GB/T 9797-1997 《Metallic coatings--Electrodeposited coatings of nickel plus chromium and of copper plus nickel plus chromium》 Related products

GB/T 9797-1997 "Metal Coatings, Nickel + Chromium and Copper + Nickel + Chromium Electrodeposited Layers", specifies the technical requirements for nickel + chromium and copper + nickel + chromium electrodeposited layers on metal surfaces, covering Appearance mass, platings Film thickness, bonding strength, corrosion resistance performance and other indicators, clear test methods, inspection rules and Encasement, signs, etc. The standard provides a basis for standardizing the production and mass testing of such electrodeposited layers, ensuring platings protection and decoration performance, and improving the quality of related metal products.