Designation:B729−05(Reapproved2014)StandardSpecificationforSeamlessUNSN08020,UNSN08026,andUNSN08024Nickel-AlloyPipeandTube1ThisstandardisissuedunderthefixeddesignationB729;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1ThisspecificationcoversUNSN08020,UNSN08026,andUNSN08024seamless,cold-workedorhotfinishedpipeandtubeintendedforgeneralcorrosiveservice.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodsportion,Section10,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.ItistheresponsibilityoftheuserofthisstandardtobecomefamiliarwithallhazardsincludingthoseidentifiedintheappropriateMaterialSafetydataSheet(MSDS)forthisproduct/materialasprovidedbythemanufacturer,toestablishappropriatesafetyandhealthpractices,anddeterminetheapplicabilityofregulatorylimi-tationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2B829SpecificationforGeneralRequirementsforNickelandNickelAlloysSeamlessPipeandTubeE8TestMethodsforTensionTestingofMetallicMaterials3.GeneralRequirement3.1Materialfurnishedunderthisspecificationshallcon-formtotheapplicablerequirementsofSpecificationB829unlessotherwiseprovidedherein.4.OrderingInformation4.1Itistheresponsibilityofthepurchasertospecifyallrequirementsthatarenecessaryforthesafeandsatisfactoryperformanceofmaterialorderedunderthisspecification.Examplesofsuchrequirementsinclude,butarenotlimitedto,thefollowing:4.1.1AlloynameorUNSnumber.4.1.2ASTMdesignationandyearofissue.4.1.3Finish.4.1.4Dimensions:4.1.4.1Tube—Specifyoutsidediameterandtheaverageorminimumwallthickness.4.1.4.2Pipe—Specifystandard...
