Features: 1) Thickness: 0.28 - 2.8mm 2) Width: 32 - 1250mm 3) Surface finish: normal spangle, mini spangle 4) Zinc coating: 80 - 275g/m2 5) Tolerance: JIS G3302, ASTM A653 6) Standard: Q195,Q215,JIS G3302, ASTM A653 Surface treatment: 1) Chromate and passivation 2) Oiling (optional) 3) Each side of the coils will be slightly oiled for protection against rust