galvanized steel coils 1) STANDARD: GB/T2518-2004, JIS G3302-2005, EN10326 10327, ASTM A653M 2) MATERIAL: SGCC, SGHC, DX51D+Z, galvanized steel coils1) ... STANDARD: GB/T2518-2004, JIS G3302-2005, EN10326 10327, ASTM A653M2) MATERIAL: SGCC, SGHC, DX51D+Z, CS ... SPANGLE: REGULAR SPANGLE, MAXIMUM SPANGLE, MINIMIZE SPANGLE, ZERO SPANGLE galvanized steel coils