Designation:B93/B93M−15StandardSpecificationforMagnesiumAlloysinIngotFormforSandCastings,PermanentMoldCastings,andDieCastings1ThisstandardisissuedunderthefixeddesignationB93/B93M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thisspecificationcoversmagnesiumalloysiningotformforremeltingforthemanufactureofsandcastings,permanentmoldcastings,investmentcastings,anddiecast-ings.NOTE1—SupplementaryinformationpertainingtothealloyscoveredbythisspecificationwhenusedintheformofcastingsisgiveninSpecificationsB80,B94,B199andB403.1.2Thevaluesstatedineitherinch-poundunitsorSIunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1Thefollowingdocumentsoftheissueineffectondateoforderacceptanceformapartofthisspecificationtotheextentreferencedherein:2.2ASTMStandards:2B80SpecificationforMagnesium-AlloySandCastingsB94SpecificationforMagnesium-AlloyDieCastingsB199SpecificationforMagnesium-AlloyPermanentMoldCastingsB403SpecificationforMagnesium-AlloyInvestmentCast-ingsB660PracticesforPackaging/PackingofAluminumandMagnesiumProductsB666PracticeforIdentificationMarkingofAluminumandMagnesiumProductsB951PracticeforCodificationofUnalloyedMagnesiumandMagnesium-Alloys,CastandWroughtB953PracticeforSamplingMagnesiumandMagnesiumAlloysforSpectrochemicalAnalysisB954TestMethodforAnalysisofMagnesiumandMagne-siumAlloysbyAtomicEmissionSpectrometryE29PracticeforUsi...
