ASTM G189-2007 实验室模拟绝缘腐蚀状态的标准指南
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【英文标准名称】:StandardGuideforLaboratorySimulationofCorrosionUnderInsulation
【原文标准名称】:实验室模拟绝缘腐蚀状态的标准指南
【标准号】:ASTMG189-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:G01.11
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:腐蚀;绝缘;实验室;管道;管;模拟
【英文主题词】:corrosionunderinsulation;CUI;electrochemistry;massloss;polarizationresistance;protectionefficiency;thermalinsulation
【摘要】:1.1Thisguidecoversthesimulationofcorrosionunderinsulation(CUI),includingbothgeneralandlocalizedattack,oninsulatedspecimenscutfrompipesectionsexposedtoacorrosiveenvironmentusuallyatelevatedtemperature.ItdescribesaCUIexposureapparatus(hereinafterreferredtoasaCUI-Cell),preparationofspecimens,simulationproceduresforisothermalorcyclictemperature,orboth,andwet/dryconditions,whichareparametersthatneedtobemonitoredduringthesimulationandtheclassificationofsimulationtype.1.2Theapplicationofthisguideisbroadandcanincorporatearangeofmaterials,environmentsandconditionsthatarebeyondthescopeofasingletestmethod.TheapparatusandprocedurescontainedhereinareprincipallydirectedatestablishingacceptableproceduresforCUIsimulationforthepurposesofevaluatingthecorrosivityofCUIenvironmentsoncarbonandlowalloypipesteels,andmaypossiblybeapplicabletoothermaterialsaswell.However,thesameorsimilarprocedurescanalsobeutilizedfortheevaluationof(1)CUIonothermetalsoralloys,(2)anti-corrosivetreatmentsonmetalsurfaces,and(3)thepotentialcontributionofthermalinsulationanditsconstituentsonCUI.Theonlyrequirementsarethattheycanbemachined,formedorincorporatedintotheCUI-Cellpipeconfigurationasdescribedherein.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P94
【国际标准分类号】:23_040_99
【页数】:11P.;A4
【正文语种】:
【原文标准名称】:实验室模拟绝缘腐蚀状态的标准指南
【标准号】:ASTMG189-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:G01.11
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:腐蚀;绝缘;实验室;管道;管;模拟
【英文主题词】:corrosionunderinsulation;CUI;electrochemistry;massloss;polarizationresistance;protectionefficiency;thermalinsulation
【摘要】:1.1Thisguidecoversthesimulationofcorrosionunderinsulation(CUI),includingbothgeneralandlocalizedattack,oninsulatedspecimenscutfrompipesectionsexposedtoacorrosiveenvironmentusuallyatelevatedtemperature.ItdescribesaCUIexposureapparatus(hereinafterreferredtoasaCUI-Cell),preparationofspecimens,simulationproceduresforisothermalorcyclictemperature,orboth,andwet/dryconditions,whichareparametersthatneedtobemonitoredduringthesimulationandtheclassificationofsimulationtype.1.2Theapplicationofthisguideisbroadandcanincorporatearangeofmaterials,environmentsandconditionsthatarebeyondthescopeofasingletestmethod.TheapparatusandprocedurescontainedhereinareprincipallydirectedatestablishingacceptableproceduresforCUIsimulationforthepurposesofevaluatingthecorrosivityofCUIenvironmentsoncarbonandlowalloypipesteels,andmaypossiblybeapplicabletoothermaterialsaswell.However,thesameorsimilarprocedurescanalsobeutilizedfortheevaluationof(1)CUIonothermetalsoralloys,(2)anti-corrosivetreatmentsonmetalsurfaces,and(3)thepotentialcontributionofthermalinsulationanditsconstituentsonCUI.Theonlyrequirementsarethattheycanbemachined,formedorincorporatedintotheCUI-Cellpipeconfigurationasdescribedherein.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P94
【国际标准分类号】:23_040_99
【页数】:11P.;A4
【正文语种】:
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