作者:标准资料网 时间:2024-05-16 22:53:14   浏览:8145   来源:标准资料网

【英文标准名称】:StandardTestMethodforEvaluatingtheMicrostructureofGraphiteinIronCastings
【原文标准名称】:铁铸件中石墨微观结构的评定标准试验方法
【标准号】:ASTMA247-2010
【标准状态】:现行
【国别】:
【发布日期】:2010
【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】:A04.21
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:铸铁;铸铁(测试);分类;分类(标准);金属/合金分类(标准);石墨;铁;金相分析/检验;微观结构;钢铁结构分析/应用
【英文主题词】:Castiron;Castiron(testing);Classification;Classification(standards);Classification(standards)--metals/alloys;Graphite;Iron;Metallographicanalysis/inspection;Microstructures;Structuralanalysis/applications--steel
【摘要】:Thecomparisonofobservedgraphiteparticleswiththestructuresshowninthechartsgiveonlypurelydescriptiveinformationonthetype,distribution,andsizeofthegraphiteinthesamplebeingevaluated.Itdoesnotindicateexceptinaverybroadwaytheoriginofthegraphite,orthesuitabilityoftheiron-carbonalloyforaparticularservice.1.1Thistestmethodcoverstheclassificationofgraphiteincastironsintermsoftype,distribution,andsize.Thistestmethodisintendedtobeapplicableforalliron-carbonalloyscontaininggraphiteparticles,andmaybeappliedtograyirons,malleableirons,andtheductile(nodular)irons.1.2Thereferencestandardsincludedinthistestmethodareinnowaytobeconstruedasspecifications.Inanappropriatespecificationforaspecificmaterialwheregraphitemicrostructureisanimportantconsiderationthistestmethodmaybeusedasareferencetodefineconciselythegraphitemicrostructurerequired.1.3Thesestandardsareofferedprimarilytopermitaccuratereportingofmicrostructuresofcastironsandtofacilitatethecomparisonofreportsbydifferentlaboratoriesorinvestigators.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H41
【国际标准分类号】:77_140_80
【页数】:2P.;A4
【正文语种】: