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1、Designation:B22105aStandardSpecificationforAluminumandAluminum-AlloyExtrudedBars,Rods,Wire,1Profiles,andTubesThisstandardisissuedunderthefixeddesignationB221;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,the
2、yearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope*B211SpecificationforAluminuman
3、dAluminum-Alloy1.1Thisspecification2coversaluminumandaluminum-Bar,Rod,andWirealloyextrudedbar,rod,wire,profile,andtubeinthealuminumB241/B241MSpecificationforAluminumandAluminum-alloys(Note1)andtempersshowninTable2.AlloySeamlessPipeandSeamlessExtrudedTubeB429Spe
4、cificationforAluminum-AlloyExtrudedStruc-NOTE1—Throughoutthisspecification,theuseofthetermalloyintheturalPipeandTubegeneralsenseincludesaluminumaswellasaluminumalloy.B557TestMethodsofTensionTestingWroughtandCastNOTE2—Forrolledorcold-finishedbarandrodrefertoSpec
5、ificationAluminum-andMagnesium-AlloyProductsB211,fordrawntube,SpecificationB210,forstructuralpipeandtube,SpecificationB429,andforseamlesspipeandtube,SpecificationB594PracticeforUltrasonicInspectionofAluminum-B241/B241M.AlloyWroughtProductsforAerospaceApplication
6、sB660PracticesforPackaging/PackingofAluminumand1.2AlloyandtemperdesignationsareinaccordancewithMagnesiumProductsANSIH35.1.TheequivalentUnifiedNumberingSystemalloyB666/B666MPracticeforIdentificationMarkingofAlu-designationsarethoseofTable1precededbyA9;forexampl
7、e,minumandMagnesiumProductsA91100forAluminum1100inaccordancewithPracticeB807PracticeforExtrusionPressSolutionHeatTreatmentE527.ofAluminumAlloys1.3ForacceptancecriteriaforinclusionofnewaluminumB881TerminologyRelatingtoAluminum-andandaluminumalloysinthisspecifi
8、cation,seeAnnexA2.Magnesium-AlloyProducts1.4AcompletemetriccompaniontoB221hasbeenB918PracticeforHeatTreatmentofWroughtAluminumdeveloped—B221M;therefore,nometricequivalentsareAlloyspresentedinthi
