Designation:B313/B313M−09StandardSpecificationforAluminumandAluminum-AlloyRoundWeldedTubes1ThisstandardisissuedunderthefixeddesignationB313/B313M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisspecificationcoversaluminumandaluminum-alloytubesmadefromformedsheetandseamweldedbycontinuousmethods.1.2Alloy(Note1)andtemperdesignationsareinaccor-dancewithANSIH35.1/H35.1(M).TheequivalentUnifiedNumberingSystemalloydesignationsarethoseofTable1precededbyA9,forexample,A91100foraluminum1100inaccordancewithPracticeE527.NOTE1—Throughoutthisspecificationuseofthetermalloyinthegeneralsenseincludesaluminumaswellasaluminumalloy.NOTE2—FortherequirementsforsheetseeSpecificationB209.1.3Foracceptancecriteriaforinclusionofnewaluminumandaluminumalloysinthisspecification,seeA1.2.1.4ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.4.1SIUnits—TheSIunitsareshowneitherinbracketsorinseparatetables.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1Thefollowingdocumentsoftheissueineffectonthedateofmaterialpurchaseformapartofthisspecificationtotheextentreferencedherein:2.2ASTMStandards:2B209SpecificationforAluminumandAluminum-AlloySheetandPlateB557TestMethodsforTensionTestingWroughtandCastAluminum-andMagnesium-AlloyProductsB557MTestMethodsforTensionTestingWroughtandCastAluminum-andMagnesium-AlloyProducts(Metric)B660PracticesforPackaging/PackingofAl...
