Designation:B210M−12StandardSpecificationforAluminumandAluminum-AlloyDrawnSeamlessTubes(Metric)1ThisstandardisissuedunderthefixeddesignationB210M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecificationcoversaluminumandaluminum-alloydrawnseamlesstubesinstraightlengthsandcoilsforgeneralpurposeandpressureapplicationsinalloys(Note2),tempers,andthicknessesshowninTable2.Coiledtubesaregenerallyavailableonlyasroundtubeswithawallthicknessnotexceeding2.00mmandonlyinnonheat-treatablealloys.1.2AlloyandtemperdesignationsareinaccordancewithANSIH35.1/H35.1M.TheequivalentUnifiedNumberingSystemalloydesignationsarethoseofTable1precededbyA9,forexample,A91100foraluminum1100inaccordancewithPracticeE527.NOTE1—SeeSpecificationB483/B483Mforaluminumandaluminum-alloydrawntubesforgeneralpurposeapplications,SpecificationB234Mforaluminum-alloydrawnseamlesstubesforcondensersandheatexchangers,andSpecificationB241/B241Mforaluminum-alloyseamlesspipeandseamlessextrudedtube.NOTE2—Throughoutthisspecificationuseofthetermalloyinthegeneralsenseincludesaluminumaswellasaluminumalloy.1.3ThisspecificationisthemetriccounterpartofSpecifi-cationB210.1.4Foracceptancecriteriaforinclusionofnewaluminumandaluminumalloysinthisspecification,seeAnnexA2.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasureareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1Thefollowingdocumentsoftheissueineffectondateofmaterialpurchaseformapartofthisspecificationtotheextentrefer...