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【英文标准名称】:StandardSpecificationforZincCoating(Hot-Dip)onIronandSteelHardware
【原文标准名称】:钢铁制金属构件上镀锌层(热浸)的标准规范
【标准号】:ASTMA153/A153M-2005
【标准状态】:现行
【国别】:美国
【发布日期】:2005-04-01
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:锌覆层;钢;覆层;金属构件;涂覆的;钢产品;热浸镀锌
【英文主题词】:steelproducts;hot-dipgalvanizing;steels;coatings;zinccoatings;coated;hardware(furniture)
【摘要】:Thisspecificationcoverszinccoatingsappliedbythehot-dipprocessonironandsteelhardware.Thehot-dipgalvanizingprocessconsistsofpartsbeingimmersedinmoltenzincforasufficienttimetoallowametallurgicalreactionbetweenironfromthesteelsurfaceandthemoltenzinc,resultingintheformationofZn/Fealloylayersbondingthecoatingtothesteelsurface.Thisspecificationisintendedtobeapplicabletohard-wareitemsthatarecentrifugedorotherwisehandledtoremoveexcessgalvanizingbathmetal(freezinc).Coatingthicknessgraderequirementsreflectthis.Thisspecificationisapplicabletoordersineitherinch-poundunits(asA153)orinSIunits(asA153M).Inch-poundunitsandSIunitsarenotnecessarilyexactequivalents.Withinthetextofthisspecificationandwhereappropriateappropriate,SIunitsareshowninbrackets.Eachsystemshallbeusedindependentlyoftheotherwithoutcombiningvaluesinanyway.InthecaseoforderinSIunits,alltestingandinspecitionmethodasappropriate.InthecaseofordersinSIunits,suchshallbestatedtothegalvanizerwhentheorderisplaced.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A29
【国际标准分类号】:91_190
【页数】:5P.;A4
【正文语种】:英语