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【英文标准名称】:StandardSpecificationforCoatingsofCadmiumVacuum-DepositedonIronandSteel
【原文标准名称】:钢铁表面镉真空沉积镀层标准规范
【标准号】:ASTMB699-1986(2003)
【标准状态】:现行
【国别】:
【发布日期】:1986
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:B08.08
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:金属覆层;铁;真空镀;金属的;金属;覆层;镉;钢
【英文主题词】:cadmiumcoatings;vacuumdeposited;vacuumdepositedcoatings;cadmium;
【摘要】:1.1Thisspecificationcoverstherequirementsforacadmiumcoatingvacuum-depositedonironandsteelbasismetals.Thecoatingisespeciallybeneficialtothoseferrousmetals,heattreatedto46HRCandhigherorhavinganultimatetensilestrengthgreaterthan1500MPa,whereinprotectionagainstcorrosionandappearanceareimportant(seeAppendixX1).1.2Vacuum-depositedproductionitemsarenormallyfreeofhydrogenembrittlement,adangerwhenusingelectroplatingprocessesfordeposition.Vacuumdepositioncanhandlelargehigh-strengthpartsthatcannotbeconvenientlymechanicallyplatedintherotatingbarrels.1.3Thecoatingisprovidedinvariousthicknessesuptoandincluding12956;m(3.1)eitherintheas-depositedconditionorwithasupplementaryfinish(3.2).1.4Thefollowingprecautionarycaveatpertainsonlytothetestmethodsportion,Section9,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H40;A29
【国际标准分类号】:25_220_40
【页数】:6P.;A4
【正文语种】: