【英文标准名称】:StandardSpecificationforNiobiumandNiobiumAlloyStrip,Sheet,andPlate
【原文标准名称】:铌和铌合金带材、薄板及板材的标准规范
【标准号】:ASTMB393-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:B10.03
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:铌;箔;板;合金;配件;带材;薄板材;有色金属
【英文主题词】:niobium;niobiumalloyplate;niobiumalloysheet;niobiumalloystrip
【摘要】:1.1Thisspecificationcoversfivegradesofwroughtniobiumandniobiumalloystrip,sheet,andplateasfollows:Note18212;CommitteeB10hasadopted"niobium"asthedesignationforElementNo.41,formerlynamed"columbium."1.1.1R04200-Type18212;Reactorgradeunalloyedniobium,1.1.2R04210-Type28212;Commercialgradeunalloyedniobium,1.1.3R04251-Type38212;Reactorgradeniobiumalloycontaining1%zirconium,and1.1.4R04261-Type48212;Commercialgradeniobiumalloycontaining1%zirconium.1.1.5R0xxxx-Type58212;RRRgradepureniobium.Note28212;Thisgradeofniobiumisusedinsuperconductingapplicationsthatrequiretheultrahighpurity.Becauseofthehighpuritytheproductisconducivetoverylargegrainsthatcanadverselyaffectformability.Itisnotrecommendedforotherapplications.1.2ExceptfordimensionaltolerancesinTable1,thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thefollowingprecautionarycaveatpertainsonlytothetestmethodsportionofthisspecification.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H63
【国际标准分类号】:77_150_99
【页数】:5P.;A4
【正文语种】: