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1、Designation:A123/A123M–02StandardSpecificationforZinc(Hot-DipGalvanized)CoatingsonIronandSteel1ProductsThisstandardisissuedunderthe®xeddesignationA123/A123M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyea
2、roflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scopeshallbedoneusingthemetricequivalentof
3、thetestor1.1Thisspeci®cationcoverstherequirementsforzincinspectionmethodasappropriate.InthecaseofordersinSIcoating(galvanizing)bythehot-dipprocessonironandsteelunits,suchshallbestatedtothegalvanizerwhentheorderisproductsmadefromrolledpressedandforgedshapes,casti
4、ngs,placed.plates,bars,andstrips.2.ReferencedDocuments1.2Thisspeci®cationcoversbothunfabricatedproductsandfabricatedproducts,forexample,assembledsteelproducts,2.1ASTMStandards:structuralsteelfabrications,largetubesalreadybentorweldedA47/A47MSpeci®cationforFerrit
5、icMalleableIronCast-ings2beforegalvanizing,andwireworkfabricatedfromuncoatedsteelwire.Thisspeci®cationalsocoverssteelforgingsandironA90/A90MTestMethodforWeight[Mass]ofCoatingonIronandSteelArticleswithZincorZinc-AlloyCoatings3castingsincorporatedintopiecesfabrica
6、tedbeforegalvanizingorwhicharetoolargetobecentrifuged(orotherwisehandledA143PracticeforSafeguardingAgainstEmbrittlementoftoremoveexcessgalvanizingbathmetal).Hot-DipGalvanizedStructuralSteelProductsandProce-dureforDetectingEmbrittlement3NOTE1ÐThisspeci®cationcove
7、rsthoseproductspreviouslyaddressedA153/A153MSpeci®cationforZincCoating(Hot-Dip)oninSpeci®cationsA123-78andA386-78.3IronandSteelHardware1.3Thisspeci®cationdoesnotapplytowire,pipe,tube,orA384/A384MPracticeforSafeguardingAgainstWarpagesteelsheetwhichisgalvanizedons
8、pecializedorcontinuousandDistortionDuringHot-DipGalvanizingofSteelAs-lines,ortosteellessthan22gage(0.0299in.)[0.76mm]thick.semblies31.4Thegalvanizingofhardwareitemsth
