandnuts,allofwhicharecoveredbytheEuropeanStandardsreferredtoin4.1.1.e)AnnexC,whichgivesrequirementsapplicabletothespecialmaterialsofthepressurepartsforchemicalrecoveryboilers,hasnotbeenreferencedinthetext.f)C.2.3coversthechemicalcompositionofchemicalrecoveryboilersandrefersthereadertothematerialspecificationrequirementsof3.3.However,thechemicalcompositionofmaterialscoveredbyharmonizedEuropeanmaterialstandardsisreferredtoin4.1.5andthechemicalcompositionofmaterialscoveredbyEuropeanApprovalsisreferredtoin4.2.4,butthereisnomentionofthesesubclausesinC.2.3.g)C.2.7.2coverstheultrasonictestingofcompositetubesconcerninglongitudinalandtransversedefectsbutthissubclausemakesnomentionofthecriteriabywhichtheresultsofthetestaretobeaccepted.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSIStandardsCatalogueunderthesectionentitled“InternationalStandardsCorrespondenceIndex”,orbyusingthe“Find”facilityoftheBSIStandardsElectronicCatalogue.ABritishStandarddoesnotpurporttoincludeallthenecessaryprovisionsofacontract.UsersofBritishStandardsareresponsiblefortheircorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.—aidenquirerstounderstandthetext;—presenttotheresponsibleEuropeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeeptheUKinterestsinformed;—monitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2to24,aninsidebackcoverandabackcover.TheBSIcopyrightdatedisplayedinthisdocumentindicateswhenthedocumentwaslastissued.AmendmentsissuedsincepublicationAmd.No.DateCommentsLicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,ThuAug2310:13:17GMT+00:002007,UncontrolledCopy,(c)BSIEUROPEANSTANDARDNORMEEUROPÉENNEEUROPÄISCHENORMEN12952-2December2001ICS27.040;77.140.01EnglishversionWater-tubeboilersandauxiliaryinstallations-Part2:MaterialsforpressurepartsofboilersandaccessoriesChaudièresàtubesd'eauetinstallationsauxiliaires-Partie2:MatériauxdespartiessouspressiondeschaudièresetaccessoiresWasserrohrkesselundAnlagenkomponenten-Teil2:WerkstoffefürdrucktragendeKesselteileundZubehörThisEuropeanStandardwasapprovedbyCENon19February2001.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxe