BS EN 12500-2000 金属材料防腐.大气环境下的腐蚀概率.大气环境腐蚀性的分类、测定和评估

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【英文标准名称】:Protectionofmetallicmaterialsagainstcorrosion-Corrosionlikelihoodinatmosphericenvironment-Classification,determinationandestimationofcorrosivityofatmosphericenvironments
【原文标准名称】:金属材料防腐.大气环境下的腐蚀概率.大气环境腐蚀性的分类、测定和评估
【标准号】:BSEN12500-2000
【标准状态】:作废
【国别】:英国
【发布日期】:2000-08-15
【实施或试行日期】:2000-08-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:分类系统;覆层;大气腐蚀;大气;气候;金属;腐蚀;防腐蚀;估计;腐蚀试验
【英文主题词】:Assessment;Atmosphericcorrosion;Classification;Corrosionprotection;Corrosivity;Definition;Definitions;Design;Determination;Instruments;Materialstesting;Metallicmaterials;Metals;Probability
【摘要】:ThisEuropeanStandardestablishesaclassificationsystemforthecorrosivityofatmosphericenvironments.It:—definescorrosivitycategoriesoftheatmosphericenvironmentstakingintoaccountISO9223;—describesthedeterminationofcorrosivitybasedonassessmentofmasslossofstandardspecimensafterthefirstyearofexposure;—canbeusedtoestimatethecorrosivityofanenvironmentbasedonknowledgeoflocalconditionsorofspecificdatathatcharacterizethelocalconditions,whereitisnotpossibletomakeanexperimentaldetermination.Itcannotbeusedtodeterminecorrosivitycategoriesfromexposureperiodsoflessthanorgreaterthanthefirstyear.Theclassificationsystemcontributesto:—theknowledgeandcomparisonofcorrosivityofatmosphericenvironmentsatdifferentlocations;—thechoiceofmaterialsandcorrosionprotectionmeasures.ThisEuropeanStandarddoesnotcharacterizethecorrosivityofspecialserviceatmosphericenvironments,e.g.chemicalandmetallurgicalplantsandenvironmentswithextremechloridedepositionsuchassplashzones.
【中国标准分类号】:A29
【国际标准分类号】:77_060
【页数】:20P.;A4
【正文语种】:英语