ANSI/SAE J933-1998 自攻螺钉的机械和质量要求

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【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