GBT 13912-92标准（英文版）

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1、.NationalStandardofthePeople’sRepublicofChinaGB/T13912-92MetallicCoatings-HotDipGalvanizedCoatingsonFabricatedFerrousProducts-SpecificationIssuedate:Dec.1st,1992Implementationdate:Oct.1st,1993IssuedbyStateBureauofTechnicalSupervisionGB/T13912-92NationalStandard

2、ofthePeople’sRepublicofChinaMetallicCoatings-HotDipGalvanizedCoatingsonFabricatedFerrousProducts-SpecificationGB/T13912-92ThisstandardreferredinternationalstandardISO1459-1973(E)“Metalliccoatings-Protectionagainstcorrosionbyhotdipgalvanizing-Guidingprinciples.”

3、andISO1461-1973(E)“Metalliccoatings-Hotdipgalvanizedcoatingsonfabricatedferrousproducts-Requirements”.1.ContentsandScopeThisstandardspecifiesthetechnicalrequirementsofhotdipgalvanizedcoatingsonfabricatedferrousproducts.Thisstandardisapplicabletotheanti-corrosio

4、nhotdipgalvanizedcoatingsonfabricatedferrousproducts.Thisstandardisnotapplicabletothehotdipgalvanizedcoatingsonthesteelwire,tubematerialandsheetmetalwhicharenotthroughtheformingprocess.Thisstandarddoesnotspecifythenatureandthesurfaceconditionsofthematrixmateria

5、lbeforethehotdipgalvanization.Forthematrixmaterialthatwouldhavetheimpactontheeffectofthehotdipgalvanization,pleaseseeAnnexA(informative).Thisstandarddoesnotspecifythepost-treatmentofthehotdipgalvanizedproducts.2.NormativeReferencesGB2828Samplingproceduresandtab

6、lesforlot-by-lotinspectionbyattributesGB4956Non-magneticCoatingsonMagneticSubstrate-MeasurementofCoatingThickness-MagneticMethodGB12334Metallicandotherinorganiccoatings-Definitionsandconventionsconcerningthemeasurementofthickness.GB/T13825Metalliccoatings-Deter

7、minationofthemassforhotdipgalvanizedcoatingsonferrousmaterials-Gravimetricmethod.3.Definitions3.1HotdipgalvanizationRefertotheprocessandmethodofimmersingthesteelpartsorcastingsintothemoltenzincsolutiontoformthezinc-ironalloyorzincandzinc-ironalloycoatingsonthes

8、urfaces.3.2Hotdipgalvanizedcoatings(coatingsforshort)Thezinc-ironalloyorzincandzinc-ironalloycoatingsobtainedbyhotdipgalvanization.3.3MainsurfaceRefertocertainsurfaceonthefe