This I nternational Standard applies to electrodeposited zinc and zinc-alloy coatings on iron and steel wi th Cr(VI )-free passivation. The zinc-alloy coatings contain nickel or iron as alloying elements (referred to as zincjnickel and zincjiron coatings , respectively).
The main purpose of the coatings or coating systems is protecting iron and steel components against corrosion.
