... strength: 315-430n/mm2,6) Standard 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 spangle, large spangle, small spangle, ... G3312 or EN 10142, commercial quality of the Steel base.13) Packing: Standard export,14) Applications: ...