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【英文标准名称】:StandardTestMethodforCathodicDisbondingofPipelineCoatingsSubjectedtoElevatedTemperatures
【原文标准名称】:在高温条件下管道覆层阴极剥离合作用的试验方法
【标准号】:ASTMG42-1996(2003)
【标准状态】:现行
【国别】:
【发布日期】:1996
【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】:D01.48
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:非金属;胶粘连接;涂料;涂漆;持久性;试验;材料;温升;粘结强度;覆层;管道
【英文主题词】:cathodicdisbonding;elevatedtemperature;pipelinecoatings
【摘要】:1.1Thistestmethoddescribesanacceleratedprocedurefordeterminingcomparativecharacteristicsofinsulatingcoatingsystemsappliedtosteelpipeexteriorforthepurposeofpreventingormitigatingcorrosionthatmayoccurinundergroundservicewherethepipewillbeexposedtohightemperaturesandisundercathodicprotection.Thistestmethodisintendedforusewithsamplesofcoatedpipetakenfromcommercialproductionandisapplicabletosuchsampleswhenthecoatingischaracterizedbyfunctionasanelectricalbarrier.1.2Thistestmethodisintendedfortestingcoatingssubmergedorimmersedinthetestsolutionatelevatedtemperature.Whenitisimpracticaltosubmergeorimmersethetestspecimen,TestMethodG95maybeconsideredwherethetestcelliscementedtothesurfaceofthecoatedpipespecimen.Ifroomtemperaturesarerequired,seeTestMethodsG8.Ifaspecifictestmethodisrequiredwithnooptions,seeTestMethodG80.1.3ThevaluesstatedinSIunitstothreesignificantdecimalsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A29
【国际标准分类号】:23_040_01
【页数】:8P.;A4
【正文语种】: