ANAMERICANNATIONALSTANDARDASMEB31T-2021(RevisionofASMEB31T-2018)StandardToughnessRequirementsforPipingASMECodeforPressurePiping,B31ASMEB31T-2021(RevisionofASMEB31T-2018)StandardToughnessRequirementsforPipingASMECodeforPressurePiping,B31ANAMERICANNATIONALSTANDARDTwoParkAvenue•NewYork,NY•10016USAxDateofIssuance:July30,2021ThenexteditionofthisStandardisscheduledforpublicationin2024.ASMEissueswrittenrepliestoinquiriesconcerninginterpretationsoftechnicalaspectsofthisStandard.InterpretationsarepublishedontheCommitteewebpageandunderhttp://go.asme.org/Interpretations.PeriodicallycertainactionsoftheASMEB31CommitteemaybepublishedasCases.CasesarepublishedontheASMEwebsiteundertheB31CommitteePageathttp://go.asme.org/B31committeeastheyareissued.ErratatocodesandstandardsmaybepostedontheASMEwebsiteundertheCommitteePagesoftheassociatedcodesandstandardstoprovidecorrectionstoincorrectlypublisheditems,ortocorrecttypographicalorgrammaticalerrorsincodesandstandards.Sucherratashallbeusedonthedateposted.TheB31CommitteePagecanbefoundathttp://go.asme.org/B31committee.TheassociatedB31CommitteePagesforeachcodeandstandardcanbeaccessedfromthismainpage.Thereisanoptionavailabletoautomaticallyreceiveane-mailnotificationwhenerrataarepostedtoaparticularcodeorstandard.ThisoptioncanbefoundontheappropriateCommitteePageafterselecting“Errata”inthe“PublicationInformation”section.ASMEistheregisteredtrademarkofTheAmericanSocietyofMechanicalEngineers.ThiscodeorstandardwasdevelopedunderproceduresaccreditedasmeetingthecriteriaforAmericanNationalStandards.TheStandardsCommitteethatapprovedthecodeorstandardwasbalancedtoassurethatindividualsfromcompetentandconcernedinterestshavehadanopportunitytoparticipate.Theproposedcodeorstandardwasmadeavailableforpublicreviewandcommentthatprovidesanopportunityforadditionalpublicinputfromindustry,academia,regulatoryagencies,andthepublic-at-large.ASMEdoesnot“approve,”“rate,”or“endorse”anyitem,construction,proprietarydevice,oractivity.ASMEdoesnottakeanypositionwithr...
