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【英文标准名称】:StandardSpecificationforMagneticParticleExaminationofContinuousGrainFlowCrankshaftForgings
【原文标准名称】:连续晶粒流动曲轴锻件的磁粒子检验标准规范
【标准号】:ASTMA986/A986M-2001(2006)
【标准状态】:现行
【国别】:美国
【发布日期】:2001
【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】:A01.06
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:1.1Thisspecificationcoversthemagneticparticleexaminationofforgedcontinuousgrainflow(CGF)crankshaftsintendedformediumspeeddieselengines.1.2Forthepurposeofmagneticparticleindicationassessment,thecrankshaftisdividedintofourzonesofdecreasingoperationalstress.Acceptancecriteriahavebeensetforeachzone.1.3Theenginestowhichthesecrankshaftsarefittedarecommonlyusedfordieselelectriclocomotives,marinepropulsion,andpowergeneration.Enginesfueledbynaturalgasalsofallintothismediumspeedcategory.1.4SpecificationA983/A983MisaproductspecificationthatcoversthemanufactureofCGFcrankshafts.1.5Thevaluesstatedineitherinch-poundunitsorSIunitsaretoberegardedseparatelyasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththespecification.
【中国标准分类号】:H26
【国际标准分类号】:77_140_85
【页数】:3P.;A4
【正文语种】:英语