欢迎来到天天文库
浏览记录
ID:56926848
大小:36.78 KB
页数:4页
时间:2020-07-25
《ASTM A153-03美标热镀锌标准.pdf》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、AmericanAssociationStateHighwayDesignation:A153/A153M–03andTransportationOfficialsStandardAASHTONo.M232StandardSpecificationfor1ZincCoating(Hot-Dip)onIronandSteelHardwareThisstandardisissuedunderthe®xeddesignationA153/A153M;thenumberimmediatelyfollowingthedesignationindicatesth
2、eyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope
3、A902TerminologyRelatingtoMetallicCoatedSteelProd-ucts21.1Thisspeci®cationcoverszinccoatingsappliedbytheB6Speci®cationforZinc(SlabZinc)3hot-dipprocessonironandsteelhardware.1.2Thisspeci®cationisintendedtobeapplicabletohard-B487TestMethodforMeasurementofMetalandOxidewareitemstha
4、tarecentrifugedorotherwisehandledtoremoveCoatingThicknessesbyMicroscopicalExaminationofaCrossSection4excessgalvanizingbathmetal(freezinc).Coatingthicknessgraderequirementsre¯ectthis.B602TestMethodforAttributeSamplingofMetallicandInorganicCoatings41.3Thisspeci®cationisapplicabl
5、etoordersineitherinch-poundunits(asA153)orinSIunits(asA153M).E376PracticeforMeasuringCoatingThicknessbyInch-poundunitsandSIunitsarenotnecessarilyexactMagnetic-FieldorEddy-Current(Electromagnetic)TestMethods5equivalents.Withinthetextofthisspeci®cationandwhereappropriate,SIunits
6、areshowninbrackets.EachsystemshallF1470GuideforFastenerSamplingforSpeci®edMechani-calPropertiesandPerformanceInspection6beusedindependentlyoftheotherwithoutcombiningvaluesinF1789TerminologyforF16MechanicalFasteners6anyway.InthecaseofordersinSIunits,alltestingandinspectionshall
7、bedoneusingthemetricequivalentofthetest3.Terminologyorinspectionmethodasappropriate.InthecaseofordersinSIunits,suchshallbestatedtothegalvanizerwhentheorderis3.1De®nitions:placed.3.1.1Thefollowingtermsandde®nitionsarespeci®ctothis1.4Thisstandarddoesnotpurporttoaddressallofthesp
8、eci®cation.TerminologyA902containsothertermsandsafetyconcerns
此文档下载收益归作者所有