... of galvanized steel coil: JIS G3302, GB/T251B, EN10327, ASTMA653,7) Grade of galvanized steel coil: SGCC (DX51D+Z), SGCD (DX52D+Z),8) Surface finish of galvanized steel coil: Normal ... ,11) Coil weight: 3-8MT, According to Clients' requests,12) Standard: JIS G3312 or EN 10142, commercial quality of the Steel base,13 ...