The surface of the aluminized and galvanized steel coil is characterized by smooth, flat and gorgeous stars, and its base color is silver-white. The special coating structure makes it have excellent corrosion resistance. The normal service life of aluminized galvanized sheet is up to 25a, and its heat resistance is good. Aluminized Zinc Coils can be used in high temperature environment at 315 C. The adhesion between coating and paint film is good, and it has good processing performance. It can be punched, sheared and welded. The surface conductivity is very good.