HotDip Galv anized Zinc P aint Galv anized Sheet Electroplated Metallized 1 mi l TECHNICAL INFORMA TION F or an optimal coating steel has to be selected wisely F ollowing information is based on ASTM A 385 Gener ally galv anized coatings are chosen for their anticorrosive properties not for their appear ance T he relative corrosion resistance of the normal or abnormal coating is in all consider ations equal T ypes of zinc coatings Steel Selection T ype of coating zinc 19