dx51d galvanized steel coil steel grade: SPCC, SGCC, DX51D thickness: 0.17~4.0mm width: below 1500mm hot dipped galvanized steel coil1). Standards: GB/T2518, JIS G 3302, DIN ... )Chromated, (un)Oiled, zero spangle, regular spangle. Big spangle. 4). Quality: No Joint, No Bends, no spots, no roller marks. MTC ...