Designation:B16/B16M−10(Reapproved2015)StandardSpecificationforFree-CuttingBrassRod,BarandShapesforUseinScrewMachines1ThisstandardisissuedunderthefixeddesignationB16/B16M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecificationestablishestherequirementsforfree-cuttingbrassrod,bar,wire,andshapesofanyspecifiedcrosssectionproducedfromCopperAlloyUNSNos.C36000orC36010suitableforhigh-speedscrewmachiningapplicationsandmoderatethreadrolling.1.2Units—ValuesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combin-ingvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.2.1Withinthetext,SIunitsareshowninbrackets.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2B249/B249MSpecificationforGeneralRequirementsforWroughtCopperandCopper-AlloyRod,Bar,ShapesandForgingsB250/B250MSpecificationforGeneralRequirementsforWroughtCopperAlloyWireB601ClassificationforTemperDesignationsforCopperandCopperAlloys—WroughtandCastE8/E8MTestMethodsforTensionTestingofMetallicMa-terialsE18TestMethodsforRockwellHardnessofMetallicMa-terialsE478TestMethodsforChemicalAnalysisofCopperAlloys3.GeneralRequirements3.1ThefollowingsectionsofSpecificationsB249/B249M(rod,bar,andshapes),andB250/B250M(wroughtcopperalloywire)constituteapartofthisspecification.3.1.1Terminology,3.1.2MaterialsandManufacture,3.1.3Workmanship,Finish,andAppearance,3.1.4Samp...
