... 7mm Width range:900-1250mm Inner diameter 508mm regular spangle galvanized steel coil (galvanized steel coil, corrugated sheet, open flat)Thickness range: ... : Cold rolled steel coilZinc coating: 60-275g/m2 Surface treatment: Chromated, unoiled, bright, regular spangle, tension levelledCarry ... , and U-post light , steel corner bead, and construction building . regular spangle galvanized steel coil