Designation:B407−08a(Reapproved2014)StandardSpecificationforNickel-Iron-ChromiumAlloySeamlessPipeandTube1ThisstandardisissuedunderthefixeddesignationB407;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecification2coversUNSN08120,UNSN08800,UNSN08801,UNSN08810,UNSN08811,UNSN08890,andUNSN06811intheformofcold-workedandhot-finishedannealedseamlesspipeandtube.AlloysUNSN08800andUNSN06811arenormallyemployedinservicetemperaturesuptoandincluding1100°F(593°C).AlloysUNSN08120,UNSN08810,UNSN08811,andUNSN08890arenormallyemployedinservicetemperaturesabove1100°F(593°C)whereresistancetocreepandruptureisrequired,andtheyareannealedtodevelopcontrolledgrainsizeforoptimumproper-tiesinthistemperaturerange.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodportion,Section7,ofthisspecification.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.ItistheresponsibilityoftheuserofthisstandardtobecomefamiliarwithallhazardsincludingthoseidentifiedintheappropriateMaterialSafetyDataSheet(MSDS)forthisproduct/materialasprovidedbythemanufacturer,toestablishappropriatesafetyandhealthpractices,anddeterminetheapplicabilityofregulatorylimi-tations.2.ReferencedDocuments2.1ASTMStandards:3B829SpecificationforGeneralRequirementsforNickelandNickelAlloysSeamlessPipeandTubeE140HardnessConversionTablesforMetalsRelationshipAmongBrinellHardness,VickersHardness,RockwellHardness,SuperficialHardness,KnoopHardness,Sclero-scopeHardness,andLeebHardness3.GeneralRequirements3.1Materialfurnishedunderthisspecificationshallcon-formtotheapplicablerequirementsofSpecificationB...
