This standard specifies the technical requirements and test methods for zinc electroplating coatings on iron and steel. This standard applies to zinc electroplating coatings for preventing steel corrosion under various service conditions. This standard does not apply to zinc coatings on unformed steel sheets, strips and wires, zinc coatings on steel close-wound springs, and zinc coatings for non-protective and decorative purposes.
GB/T 9799-1997 history
2011GB/T 9799-2011 Metallic and other inorganic coatings.Electroplated coatings of zinc with supplementary treatments on iron or steel
1997GB/T 9799-1997 Metallic coatings--Electroplated coatings of zinc on iron or steel