Designation:B751−08(Reapproved2013)StandardSpecificationforGeneralRequirementsforNickelandNickelAlloyWeldedTube1ThisstandardisissuedunderthefixeddesignationB751;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcontainsvariousrequirementsthat,withtheexceptionofSections6and7,aremandatoryrequirementstothefollowingASTMnickelandnickelalloy,longitudinallyweldedtubularproductspecifications:TitleofSpecificationASTMDesignationWeldedUNSN08020,N08024,andUNSN08026AlloyTubesB468WeldedUNSN08120,UNSN08800,UNSN08810,UNSN08811AlloyTubesB515WeldedNickel-Chromium-IronAlloy(UNSN06600,UNSN06603,UNSN06025,andUNSN06045)TubesB516WeldedNickelandNickel-CobaltAlloyTubeB626UNSN08904,UNSN08925,andUNSN08926WeldedTubeB674UNSN08366andUNSN08367WeldedTubeB676WeldedUNSN06625,N06219,andN08825AlloyTubesB704Ni-Cr-Mo-Co-W-Fe-SiAlloy(UNSN06333)WeldedTubeB726WeldedNickel(UNSN02200/UNSN02201)andNickelCop-perAlloy(UNSN04400)TubeB7301.2OneormoreofthetestrequirementsofSection6applyonlyifspecificallystatedintheproductspecificationorinthepurchaseorder.1.3Incaseofconflictbetweenarequirementoftheproductspecificationandarequirementofthisgeneralspecification,onlytherequirementoftheproductspecificationneedbesatisfied.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.ItistheresponsibilityoftheuserofthisstandardtobecomefamiliarwithallhazardsincludingthoseidentifiedintheappropriateMaterialSafetyDataSheet(MSDS)forthisproduct/materialasprovidedbythemanufacturer,toestablishappropriatesafetyandhealthpractices,anddeterminetheapplicabilityofregulatorylimitationspriortouse.2...
