【英文标准名称】:MechanicalandQualityRequirementsforTappingScrews
【原文标准名称】:自攻螺钉的机械和质量要求
【标准号】:ANSI/SAEJ933-1998
【标准状态】:作废
【国别】:美国
【发布日期】:1998-05
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:机动车工程;化学成分;紧固件;机械性能;质量要求;螺钉;自攻螺钉;钢
【英文主题词】:Automotiveengineering;Chemicalcomposition;Fasteners;Mechanicalproperties;Qualityrequirements;Screws(bolts);Self-tappingscrews;Steels
【摘要】:ThisSAERecommendedPracticecoversthemechanicalandqualityrequirementsforsteeltappingscrewsusedinautomotiveandrelatedindustries.Itdoesnotapplytocorrosionresistant(stainless)steelscrews.(DimensionalrequirementsformosttypesofscrewsmentionedhereinarecoveredinSAEJ478.)Theprimaryobjectiveofthespecificationistoinsurethatscrewsformorcutmatingthreadsinmaterialsofconstructionintowhichtheyarenormallydriven,withoutdeformingtheirownthreadandwithoutbreakingduringassemblyorservice.NOTE:Certainlimitationsonbasicmaterialandmanufacturingprocesseshavebeenincorporatedbecausethesizeandconfigurationofthepartsunderconsiderationmakethemvulnerabletorelativelysmallvariationsinchemistry,heattreatment,etc.,andbecauseexperiencehasshownthatinprocessingitisdifficulttokeepthesevariablesconsistently"inbalance."Untilimprovedperformancetestsaredeveloped,theselimitationswillsupplementthe"performance"featuresofthespecification.
【中国标准分类号】:J13
【国际标准分类号】:21_060_10
【页数】:
【正文语种】:英语


【英文标准名称】:Surfacechemicalanalysis-Vocabulary-Amendment2.
【原文标准名称】:表面化学分析.词汇.修改件2
【标准号】:NFX21-052/A2-2008
【标准状态】:作废
【国别】:法国
【发布日期】:2008-08-01
【实施或试行日期】:2008-08-02
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:化学分析和测试;定义;精整;表面性质;词汇
【英文主题词】:Chemicalanalysisandtesting;Definition;Definitions;Finishes;Surfaceproperties;Vocabulary
【摘要】:
【中国标准分类号】:G04
【国际标准分类号】:01_040_71;71_040_40
【页数】:58P.;A4
【正文语种】:其他