ASME-B36.19M-2004

ANAMERICANNATIONALSTANDARDStainlessSteelPipeASMEB36.19M-2004(RevisionofANSI/ASMEB36.19M-1985)ANAMERICANNATIONALSTANDARDSTAINLESSSTEELPIPEASMEB36.19M-2004(RevisionofANSI/ASMEB36.19M-1985)--``,,`,,,,,,,,,,````,`,,,```-`-`,,`,,`,`,,`---DateofIssuance:October25,2004ThisStandardwillberevisedwhentheSocietyapprovestheissuanceofanewedition.TherewillbenoaddendaorwritteninterpretationsoftherequirementsofthisStandardissuedtothisedition.ASMEistheregisteredtrademarkofTheAmericanSocietyofMechanicalEngineers.ThiscodeorstandardwasdevelopedunderproceduresaccreditedasmeetingthecriteriaforAmericanNationalStandards.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.Nopartofthisdocumentmaybereproducedinanyform,inanelectronicretrievalsystemorotherwise,withoutthepriorwrittenpermissionofthepublisher.TheAmericanSocietyofMechanicalEngineersThreeParkAvenue,NewYork,NY10016-5990Copyright©2004byTHEAMERICANSOCIETYOFMECHANICALENGINEERSAllrightsreservedPrintedinU.S.A.CONTENTSForeword..............................................................................ivCommitteeRoster.....................................................................v1Scope.............................................................................12Size...............................................................................13Materials..........................................................................14WallThickness.....................................................................15Weights...........................................................................16PermissibleVariations..............................................................17PipeThreads.......................................................................18WallThicknessSelection............................................................2Table1DimensionsofWeldedandSeamlessStainlessSteelPipeandNominalWeightsofSteelPipe,PlainEnd..........................................................3iiiFOREWORDThisStandardforcorrosionresistantpiping,designatedcategoricallyasstainless,isbasedonthesameprinciplesthatformedthebackgroundforthedevelopmentofASMEB36.10M,WeldedandSeamlessWroughtSteelPipe,andreferenceismadetothissourceofinformation.Themorerecentdevelopmentofthehighlyalloyedstainlesssteelshasbroughtaboutaminorconflictwithconvention.Withthesenewermaterials,theneedforstandardsisjustasgreatandthepresenttypesofthreadsarejustassatisfactory,butthebasiccostofthemetalismuchhigherandtheartoffusionweldinghasdevelopedconcurrently.Thecharacterofstainlesssteelpermitsthedesignofthin-wallpipingsystemswithoutfearofearlyfailureduetocorrosion,andtheuseoffusionweldingtojoinsuchpipinghaseliminatedthenecessityofthreadingit.Forthesereasons,thewallthicknessdimensionsshownunderSchedule10Shavebeendeveloped,basedontheconventionalformula,butthenmodifiedtocorrespondtothenearestBirminghamWireGage(B.W.G.)number.Followingpublicationofthe1949edition,ademanddevelopedforastilllighterwallpipe.ASchedule5Swasdeterminedcooperativelybyrepresentativesofchemicalcompanies,processingindustries,andmanufacturersofweldingfittings.ThiswasendorsedbytheAmericanStandardsAssociation(ASA)ChemicalIndustryCorrelatingCommitteeandtheManufacturersStandardiza-tionSocietyoftheValveandFittingsIndustry.ThenewschedulewasincludedintherevisedstandardthatwasapprovedbyASA(nowANSI)onApril7,1952.In1956,itwasrecommendedthatthewallthicknessof12in.5Sbelessened,andanewrevisionofthestandardwasissuedshortlyafteritsapprovalbyASAonFebruary27,1957.Inthisfourthedition,dimensionswereexpandedbeyond12in.pipesizebyinclusionof,andreferenceto,ASTMSpecificationA409.ThisrevisionwasapprovedbyASAonOctober29,1965.TheB36StandardsCommitteemembershipwasaskedinMarch1970forrecommendationsastowhatactionshouldbetakenonANSIB36.19-1965since,accordingtoANSIprocedures,thisstandardwasdueforrevisionoraffirmation.TheB36StandardsCommitteerecommendedreaffirmation.Thisactionwasap