Designation:B308/B308M−10UsedinUSAEC-RDTStandardsStandardSpecificationforAluminum-Alloy6061-T6StandardStructuralProfiles1ThisstandardisissuedunderthefixeddesignationB308/B308M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecification2coversextruded6061-T6aluminum-alloystandardstructuralprofiles.1.2TheprofilesarelimitedtoI-beams,H-beams,channels,angles,tees,andzees.NOTE1—ForotherextrudedprofilesinotheralloysandtempersrefertoSpecificationB221.1.3AlloyandtemperdesignationsareinaccordancewithANSIH35.1/H35.1M.TheequivalentUnifiedNumberingSystemalloydesignationisthatinTable1precededbyA9,orA96061foralloy6061inaccordancewithPracticeE527.1.4Foracceptancecriteriaforinclusionofnewaluminumandaluminumalloysinthisspecification,seeAnnexA2.1.5ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1Thefollowingdocumentsoftheissueineffectonthedateofmaterialpurchaseformapartofthisspecificationtotheextentreferencedherein:2.2ASTMStandards:3B221SpecificationforAluminumandAluminum-AlloyEx-trudedBars,Rods,Wire,Profiles,andTubesB557TestMethodsforTensionTestingWroughtandCastAluminum-andMagnesium-AlloyProductsB557MTestMethodsforTensionTestingWroughtandCastAluminum-andMagnesium-AlloyProducts(Metric)B647TestMethodforIndentationHar...
