基本信息
标准名称: | 橡胶氧压老化箱技术条件 |
英文名称: | Technical specifications for rubber oxygen pressure aging chamber |
中标分类: |
化工 >>
化工机械与设备 >>
化工专用仪器仪表 |
ICS分类: |
|
替代情况: | 替代HG/T 2441-1993 |
发布部门: | 中华人民共和国工业和信息化部 |
发布日期: | 2011-12-20 |
实施日期: | 2012-07-01 |
首发日期: | |
作废日期: | |
归口单位: | 化学工业橡胶测试仪器设备标准化技术委员会 |
起草单位: | 北京橡胶工业研究设计院 |
出版社: | 化工出版社 |
出版日期: | 2012-07-01 |
适用范围
本标准规定了橡胶氧压老化箱的结构、仪器主要参数、要求、试验方法、检验规则及标志、包装、运输和贮存要求。
本标准适用于硫化橡胶、橡胶或塑料涂覆织物试验用的橡胶氧压老化箱。
前言
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目录
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引用标准
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所属分类: 化工 化工机械与设备 化工专用仪器仪表
【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】: