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【英文标准名称】:StandardGuideforEvaluatingtheCorrosionPropertiesofWroughtIron-andNickel-BasedCorrosionResistantAlloysfortheChemicalProcessIndustries
【原文标准名称】:评价化学加工工业用煅铁和镍基抗腐蚀合金腐蚀特性的标准指南
【标准号】:ASTMG157-1998(2005)
【标准状态】:现行
【国别】:
【发布日期】:1998
【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】:(Guide)
【标准水平】:()
【中文主题词】:应力腐蚀分解;化学加工工业;裂隙腐蚀;一般腐蚀;铁基抗腐蚀合金;镍基抗腐蚀合金
【英文主题词】:chemicalprocessindustry;crevicecorrosion;generalcorrosion;iron-basecorrosionresistantalloys;nickel-basecorrosionresistantalloys;stresscorrosioncracking
【摘要】:Thisguideisintendedtoprovideaseriesofevaluationsthatwillassistengineersdealingwithchemicalenvironmentsinselectingappropriatealloys(1-3).Inchemicalenvironments,animportantissuefordetermininggeneralcorrosionresistanceisthetemperatureatwhichanalloytransitionsfromcorrosionatalowratetocorrosionatamuchhigherrate.Otherimportantconcernsincludethetendencytowardscrevicecorrosionandstresscorrosioncrackingresistance,especiallyinhotchloride-containingaqueousenvironments.Thisguideisalsointendedforalloydeveloperstoassisttheminchoosingenvironmentsandtestmethodsthatareofparticularinteresttothechemicalprocessindustries.Theuseofthisapproachwillallowdirectcomparisonstobemadeamongalloysfromvarioussuppliersand,thereby,toassistengineersinselectingthemostappropriatematerialsforfurthertestingtodeterminesuitabilityintheirapplication.1.1Thisguidecoversanevaluationapproachthatisdesignedtoprovideinformationonthecorrosionpropertiesofwroughtiron-andnickel-basedalloysforthechemicalprocessindustries.Thisguideincorporatestestconditionsforgeneralcorrosionmeasurementsinavarietyofenvironments,crevicecorrosionresistanceinchlorideenvironments,andstresscorrosioncrackingresistanceinchlorideenvironments.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesandtodeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H25
【国际标准分类号】:71_120_01;77_060
【页数】:6P.;A4
【正文语种】: