标准资料网-标准资料免费资源平台

【英文标准名称】:StandardPracticeforQuantitativeAcceleratedLaboratoryEvaluationofExtractionSolutionsContainingIonsLeachedfromThermalInsulationonAqueousCorrosionofMetals
【原文标准名称】:金属水腐蚀热绝缘材料中浸出的含离子萃取溶液的定量加速实验室评定的标准实施规程
【标准号】:ASTMC1617-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:C16.31
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:溶液;离子;实验室;定量的;含水的;加速;萃取;评定;绝缘;金属;腐蚀;隔热
【英文主题词】:chloride;corrosion;corrosionunderinsulation;inhibition;metal;protectivecoatings;steel;thermalinsulation
【摘要】:1.1Thispracticecoversproceduresforaquantitativeacceleratedlaboratoryevaluationoftheinfluenceofextractionsolutionscontainingionsleachedfromthermalinsulationontheaqueouscorrosionofmetals.Theprimaryintentofthepracticeisforusewiththermalinsulationandassociatedmaterialsthatcontributeto,oralternativelyinhibit,theaqueouscorrosionofdifferenttypesandgradesofmetalsduetosolubleionsthatareleachedbywaterfromwithintheinsulation.ThequantitativeevaluationcriteriaareMassLossCorrosionRate(MLCR)determinedfromtheweightlossduetocorrosionofexposedmetalcouponsaftertheyarecleaned.1.2Theinsulationextractionsolutionspreparedforuseinthetestcanbealteredbytheadditionofcorrosiveionstothesolutionstosimulatecontaminationfromanexternalsource.Ionsexpectedtoprovidecorrosioninhibitioncanbeaddedtoinvestigatetheirinhibitoryeffect.1.3Preparedlaboratorystandardsolutionsareusedasreferencesolutionsandcontrols,toprovideameansofcalibrationandcomparison.SeeFig1.1.4Otherliquidscanbetestedfortheirpotentialcorrosivenessincludingcoolingtowerwater,boilerfeed,andchemicalstocks.Addedchemicalinhibitorsorprotectivecoatingsappliedtothemetalcanalsobeevaluatedusingthegeneralguidelinesofthepractice.1.5Thispracticecannotcoverallpossiblefieldconditionsthatcontributetoaqueouscorrosion.Theintentistoprovideanacceleratedmeanstoobtainanon-subjectivenumericvalueforjudgingthepotentialcontributiontothecorrosionofmetalsthatcancomefromionscontainedinthermalinsulationmaterialsorotherexperimentalsolutions.Thecalculatednumericvalueisthemasslosscorrosionrate.Thiscalculationisbasedongeneralcorrosionspreadequallyoverthetestdurationandtheexposedareaoftheexperimentalcellscreatedforthetest.Corrosionfoundinfieldsituationsandthisacceleratedtestalsoinvolvespittingandedgeeffectsandtheratechangesovertime.1.6Themeasurementvaluesstatedininch-poundunitsaretoberegardedasstandard.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H11
【国际标准分类号】:77_060
【页数】:10P.;A4
【正文语种】:


【英文标准名称】:SpecificationforGlassReinforcedConcreteD-LoadCulvert,StormDrain,andSewerPipe
【原文标准名称】:玻璃加强的混凝土涵管、雨水管和污水管
【标准号】:ASTMC1092-1994
【标准状态】:作废
【国别】:
【发布日期】:1994
【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】:
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:施工;混凝土;玻璃;污水管;涵洞;施工材料
【英文主题词】:
【摘要】:
【中国标准分类号】:Q14
【国际标准分类号】:23_040_50
【页数】:
【正文语种】: