SummaryofSignificantChangesinthe2021ASMEBoilerandPressureVesselCodeASMEBPVC.SSC.III.II.V.IX-2021SectionIIISectionIISectionVSectionIXASMEBPVC.SSC.III.II.V.IX-2021SummaryofSignificantChangesinthe2021ASMEBoilerandPressureVesselCodeSectionsIII,II,V,andIXTwoParkAvenue•NewYork,NY•10016USAxDateofIssuance:April23,2021ASMEdoesnotissuewrittenrepliestoinquiriesconcerningthispublication.Nopartofthisdocumentmaybereproducedinanyform,inanelectronicretrievalsystemorotherwise,withoutthepriorwrittenpermissionofthepublisher.TheAmericanSocietyofMechanicalEngineersTwoParkAvenue,NewYork,NY10016-5990Copyright©2021byTHEAMERICANSOCIETYOFMECHANICALENGINEERSAllrightsreservedPrintedinU.S.A.CONTENTSListofSectionsintheASMEBoilerandPressureVesselCode.................................ivForeword......................................................................vAcknowledgments................................................................viSECTIONIII....................................................1Introduction....................................................1SubsectionNCA....................................................3Appendices....................................................5SubsectionNB....................................................7SubsectionNCD....................................................8SubsectionNE....................................................9SubsectionNF....................................................10SubsectionNG....................................................11Division2....................................................12Division3....................................................14Division5....................................................15SECTIONII....................................................16Introduction....................................................16PartA....................................................17PartB....................................................21PartC...............................................
