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【英文标准名称】:Micrographicexaminationofthenon-metallicinclusioncontentofsteelsusingstandardpictures;EnglishversionofDINEN10247:2007-07
【原文标准名称】:使用标准图片对铁非金属夹杂物含量的显微图检验
【标准号】:DINEN10247-2007
【标准状态】:现行
【国别】:德国
【发布日期】:2007-07
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:比较;含量;耐腐蚀钢;定义;测定;含量测定;尺寸选定;图形;优质钢;夹杂物;检验;解释;材料测试;金相学;显微镜分析;显微镜方法;非金属的;非金属夹杂物;非金属;参数;试样制备;抽样方法;不锈钢;标准图;标准系列;钢;测试
【英文主题词】:
【摘要】:ThisEuropeanStandarddefinesamethodofmicroscopicnon-metallicinclusionassessmentusingpicturecharts.Themethoddoesnotapplytoparticlesofalengthlessthan3,0μmorawidthsmallerthan2,0μm.Definedbyaproductstandardoragreementbetweentheinvolvedpartiesforcertainspecialproducts,inclusionswithawidthbelow2,0μmcanonlybeevaluatedaccordingtotheirlength.Elongatedinclusionswithalengthabove1410μmarecountedseparatelyandarebeyondtheupperapplicationlimitofthisstandard.Globularinclusionswithadiameterof3,0μmandaboveareincludedintheassessment.Itisassumed,ifparticlesareelongatedoriftherearestringersofparticles,thattheyareparalleltoeachother.Otherarrangementsarenotcoveredbythisstandard.ThisEuropeanStandardappliestosampleswithamicroscopicprecipitationapproachingrandomdistribution.Fromthedataofmeasurementsobtainedbythismethod,evaluationaccordingtootherstandardscanbeestablished.ThisEuropeanStandarddoesnotapplytofreecuttingsteels.NOTEThebasicprincipleofthisEuropeanStandardallowsthedeterminationofnon-metallicinclusioncontentbyimageanalysistechniques.
【中国标准分类号】:H11
【国际标准分类号】:77_040_99
【页数】:86P.;A4
【正文语种】:英语