Specification: Q195, Q215, DX51D, S320GD, SGCC. 1) Thickness: 0.50mm to 3.00mm 2) Width: 50mm to 350mm 3) Zinc coating: Z08,Z12,Z18,Z20,Z22, Z25,Z27 4) Surface Finish: Regular spangle 5) Surface treatment: Chromated treatment 6) Tolerance according to requirement by GB/T 2518-2004 or ASTM A653 Coil ID: From 400mm to 508mm(20 inch); OD: From 900mm to 1008mm Standard: GB/T 2518-2004 or ASTM A653 Your inquiry by fax or mail to claim for spec details and price info is welcome!