1. The base material of color coated sheet is galvanized steel or galvanized alloy steel.
2, the color steel coil is a composite material, also known as color coated steel plate, which is made by coating chemical coatings on the production line continuously after surface degreasing and phosphating, and then coated with organic coatings. Color steel rolls are a kind of composite material, both with steel plate and organic material. Both the mechanical strength and the easy forming performance of the steel plate, and the good decoration and corrosion resistance of the organic materials.
3. The welded steel plate with hot dipped or galvanized layer is called galvanized steel sheet.