... :5tons FOB price:US$600-740/ Mt SGCD (DX52D+Z) galvanized steel sheet 1) standard: JIS G3002 GB/T251B 2) Grade: SGCC (DX51D ... -550 N/MM2StandardJIS G3002, GB/T251B,AS 1397, EN 101402,ASTM A653Grade SGCC,SGCD,SGCH,DX51D+Z,DX52D+Z,DX53D+Z ... -550 N/MM2StandardJIS G3002, GB/T251B,AS 1397, EN 101402,ASTM A653Grade SGCC,SGCD,SGCH,DX51D+Z,DX52D+Z,DX53D+Z ...