... SGCC (DX51D+Z), SGCD (DX52D+Z) 3) Surface finish: regular spangle and zero spangle4) Thickness: 0.13-4.5mm 5 ... chromated, oiled,unoiled, zero spangle,small spangle ,regularspangle, large spangle,tension leveled,flat surface,matt surface.Width1000,1219,1220 ... chromated, oiled,unoiled, zero spangle,small spangle ,regularspangle, large spangle,tension leveled,flat surface,matt surface.Width900/1000/1200 ...