... 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, matt surface,9 ... requests12) Standard: JIS G3312 or EN 10142, commercial quality of the Steel base.13) Packing: Standard export14) Applications: C-CHANNEL, Z-CHANNEL ...