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【英文标准名称】:TestMethodforMagneticParticleExaminationofSteelForgingsUsingAlternatingCurrent
【原文标准名称】:用交流电流检验钢锻件磁粒的试验方法
【标准号】:ANSI/ASTMA966-1996
【标准状态】:现行
【国别】:美国
【发布日期】:1996
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:钢;锻件;试验方法
【英文主题词】:testmethods;steels;forgings
【摘要】:Thistestmethodcoversaprocedureforthemagneticparticleexaminationofsteelforgingsusingalternatingcurrentasthepowersource.Theprocedurewillproduceconsistentresultsuponwhichacceptancestandardscanbebased.Thistestmethoddoesnotcontainacceptancelimitsorrecommendedqualitylevels.Onlyalternating50-60cyclecurrentshallbeusedastheelectricpowersourceforanyofthemagnetizingmethods.Theabilitytodetectsubsurfacediscontinuitiesisverylimitedwhenusinganalternatingpowersource,andthereforethetestsurfacesshouldbeinthefinalthermallytreatedandfinishmachinedcondition.Whensubsurfaceindicationsaresoughtinforgings,thendcmagnetizationinaccordancewithTestMethodA275/A275Mshouldbeused.Thevaluesstatedineitherinch-poundunitsorSIunitsaretoregardedseparatelyasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;thereforeeachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththespecification.Unlesstheorderspecifiestheapplicable"M"specificationdesignation[SIunits],theinch-poundunitsshallbeused.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H11
【国际标准分类号】:77_140_85
【页数】:
【正文语种】:英语