Designation:B386−03(Reapproved2011)StandardSpecificationforMolybdenumandMolybdenumAlloyPlate,Sheet,Strip,andFoil1ThisstandardisissuedunderthefixeddesignationB386;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversunalloyedmolybdenumandmolybdenumalloyplate,sheet,strip,andfoilasfollows:1.1.1Molybdenum360—Unalloyedvacuumarc-castmo-lybdenum.1.1.2Molybdenum361—Unalloyedpowdermetallurgymo-lybdenum.1.1.3MolybdenumAlloy363—Vacuumarc-castmolybde-num-0.5%titanium-0.1%zirconium(TZM)alloy.1.1.4MolybdenumAlloy364—Powdermetallurgymolyb-denum-0.5%titanium-0.1%zirconium(TZM)alloy.1.1.5Molybdenum365—Unalloyedvacuumarc-castmolybdenum,lowcarbon.1.1.6MolybdenumAlloy366—Vacuumarc-castmolybde-num-30%tungstenalloy.1.1.7DrawingGrade—Adrawinggradeisdefined,whichmaybespecifiedasaseparaterequirementbythepurchaser.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.2.ReferencedDocuments2.1ASTMStandards:2E8TestMethodsforTensionTestingofMetallicMaterialsE345TestMethodsofTensionTestingofMetallicFoilE643TestMethodforBallPunchDeformationofMetallicSheetMaterial3.Terminology3.1DefinitionsofTermsSpecifictoThisStandard:3.1.1plate,n—anyproduct3⁄16in.ormoreinthickness.3.1.2sheet,n—anyproduct0.187in.(4.75mm)orlessinthickness,toaminimumof0.005in.(0.13mm)inthickness.3.1.2.1standardgrade,n—sheetorderedwithoutadditionalrequirementsimposedforapplicationswhichrequiredrawingtomakeaproduct.3.1.2.2drawinggrade,n—sheethavingthicknessbetween0.015in.(0.38mm)and0.060in.(1.52mm),intendedforapplicationswhichrequiredrawingofthesheetotmakeaproduct.3.1.3strip,n—anyproduct0.187in.(4.75mm)orlessinthicknessandlessthan5in.(127mm)inwidth.3.1.4foil...