0.45 mm galvanized roofing sheet steel grade: SPCC, SGCC, DX51D thickness: 0.17~4.0mm width: below 1500mm hot dipped galvanized steel coil1 ... Z, DX53D+D,etc2)Thickness: 0.17~4.0mm. Thickness tolerance: +-0.02mm Width: 600mm~1500mm; 762MM/914MM1000MM/1250MM/1500MM3). Zinc ... base plate, color coating, and so on Thickness0.17mm-4.0mmWidth762MM/914MM1000MM/1250MM/1500MMStandardGB/T2518, JIS G 3302, DIN EN ...