... 60g to 180g 1.Excellent waterproof performance2.Corrugated steel sheet can be bonded to various thermal insulating materials and ... steel sheets, galvanized steel sheets, galvalume (Al-Zn coated sheets) are available to make corrugated sheet.4.It has ... products, such as cold rolled, galvanized, galvalume, galvaneal, electric galvanized, silicon steel, pre-painted steel sheet in coils and so on, ...