ASTM G78-2001(2007) 海水及其它含氯化物的水环境中铁基和镍基不锈合金的裂隙腐蚀试验的标准指南
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【英文标准名称】:StandardGuideforCreviceCorrosionTestingofIron-BaseandNickel-BaseStainlessAlloysinSeawaterandOtherChloride-ContainingAqueousEnvironments
【原文标准名称】:海水及其它含氯化物的水环境中铁基和镍基不锈合金的裂隙腐蚀试验的标准指南
【标准号】:ASTMG78-2001(2007)
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:G01.09
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:导则;不锈的;海水;腐蚀试验;铁;磨损;合金;腐蚀;镍;金属
【英文主题词】:aqueous;chloride;corrosion;crevice;ironbase;nickel-base;testing
【摘要】:Thisguidecoversproceduresforcrevice-corrosiontestingofiron-baseandnickel-basestainlessalloysinseawater.Theguidanceprovidedmayalsobeapplicabletocrevicecorrosiontestinginotherchloridecontainingnaturalwatersandvariouslaboratorypreparedaqueouschlorideenvironments.Thisguidedescribestheuseofavarietyofcreviceformersincludingthenonmetallic,segmentedwasherdesignreferredtoasthemultiplecreviceassembly(MCA)asdescribedin9.2.2.In-serviceperformancedataprovidethemostreliabledeterminationofwhetheramaterialwouldbesatisfactoryforaparticularenduse.Translationoflaboratorydatafromasingletestprogramtopredictserviceperformanceunderavarietyofconditionsshouldbeavoided.Terms,suchasimmunity,superiorresistance,etc.,provideonlyageneralandrelativelyqualitativedescriptionofanalloyrsquo;corrosionperformance.Thelimitationsofsuchtermsindescribingresistancetocrevicecorrosionshouldberecognized.Whiletheguidanceprovidedisgenerallyforthepurposeofevaluatingsheetandplatematerials,itisalsoapplicableforcrevice-corrosiontestingofotherproductforms,suchastubingandbars.Thepresenceorabsenceofcrevicecorrosionunderonesetofconditionsisnoguaranteethatitwillorwillnotoccurunderotherconditions.Becauseofthemanyinterrelatedmetallurgical,environmental,andgeometricfactorsknowntoaffectcrevicecorrosion,resultsfromanygiventestmayormaynotbeindicativeofactualperformanceinserviceapplicationswheretheconditionsmaybedifferentfromthoseofthetest.1.1Thisguidecoversinformationforconductingcrevice-corrosiontestsandidentifiesfactorsthatmayaffectresultsandinfluenceconclusions.1.2Theseprocedurescanbeusedtoidentifyconditionsmostlikelytoresultincrevicecorrosionandprovideabasisforassessingtherelativeresistanceofvariousalloystocrevicecorrosionundercertainspecifiedconditions.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Foraspecificwarningstatement,see7.1.1.
【中国标准分类号】:H25
【国际标准分类号】:77_060
【页数】:8P.;A4
【正文语种】:
【原文标准名称】:海水及其它含氯化物的水环境中铁基和镍基不锈合金的裂隙腐蚀试验的标准指南
【标准号】:ASTMG78-2001(2007)
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:G01.09
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:导则;不锈的;海水;腐蚀试验;铁;磨损;合金;腐蚀;镍;金属
【英文主题词】:aqueous;chloride;corrosion;crevice;ironbase;nickel-base;testing
【摘要】:Thisguidecoversproceduresforcrevice-corrosiontestingofiron-baseandnickel-basestainlessalloysinseawater.Theguidanceprovidedmayalsobeapplicabletocrevicecorrosiontestinginotherchloridecontainingnaturalwatersandvariouslaboratorypreparedaqueouschlorideenvironments.Thisguidedescribestheuseofavarietyofcreviceformersincludingthenonmetallic,segmentedwasherdesignreferredtoasthemultiplecreviceassembly(MCA)asdescribedin9.2.2.In-serviceperformancedataprovidethemostreliabledeterminationofwhetheramaterialwouldbesatisfactoryforaparticularenduse.Translationoflaboratorydatafromasingletestprogramtopredictserviceperformanceunderavarietyofconditionsshouldbeavoided.Terms,suchasimmunity,superiorresistance,etc.,provideonlyageneralandrelativelyqualitativedescriptionofanalloyrsquo;corrosionperformance.Thelimitationsofsuchtermsindescribingresistancetocrevicecorrosionshouldberecognized.Whiletheguidanceprovidedisgenerallyforthepurposeofevaluatingsheetandplatematerials,itisalsoapplicableforcrevice-corrosiontestingofotherproductforms,suchastubingandbars.Thepresenceorabsenceofcrevicecorrosionunderonesetofconditionsisnoguaranteethatitwillorwillnotoccurunderotherconditions.Becauseofthemanyinterrelatedmetallurgical,environmental,andgeometricfactorsknowntoaffectcrevicecorrosion,resultsfromanygiventestmayormaynotbeindicativeofactualperformanceinserviceapplicationswheretheconditionsmaybedifferentfromthoseofthetest.1.1Thisguidecoversinformationforconductingcrevice-corrosiontestsandidentifiesfactorsthatmayaffectresultsandinfluenceconclusions.1.2Theseprocedurescanbeusedtoidentifyconditionsmostlikelytoresultincrevicecorrosionandprovideabasisforassessingtherelativeresistanceofvariousalloystocrevicecorrosionundercertainspecifiedconditions.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Foraspecificwarningstatement,see7.1.1.
【中国标准分类号】:H25
【国际标准分类号】:77_060
【页数】:8P.;A4
【正文语种】:
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