BS EN 12070-2000 Welding consumables - Wire electr

|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||BRITISHSTANDARDBSEN12070:2000TheEuropeanStandardEN12070:1999hasthestatusofaBritishStandardICS25.160.20NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWWeldingconsumablesÐWireelectrodes,wiresandrodsforarcweldingofcreep-resistingsteelsÐClassificationThisBritishStandard,havingbeenpreparedunderthedirectionoftheEngineeringSectorCommittee,waspublishedundertheauthorityoftheStandardsCommitteeandcomesintoeffecton15January2000©BSI01-2000ISBN0580352277BSEN12070:2000AmendmentsissuedsincepublicationAmd.No.DateCommentsNationalforewordThisBritishStandardistheEnglishlanguageversionofEN12070:1999.TheUKparticipationinitspreparationwasentrustedtoTechnicalCommitteeWEE/39,Weldingconsumables,whichhastheresponsibilityto:Ðaidenquirerstounderstandthetext;ÐpresenttotheresponsibleEuropeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeeptheUKinterestsinformed;ÐmonitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitssecretary.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSIStandardsCatalogueunderthesectionentitledªInternationalStandardsCorrespondenceIndexº,orbyusingtheªFindºfacilityoftheBSIStandardsElectronicCatalogue.ABritishStandarddoesnotpurporttoincludeallthenecessaryprovisionsofacontract.UsersofBritishStandardsareresponsiblefortheircorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2to9andabackcover.TheBSIcopyrightnoticedisplayedthroughoutthisdocumentindicateswhenthedocumentwaslastissued.(8523($167$1'$5'1250((8523e(11((8523b,6&+(1250(12FWREHU,&6(QJOLVKYHUVLRQ:HOGLQJFRQVXPDEOHV:LUHHOHFWURGHVZLUHVDQGURGVIRUDUFZHOGLQJRIFUHHSUHVLVWLQJVWHHOV&ODVVLILFDWLRQ3URGXLWVFRQVRPPDEOHVSRXUOHVRXGDJH)LOVpOHFWURGHVILOVGDSSRUWHWEDJXHWWHVGDSSRUWSRXUOHVRXGDJHjODUFGHVDFLHUVUpVLVWDQWDXIOXDJH&ODVVLILFDWLRQ6FKZHL‰]XVlW]H'UDKWHOHNWURGHQ'UlKWHXQG6WlEH]XP/LFKWERJHQVFKZHL‰HQYRQZDUPIHVWHQ6WlKOHQ(LQWHLOXQJ7KLV(XURSHDQ6WDQGDUGZDVDSSURYHGE\&(1RQ6HSWHPEHU&(1PHPEHUVDUHERXQGWRFRPSO\ZLWKWKH&(1&(1(/(&,QWHUQDO5HJXODWLRQVZKLFKVWLSXODWHWKHFRQGLWLRQVIRUJLYLQJWKLV(XURSHDQ6WDQGDUGWKHVWDWXVRIDQDWLRQDOVWDQGDUGZLWKRXWDQ\DOWHUDWLRQ8SWRGDWHOLVWVDQGELEOLRJUDSKLFDOUHIHUHQFHVFRQFHUQLQJVXFKQDWLRQDOVWDQGDUGVPD\EHREWDLQHGRQDSSOLFDWLRQWRWKH&HQWUDO6HFUHWDULDWRUWRDQ\&(1PHPEHU7KLV(XURSHDQ6WDQGDUGH[LVWVLQWKUHHRIILFLDOYHUVLRQV(QJOLVK)UHQFK*HUPDQ$YHUVLRQLQDQ\RWKHUODQJXDJHPDGHE\WUDQVODWLRQXQGHUWKHUHVSRQVLELOLW\RID&(1PHPEHULQWRLWVRZQODQJXDJHDQGQRWLILHGWRWKH&HQWUDO6HFUHWDULDWKDVWKHVDPHVWDWXVDVWKHRIILFLDOYHUVLRQV&(1PHPEHUVDUHWKHQDWLRQDOVWDQGDUGVERGLHVRI$XVWULD%HOJLXP&]HFK5HSXEOLF'HQPDUN)LQODQG)UDQFH*HUPDQ\*UHHFH,FHODQG,UHODQG,WDO\/X[HPERXUJ1HWKHUODQGV1RUZD\3RUWXJDO6SDLQ6ZHGHQ6ZLW]HUODQGDQG8QLWHG.LQJGRP(8523($1&200,77(()2567$1'$5',=$7,21&20,7e(8523e(1'(1250$/,6$7,21(8523b,6&+(6.20,7(()h5125081*&HQWUDO6HFUHWDULDWUXHGH6WDVVDUW%%UXVVHOV‹&(1$OOULJKWVRIH[SORLWDWLRQLQDQ\IRUPDQGE\DQ\PHDQVUHVHUYHGZRUOGZLGHIRU&(1QDWLRQDO0HPEHUV5HI1R(1(3DJH(1‹%6,ContentsPageForeword3Introduction41Scope42Normativereferences43Classification44Symbolsandrequirements44.1Symbolfortheproduct/process44.2Symbolforthechemicalcompositionofwireelectrodes,wiresandrods55Mechanicaltests75.1Preheatingandinterpasstemperatures75.2Passsequenceandweldingconditions76Chemicalanalysis87Technicaldeliveryconditions88Designation8Bibliography93DJH(1‹%6,ForewordThisEuropeanStandardhasbeenpreparedbyTechnicalCommitteeCEN/TC121,Welding,theSecretariatofwhichisheldbyDS.ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextorbyendorsement,atthelatestbyApril2000,andconflictingnationalstandardsshallbewithdrawnatthelatestbyApril2000.AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandtheUnitedKingdom.3DJH(1‹%6,IntroductionForcreep-resistingsteelweldingconsumablesitshouldbenotedthatthemechanicalpropertiesofall-weldmetaltestspecimensusedforclassificationwillvaryfromthoseobtainedinproductionjointsbecauseofdifferencesinweldingconditions,materialcompositionandshieldinggasorflux.Althoughcombinationsofwiresandfluxessuppliedbyindividualcompaniescanhavethesameg