ASTMA153-A153M-2016

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1、Designation:A153/A153M−16aAmericanAssociationStateHighwayandTransportationOfficialsStandardAASHTONo.M232StandardSpeciÞcationfor1ZincCoating(Hot-Dip)onIronandSteelHardwareThisstandardisissuedunderthefixeddesignationA153/A153M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforigina

2、ladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*2.ReferencedDocuments21.

3、1Thisspecificationcoverszinccoatingsappliedbythe2.1ASTMStandards:hot-dipprocessonironandsteelhardware.Thehot-dipA90/A90MTestMethodforWeight[Mass]ofCoatingongalvanizingprocessconsistsofpartsbeingimmersedinmoltenIronandSteelArticleswithZincorZinc-AlloyCoatingszincforasufficienttimetoallowametal

4、lurgicalreactionA143/A143MPracticeforSafeguardingAgainstEmbrittle-betweenironfromthesteelsurfaceandthemoltenzinc,mentofHot-DipGalvanizedStructuralSteelProductsandresultingintheformationofZn/FealloylayersbondingtheProcedureforDetectingEmbrittlementcoatingtothesteelsurface.A780PracticeforRepai

5、rofDamagedandUncoatedAreasofHot-DipGalvanizedCoatings1.2Thisspecificationisintendedtobeapplicabletohard-A902TerminologyRelatingtoMetallicCoatedSteelProd-wareitemsthatarecentrifugedorotherwisehandledtoremoveuctsexcessgalvanizingbathmetal(freezinc).CoatingthicknessB6SpecificationforZincgraderequ

6、irementsreflectthis.B487TestMethodforMeasurementofMetalandOxide1.3FastenersthatmustcomplywiththeFastenerQualityCoatingThicknessbyMicroscopicalExaminationofActrequirespecificstatisticalsamplingduringtheinspectionCrossSectionofthefastenerlots.RequirementsforthesamplingoftheseB960SpecificationforP

7、rimeWesternGrade-RecycledfastenerscanbefoundinF2329/F2329M.(PWG-R)ZincE376PracticeforMeasuringCoatingThicknessby1.4ThisspecificationisapplicabletoordersineitherMagnetic-FieldorEddy-Current(Electromagnetic)Test-inch-poundunits(asA153)orinSIunits(asA1