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1、成都洛克钛业有限公司美国标准-钛及钛合金,棒和丝材(英文)StandardSpecificationforTantalumandTantalumAlloyRodandWireThisstandardisissuedunderthefixeddesignationB365;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindica
2、testheyearoflastreaproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1 Thisspecificationcoversunalloyedandalloyedtantalumrodandwire.1.2 Thematerialscoveredbythisspecificationare:1.2.1 R05200,unalloyedtantalum,electron-beamfurnaceor
3、vacuum-arcmelt,orboth,1.2.2 R05400,unalloyedtantalum,powder-metallurgyconsolidation,1.2.3 R05255,tantalumalloy,90%tantalum10%tungsten,electron-beamfurnaceorvacuum-arcmeal,orboth,1.2.4 R05252,tantalumalloy97.5%tantalum2.5%tungsten,electron-beamfurnaceorvacuum-arcmelt
4、,orboth,1.2.5 R05240tantalumalloy,60%tantalum40%columbium,electron-beamfurnaceorvacuum-arcmelt,orboth.1.3 Thevaluesstatedininch-pounduntiesaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4 Thefollowingprecautionarycaveatpertainsonlytothetestmet
5、hodsportion,Section13,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse,Itistheresponsibility29成都市机投桥业兴北路9号028－8744286887457545传真;028-87482878成都洛克钛业有限公司oftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeter
6、minetheapplicabilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:B364SpecificationforTantalumandTantalumAlloyIngotsE8TestMethodsforTensionTestingofMetallicMaterialsE29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpecifications3.Termi
7、nology3.1DescriptionsofTermsSpecifictoThisStandard:3.1.1lot–allmaterialproducedfromthesameingotorasinglepowderblendatonetime,withthesamecrosssectionandwiththesamenominalmetallurgicalparameters.3.1.2rod-material0.125to2.5in.(3.18to63.50mm)indiameterinround,hexagonal,oroctagonalcrossse
8、ctionsupplie
