Zinc Phosphating is a conversion coating wherein the metal surface mostly iron and steel are converted into their corresponding metal phosphates by chemical reactions. Zinc phosphate coatings are used for corrosion resistance, as a lubricant-holding layer, and as a paint/coating base. It is widely used in the wire drawing works, automotive industry and in certain sectors of the appliance and electronics industries.Zinc phosphate coatings play a key role in holding lubrication for the component to be forged / cold worked subsequently.