Designation:B249/B249M−17StandardSpecificationforGeneralRequirementsforWroughtCopperandCopper-AlloyRod,Bar,ShapesandForgings1ThisstandardisissuedunderthefixeddesignationB249/B249M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecification2establishesthegeneralrequirementscommontowroughtcopperandcopperalloyrod,bar,shapes,andforgingswhichshallapplytoSpecificationsB16/B16M,B21/B21M,B98/B98M,B124/B124M,B138/B138M,B139/B139M,B140/B140M,B150/B150M,B151/B151M,B187/B187M,B196/B196M,B283/B283M,B301/B301M,B371/B371M,B411/B411M,B441,B453/B453M,B455,B570,B870,B927/B927M,B929,B967/B967M,andB974/B974Mtotheextentreferencedtherein.1.2Thechemicalcomposition,physicalandmechanicalproperties,andallotherrequirementsnotincludedinthisspecificationareprescribedintheproductspecification.1.3Units—ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3.1WithinthetexttheSIvaluesaregiveninbrackets.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:3B16/B16MSpecificationforFree-Cutting...
