ASTM_B_386_-_03_2011.pdf

Designation:B38603(Reapproved 2011)Standard Specification forMolybdenum and Molybdenum Alloy Plate,Sheet,Strip,and Foil1This standard is issued under the fixed designation B386;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers unalloyed molybdenum andmolybdenum alloy plate,sheet,strip,and foil as follows:1.1.1 Molybdenum 360Unalloyed vacuum arc-cast mo-lybdenum.1.1.2 Molybdenum 361Unalloyed powder metallurgy mo-lybdenum.1.1.3 Molybdenum Alloy 363Vacuum arc-cast molybde-num-0.5%titanium-0.1%zirconium(TZM)alloy.1.1.4 Molybdenum Alloy 364Powder metallurgy molyb-denum-0.5%titanium-0.1%zirconium(TZM)alloy.1.1.5 Molybdenum365Unalloyedvacuumarc-castmolybdenum,low carbon.1.1.6 Molybdenum Alloy 366Vacuum arc-cast molybde-num-30%tungsten alloy.1.1.7 Drawing GradeA drawing grade is defined,whichmay be specified as a separate requirement by the purchaser.1.2 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.2.Referenced Documents2.1 ASTM Standards:2E8 Test Methods for Tension Testing of Metallic MaterialsE345 Test Methods of Tension Testing of Metallic FoilE643 Test Method for Ball Punch Deformation of MetallicSheet Material3.Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 plate,nany product316in.or more in thickness.3.1.2 sheet,nany product 0.187 in.(4.75 mm)or less inthickness,to a minimum of 0.005 in.(0.13 mm)in thickness.3.1.2.1 standard grade,nsheet ordered without additionalrequirements imposed for applications which require drawingto make a product.3.1.2.2 drawing grade,nsheet having thickness between0.015 in.(0.38 mm)and 0.060 in.(1.52 mm),intended forapplications which require drawing of the sheet ot make aproduct.3.1.3 strip,nany product 0.187 in.(4.75 mm)or less inthickness and less than 5 in.(127 mm)in width.3.1.4 foil,nany product less than 0.005 in.(0.13 mm)inthickness.4.Ordering Information4.1 Orders for material under this specification shall includethe following information as applicable:4.1.1 Material number and temper designation(Section 1and Table 1),4.1.2 Product form and grade(Section 3),4.1.3 Chemical requirements(Table 2 and Table 3),4.1.4 Mechanical requirements(Section 7 and Table 1),4.1.5 Softening temperature(Section 8),4.1.6 Tolerances(Section 9,Table 4 and Fig.1),4.1.7 Workmanship and quality level requirements(Section10),4.1.8 Packaging(Section 16),4.1.9 Marking(Section 15),4.1.10 Certification and reports(Section 14),and4.1.11 Disposition of rejected material(Section 13).5.Materials and Manufacture5.1 The various molybdenum mill products covered by thisspecification shall be formed with the conventional extrusion,forging,or rolling equipment normally found in primaryferrous and nonferrous plants.The ingot metal for Molybde-num 360 and 365 and Molybdenum Alloys 363 and 366 isvacuum arc-melted in furnaces of a type suitable for reactive,refractory metals and for Molybdenum 361 and MolybdenumAlloy 364,the metal is consolidated by powder metallurgymethods.1This specification is under the jurisdiction of ASTM Committee B10 onReactive and Refractory Metals and Alloys and is the direct responsibility ofSubcommittee B10.04 on Molybdenum and Tungsten.Current edition approved June 1,2011.Published June 2011.Originallyapproved in 1991.Last previous edition approved in 2003 as B386 03.DOI:10.1520/B0386-03R11.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 6.Chemical Composition6.1 The molybdenum and molybdenum alloy ingots andbillets for conversion to finished products covered by thisspecification shall conform to the requirements of the chemicalcomposition prescribed in Table 2.6.2 Check Analysis:6.2.1 Check analysis is an analysis made by the purchaser orthe manufacturer of the metal after it has been processed intofinished mill forms,and is either for the purpose of verifyingthe composition of a heat or lot or to determine variations in thecomposition within a heat or lot.6.2.2 Check analysis tolerances do not broaden the specifiedheat analysis requirements but cover variations between labo-ratories in the measurement of chemical content.6.2.3 The manufacturer shall not ship material that isoutside the limits specified in Table 2 for the applicable type,with the exception of oxygen and nitrogen,whose percentagemay vary with the method of fabrication.6.2.4