Galvanized steel sheet / plate Standard AISI, ASTM, BS, DIN, GB, JISSurface Structure Regular spangle,Minimum spangle, Zero spangle, Big spangle HRB Soft Hard (<60),Medium Hard (60-85), Full Hard (85-95) Surface Treatment Oiled (O), Chromium (C),Phosphating (P), SpinpassStandard SGCC/CGCC/DX51D/ASTM Width 800-1200 mm Certificate API, CE,JIS, ISO9001 Tolerance ±1% Processing Service Welding, Punching, Cutting, Bending, Decoiling Coating Z40-Z275