Designation:B221−14StandardSpecificationforAluminumandAluminum-AlloyExtrudedBars,Rods,Wire,Profiles,andTubes1ThisstandardisissuedunderthefixeddesignationB221;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecification2coversaluminumandaluminum-alloyextrudedbars,rods,wire,profiles,andtubesinthealuminumalloys(Note1)andtempersshowninTable2.NOTE1—Throughoutthisspecification,theuseofthetermalloyinthegeneralsenseincludesaluminumaswellasaluminumalloy.NOTE2—Forrolledorcold-finishedbarandrodrefertoSpecificationB211,fordrawnseamlesstubeusedinpressureapplications,SpecificationB210,forstructuralpipeandtube,SpecificationB429/B429M,andforseamlesspipeandtubeusedinpressureapplications,SpecificationB241/B241M.NOTE3—Pipeandtubeproductslistedinthisspecificationareintendedforgeneralpurposeapplications.Thisspecificationmaynotaddressthemanufacturingprocesses,integritytesting,andverificationrequiredforfluid-carryingapplicationsinvolvingpressure.SeeSpecificationsB210orB241/B241M,orbothasappropriate,forseamlesspipeandtubeusedinfluid-carryingapplicationsinvolvingpressure.SeeSpecificationB234,asappropriate,foruseinsurfacecondensers,evaporators,andheatexchang-ers.1.2AlloyandtemperdesignationsareinaccordancewithANSIH35.1/H35.1M.TheequivalentUnifiedNumberingSystemalloydesignationsarethoseofTable1precededbyA9;forexample,A91100forAluminum1100inaccordancewithPracticeE527.1.3Foracceptancecriteriaforinclusionofnewaluminumandaluminumalloysinthisspecification,seeAnnexA2.1.4AcompletemetriccompaniontoSpecificationB221hasbeendeveloped—SpecificationB221M;therefore,nometricequivalentsarepresentedinthisspecification.2.ReferencedDocuments2.1Thefollowingdocumentsoftheissueineffectonthedateofmaterialpurchase,un...