【英文标准名称】:StandardPracticeforConductingMoistSO2Tests
【原文标准名称】:对金属进行潮湿二氧化硫(SO2)的腐蚀试验的标准实施规程
【标准号】:ASTMG87-2002(2007)
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:G01.05
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:腐蚀;潮气;磨损;金属;试验
【英文主题词】:apparatus;specimen;moisture;sulfur;dioxide;exposure
【摘要】:Moistaircontainingsulfurdioxidequicklyproduceseasilyvisiblecorrosiononmanymetalsinaformresemblingthatoccurringinindustrialenvironments.Itisthereforeatestmediumwellsuitedtodetectporesorothersourcesofweaknessinprotectivecoatingsanddeficienciesincorrosionresistanceassociatedwithunsuitablealloycompositionortreatments.Theresultsobtainedinthetestshouldnotberegardedasageneralguidetothecorrosionresistanceofthetestedmaterialsinallenvironmentswherethesematerialsmaybeused.PerformanceofdifferentmaterialsinthetestshouldonlybetakenasageneralguidetotherelativecorrosionresistanceofthesematerialsinmoistSO2service.1.1Thispracticecoverstheapparatusandproceduretobeusedinconductingqualitativeassessmenttestsinaccordancewiththerequirementsofmaterialorproductspecificationsbymeansofspecimenexposuretocondensedmoisturecontainingsulfurdioxide.1.2Theexposureconditionsmaybevariedtosuitparticularrequirementsandthispracticeincludesprovisionsforuseofdifferentconcentrationsofsulfurdioxideandfortestseitherrunningcontinuouslyorincyclesofalternateexposuretothesulfurdioxidecontainingatmosphereandtotheambientatmosphere.1.3Thevariantofthetesttobeused,theexposureperiodrequired,thetypeoftestspecimen,andthecriteriaoffailurearenotprescribedbythispractice.Suchdetailsareprovidedinappropriatematerialandproductpurchasespecifications.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifanyassociatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Foraspecificwarningstatement,see4.3.
【中国标准分类号】:H25
【国际标准分类号】:77_060
【页数】:6P.;A4
【正文语种】: