2010ASMEBoilerandPressureVesselCodeANINTERNATIONALCODEIRulesforConstructionofPowerBoilersCopyrightASMEInternationalProvidedbyIHSunderlicensewithASMELicensee=KoreaPowerEngineeringCoInc(KOPEC)/3289500001NotforResale,07/11/201019:20:04MDTNoreproductionornetworkingpermittedwithoutlicensefromIHS--``,`,`,`,,,,```,,,,,,,,`,,`,``-`-`,,`,,`,`,,`---INTENTIONALLYLEFTBLANKCopyrightASMEInternationalProvidedbyIHSunderlicensewithASMELicensee=KoreaPowerEngineeringCoInc(KOPEC)/3289500001NotforResale,07/11/201019:20:04MDTNoreproductionornetworkingpermittedwithoutlicensefromIHS--``,`,`,`,,,,```,,,,,,,,`,,`,``-`-`,,`,,`,`,,`---ANINTERNATIONALCODE2010ASMEBoiler&PressureVesselCode2010EditionJuly1,2010IRULESFORCONSTRUCTIONOFPOWERBOILERSASMEBoilerandPressureVesselCommitteeonPowerBoilersThreeParkAvenue�NewYork,NY�10016USACopyrightASMEInternationalProvidedbyIHSunderlicensewithASMELicensee=KoreaPowerEngineeringCoInc(KOPEC)/3289500001NotforResale,07/11/201019:20:04MDTNoreproductionornetworkingpermittedwithoutlicensefromIHS--``,`,`,`,,,,```,,,,,,,,`,,`,``-`-`,,`,,`,`,,`---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.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,07/11/201019:20:04MDTNoreproductionornetworkingpermittedwithoutlicensefromIHS--``,`,`,`,,,,```,,,,,,,,`,,`,``-`-`,,`,,`,`,,`---CONTENTSListofSections.........................................................................xiiiForeword...............................................................................xvStatementsofPolicy....................................................................xviiPersonnel..............................................................................xviiiPreamble...............................................................................xxxSummaryofChanges....................................................................xxxiiListofChangesinRecordNumberOrder.................................................xxxviiPARTPGGENERALREQUIREMENTSFORALLMETHODSOFCONSTRUCTION.....................................................1GeneralPG-1Scope....................................................................1PG-2ServiceLimitations........................................................1PG-3ReferencedStandards......................................................1PG-4Units.....................................................................1MaterialsPG-5General..................................................................2PG-6Plate.....................................................................3PG-7Forgings..................................................................3PG-8Castings..................................................................3PG-9Pipes,Tubes,andPressure-ContainingParts.................................4PG-10MaterialIdentifiedWithorProducedtoaSpecificationNotPermittedby