What is the difference between galvanized and …
Galvannealed steel is very conducive to forming, welding and allows for excellent paint adhesion. Galvannealed steel is the preferred coated steel for use in architectural applications. Specification - ASTM A 653/A 653M, coating designation "A" (A60, A40) Galvanized Steel - zinc-coated by the hot-dip process, resulting in a full spangled ...