ASTM C996-2010 235U低于5%的浓缩六氟化铀标准规格
【原文标准名称】:235U低于5%的浓缩六氟化铀标准规格
【标准号】:ASTMC996-2010
【标准状态】:现行
【国别】:
【发布日期】:2010
【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】:C26.02
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:低浓缩铀;核燃料;铀浓缩;六氟化铀
【英文主题词】:lowenricheduranium;nuclearfuel;uraniumenrichment;uraniumhexafluoride
【摘要】:1.1Thisspecificationcoversnucleargradeuraniumhexafluoride(UF6)thateitherhasbeenprocessedthroughanenrichmentplant,orhasbeenproducedbytheblendingofHighlyEnrichedUraniumwithotheruraniumtoobtainuraniumofany235Uconcentrationbelow5%andthatisintendedforfuelfabrication.Theobjectivesofthisspecificationaretwofold:(1)TodefinetheimpurityanduraniumisotopelimitsforEnrichedCommercialGradeUF6sothat,withrespecttofueldesignandmanufacture,itisessentiallyequivalenttoenricheduraniummadefromnaturalUF6;and(2)TodefinelimitsforEnrichedReprocessedUF6tobeexpectedifReprocessedUF6istobeenrichedwithoutdilutionwithCommercialNaturalUF6.ForsuchUF6,specialprovisions,notdefinedherein,maybeneededtoensurefuelperformanceandtoprotecttheworkforce,processequipment,andtheenvironment.1.2ThisspecificationisintendedtoprovidethenuclearindustrywithastandardforenrichedUF6thatistobeusedintheproductionofsinterableUO2powderforfuelfabrication.Inadditiontothisspecification,thepartiesconcernedmayagreetootherappropriateconditions.1.3Thescopeofthisspecificationdoesnotcomprehensivelycoverallprovisionsforpreventingcriticalityaccidentsorrequirementsforhealthandsafetyorforshipping.Observanceofthisspecificationdoesnotrelievetheuseroftheobligationtoconformtoallapplicableinternational,federal,state,andlocalregulationsforprocessing,shipping,orinanyotherwayusingUF6(see,forexample,TID-7016,DP-532,andDOEO474.1).1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.
【中国标准分类号】:
【国际标准分类号】:27_120_30
【页数】:4P.;A4
【正文语种】: