Designation:F2886−17StandardSpecificationforMetalInjectionMoldedCobalt-28Chromium-6MolybdenumComponentsforSurgicalImplantApplications1ThisstandardisissuedunderthefixeddesignationF2886;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisspecificationcoverschemical,mechanical,andmetallurgicalrequirementsformetalinjectionmolded(MIM)cobalt-28chromium-6molybdenumcomponentstobeusedinthemanufactureofsurgicalimplants1.2TheMIMcomponentscoveredbythisspecificationmayhavebeendensifiedbeyondtheiras-sintereddensitybypost-sinterprocessing.1.3Units—ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2B243TerminologyofPowderMetallurgyB311TestMethodforDensityofPowderMetallurgy(PM)MaterialsContainingLessThanTwoPercentPorosityB923TestMethodforMetalPowderSkeletalDensitybyHeliumorNitrogenPycnometryE3GuideforPreparationofMetallographicSpecimensE8/E8MTestMethodsforTensionTestingofMetallicMa-terialsE29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpecificationsE165PracticeforLiquidPenetrantExaminationforGeneralIndustryE354TestMethodsforChemicalAnalysisofHigh-Temperature,Electrical,Magnetic,andOtherSimilarIron,Nickel,andCobaltAlloysE407PracticeforMicroetchingMetalsandAlloysF75SpecificationforCobalt-28Chromium-6MolybdenumAll...