2010ASMEBoilerandPressureVesselCodeANINTERNATIONALCODEIIPartAFerrousMaterialSpecifications(SA-451toEnd)MaterialsCopyrightASMEInternationalProvidedbyIHSunderlicensewithASMELicensee=KoreaPowerEngineeringCoInc(KOPEC)/3289500001NotforResale,07/11/201018:53:27MDTNoreproductionornetworkingpermittedwithoutlicensefromIHS--``,`,`,`,,,,```,,,,,,,,`,,`,``-`-`,,`,,`,`,,`---INTENTIONALLYLEFTBLANKCopyrightASMEInternationalProvidedbyIHSunderlicensewithASMELicensee=KoreaPowerEngineeringCoInc(KOPEC)/3289500001NotforResale,07/11/201018:53:27MDTNoreproductionornetworkingpermittedwithoutlicensefromIHS--``,`,`,`,,,,```,,,,,,,,`,,`,``-`-`,,`,,`,`,,`---ANINTERNATIONALCODE2010ASMEBoiler&PressureVesselCode2010EditionJuly1,2010IIPartAFerrousMaterialSpecifications(SA-451toEnd)MATERIALSASMEBoilerandPressureVesselCommitteeonMaterialsThreeParkAvenue�NewYork,NY�10016USACopyrightASMEInternationalProvidedbyIHSunderlicensewithASMELicensee=KoreaPowerEngineeringCoInc(KOPEC)/3289500001NotforResale,07/11/201018:53:27MDTNoreproductionornetworkingpermittedwithoutlicensefromIHS--``,`,`,`,,,,```,,,,,,,,`,,`,``-`-`,,`,,`,`,,`---DateofIssuance:July1,2010(IncludesallAddendadatedJuly2009andearlier)ThisinternationalcodeorstandardwasdevelopedunderproceduresaccreditedasmeetingthecriteriaforAmericanNationalStandardsanditisanAmericanNationalStandard.TheStandardsCommitteethatapprovedthecodeorstandardwasbalancedtoassurethatindividualsfromcompetentandconcernedinterestshavehadanopportunitytoparticipate.Theproposedcodeorstandardwasmadeavailableforpublicreviewandcommentthatprovidesanopportunityforadditionalpublicinputfromindustry,academia,regulatoryagencies,andthepublic-at-large.ASMEdoesnot“approve,”“rate,”or“endorse”anyitem,construction,proprietarydevice,oractivity.ASMEdoesnottakeanypositionwithrespecttothevalidityofanypatentrightsassertedinconnectionwithanyitemsmentionedinthisdocument,anddoesnotundertaketoinsureanyoneutilizingastandardagainstliabilityforinfringementofanyapplicableletterspatent,norassumeanysuchliability.Usersofacodeorstandardareexpresslyadvisedthatdeterminationofthevalidityofanysuchpatentrights,andtheriskofinfringementofsuchrights,isentirelytheirownresponsibility.Participationbyfederalagencyrepresentative(s)orperson(s)affiliatedwithindustryisnottobeinterpretedasgovernmentorindustryendorsementofthiscodeorstandard.ASMEacceptsresponsibilityforonlythoseinterpretationsofthisdocumentissuedinaccordancewiththeestablishedASMEproceduresandpolicies,whichprecludestheissuanceofinterpretationsbyindividuals.ThefootnotesinthisdocumentarepartofthisAmericanNationalStandard.ASMEcollectivemembershipmarkTheaboveASMEsymbolsareregisteredintheU.S.PatentOffice.“ASME”isthetrademarkoftheAmericanSocietyofMechanicalEngineers.TheSpecificationspublishedandcopyrightedbytheAmericanSocietyforTestingandMaterialsarereproducedwiththeSociety’spermission.Nopartofthisdocumentmaybereproducedinanyform,inanelectronicretrievalsystemorotherwise,withoutthepriorwrittenpermissionofthepublisher.LibraryofCongressCatalogCardNumber:56-3934PrintedintheUnitedStatesofAmericaAdoptedbytheCounciloftheAmericanSocietyofMechanicalEngineers,1914.Revised1940,1941,1943,1946,1949,1952,1953,1956,1959,1962,1965,1968,1971,1974,1977,1980,1983,1986,1989,1992,1995,1998,2001,2004,2007,2010TheAmericanSocietyofMechanicalEngineersThreeParkAvenue,NewYork,NY10016-5990Copyright©2010byTHEAMERICANSOCIETYOFMECHANICALENGINEERSAllRightsReservedCopyrightASMEInternationalProvidedbyIHSunderlicensewithASMELicensee=KoreaPowerEngineeringCoInc(KOPEC)/3289500001NotforResale,07/11/201018:53:27MDTNoreproductionornetworkingpermittedwithoutlicensefromIHS--``,`,`,`,,,,```,,,,,,,,`,,`,``-`-`,,`,,`,`,,`---CONTENTSSpecificationsListedbyMaterials........................................................ixSpecificationRemoval...................................................................xviiGuidelineonAcceptableASTMEditions..................................................xixGuidelineonAcceptableNon-ASTMEditions.............................................xxixSummaryofChanges....................................................................xxxListofChangesinRecordNumberOrder.................................................xxxiiSpecificationsSA-6/SA-6MGeneralRequirementsforRolledStructuralSteelBars,Plates,Shapes,andSheetPiling........................................................1SA-20/SA-20MGeneralRequirementsforSteelPlatesforPressureVessels...............83SA-29/SA-29MSteelBars,CarbonandAlloy,Hot-Wrought,GeneralRequirementsfor....125SA-31SteelRivetsandBarsforRivets,PressureVessels.......................143SA-36/SA-36MCarbonStructuralSteel................................................147SA-47/SA-47MFerriticMalleableIronCastings........................................153SA-53/SA-53MPipe,Steel,BlackandHot-Dipped,Zinc-Coated,WeldedandSeamless....161SA-105/SA-105MCarbonSteelForgingsforPipingApplications...........................189SA-106/SA-106MSeamlessCarbonSteelPipeforHigh-TemperatureService...............195SA-134Pipe,Steel,Electric-Fusion(Ar