dx51d galvanized steel coil steel grade: SPCC, SGCC, DX51D thickness: 0.17~4.0mm width: below 1500mm hot dipped galvanized steel coil1). Standards: GB/ ... : SGCC, SGCD1, SGCD2,DX51D+Z, DX52D+Z, DX53D+D,etc2)Thickness: 0.17~4.0mm. Thickness tolerance: +-0 ... DX52D+Z, DX53D+D,etcSurfaceChromated, unoiled/oiled, minimum or regular spangle Mill:Tianjin steel HEbei steel PackagingStandard export sea-worthy ...