Designation:B464/B464M−15StandardSpecificationforWeldedUNSN08020AlloyPipe1ThisstandardisissuedunderthefixeddesignationB464/B464M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisspecification2coversweldedUNSN08020alloypipeforgeneralcorrosion-resistingandlow-orhigh-temperatureservice.1.2ThepipecoveredisnominalpipesizesuptoandincludingNPS6[168mm]withthenominalwallthicknessesgivenasSchedules5S,10S,and40SandnominalpipesizesuptoandincludingNPS2[60mm]alsoincludingSchedule80S.Table2ofSpecificationB775isbasedonTableA1ofANSIB36.19andgivesthenominaldimensionsofthesesizes.Table3ofSpecificationB775liststhedimensionalrequire-mentsofthesesizes.Pipehavingotherdimensionsmaybefurnishedprovidedsuchpipecomplieswithallotherrequire-mentsofthisspecification.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.ItistheresponsibilityoftheuserofthisstandardtobecomefamiliarwithallhazardsincludingthoseidentifiedintheappropriateSafetyDataSheet(SDS)forthisproduct/materialasprovidedbythemanufacturer,toestablishappropriatesafetyandhealthpractices,anddeterminetheapplicabilityofregulatorylimi-tationspriortouse.2.ReferencedDocuments2.1ASTMStandards:3A262PracticesforDetectingSusceptibilitytoIntergranularAttackinAusteniticStainlessSteelsB775SpecificationforGeneralRequirementsforNickelandNickelAlloyWeldedPipeB899TerminologyRelatingtoNon-ferrousMetalsandAl-loys2.2ANSIStandard:B36.19StainlessSteelPipe43.Terminology3.1Definitions—DefinitionsfortermsdefinedinTerminol-ogyB899shallapplyunl...
