GB/T 41950-2022 《Metallic coatings—Electroplated coatings of zinc and zinc alloys on iron or steel with supplementary Cr(Ⅵ)-free treatment》 Related products

GB/T 41950-2022 specifies the requirements for zinc and zinc alloy platings without hexavalent chromium treatment on steel. The standard covers the technical characteristics, test methods, inspection rules, etc. of platings, clarifies the process specifications and mass standards for hexavalent chromium treatment, guarantees the corrosion resistance and other performance of platings, promotes the development of green Eletroplating process, and provides scientific basis and technical guidance for the production, mass inspection and acceptance of zinc and zinc alloy platings on steel surfaces.