ASTM E527-2007 统一编号系统(UNS)中金属和合金编号的标准实施规程

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【英文标准名称】:StandardPracticeforNumberingMetalsandAlloysintheUnifiedNumberingSystem(UNS)
【原文标准名称】:统一编号系统(UNS)中金属和合金编号的标准实施规程
【标准号】:ASTME527-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:A01.91
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:合金;铜;铜合金;铁合金;铁;轻质板材;金属;有色金属;编号;加筋;薄板材;钢产品;钢;带钢;结构钢
【英文主题词】:aluminumalloynumberingsystem;aluminumalloyUNSnumbering;castironnumberingsystem;castironUNSnumbering;copperalloynumberingsystem;copperalloyUNSnumbering;ferrousalloysnumberingsystem;ferrousalloysUNSnumbering;nickelalloynumb
【摘要】:TheUNSprovidesameansofcorrelatingmanynationallyusednumberingsystemscurrentlyadministeredbysocieties,tradeassociations,andindividualusersandproducersofmetalsandalloys,therebyavoidingconfusioncausedbyuseofmorethanoneidentificationnumberforthesamematerial;andbytheoppositesituationofhavingthesamenumberassignedtotwoormoreentirelydifferentmaterials.Italsoprovidestheuniformitynecessaryforefficientindexing,recordkeeping,datastorageandretrieval,andcrossreferencing.AUNSnumberisnotinitselfaspecification,sinceitestablishesnorequirementsforform,condition,quality,etc.Itisaunifiedidentificationofmetalsandalloysforwhichcontrollinglimitshavebeenestablishedinspecificationspublishedelsewhere.Note58212;OrganizationsthatissuespecificationsshouldreporttoappropriateUNSnumber-assigningoffices(3.1.2)anyspecificationchangesthataffectdescriptionsshowninpublishedUNSlistings.1.1Thispractice(Note1)coversaunifiednumberingsystem(UNS)formetalsandalloysthathavea"commercialstanding"(seeNote2),andcoverstheprocedurebywhichsuchnumbersareassigned.Section2describesthesystemofalphanumericdesignationsor"numbers"establishedforeachfamilyofmetalsandalloys.Sectionoutlinestheorganizationestablishedforadministeringthesystem.Section3describestheprocedureforrequestingnumberassignmenttometalsandalloysforwhichUNSnumbershavenotpreviouslybeenassigned.Note1UNSdesignationsarenottobeusedformetalsandalloysthatarenotregisteredunderthesystemdescribedherein,orforanymetaloralloywhosecompositiondiffersfromthoseregistered.Note2Theterms"commercialstanding,""productionusage,"andothersimilartermsareintendedtoapplytometalsandalloysinactivecommercialproductionanduse,althoughtheactualamountofsuchusewilldepend,amongotherthings,uponthetypeofmetalsandalloysinvolvedandtheirapplication.ThevariousstandardizingorganizationsinvolvedwiththeindividualindustriesapplytheirownestablishedcriteriatodefinethestatusofametaloralloyintermsofwhenaUNSdesignationnumberwillbeassigned.Forinstance,ASTMCommitteeA01requiresdetailsofheatanalysis,mechanicalproperties,andprocessingrequirementsforadditionofanewgradeoralloytoitsspecifications.TheCopperDevelopmentAssociationrequiresthatthematerialbe"incommercialuse(withouttonnagelimits);"theAluminumAssociationrequiresthatthealloybe"offeredforsale(notnecessarilyincommercialuse);"theSAEAerospaceMaterialsDivisioncallsfor"repetitiveprocurementbyatleasttwousers."Thus,whilenouniversaldefinitionforusagecriteriaisestablished,theUNSnumbersareintendedtoidentifymetalsandalloysthataregenerallyinregularproductionanduse.AUNSnumberwillnotordinarilybeissuedforamaterialthathasjustbeenconceivedorthatisstillinonlyexperimentaltrial.
【中国标准分类号】:H04
【国际标准分类号】:77_120_01
【页数】:7P.;A4
【正文语种】: