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【英文标准名称】:StandardSpecificationforElectrodepositedCoatingsofZinconIronandSteel
【原文标准名称】:铁和钢中锌电镀层用标准规范
【标准号】:ASTMB633-2007
【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】:B08.08.04
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:覆层;电镀层;紧固件;镀锌;铁;金属覆层;金属的;金属;钢;表面处理;锌
【英文主题词】:electrodepositedcoatings,zinc;electrodepositedcoatings,passivates,chromates
【摘要】:1.1Thisspecificationcoversrequirementsforelectrodepositedzinccoatingsappliedtoironorsteelarticlestoprotectthemfromcorrosion.Itdoesnotcoverelectrodepositedzinc-coatedsteelwireorsheets(seeSpecificationA591/A591Mforsheets).1.2Thecoatingsareprovidedinfourstandardthicknessclasses(4.1),intheas-platedconditionorwithoneofthreetypesofsupplementaryfinish(4.2).1.3Highstrengthmetals,unlessotherwisespecified,includinghighstrengthsteelshavingatensilestrengthgreaterthan1700MPa(247ksiRc46)shallnotbeelectroplated.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.4ThisstandardhasbeenrevisedtoaddressRoHSrequirementsthatseektolimittheexposureofworkersandthepublicfromexposuretotoxicmetals.Additionaltypeshavebeenaddedtopermitnon-chromatepassivatetreatmentstobeusedinreplacementofhexavalentchromium.
【中国标准分类号】:A29
【国际标准分类号】:25_220_40
【页数】:6P.;A4
【正文语种】: