Galvenized steel coil and Gi 1,Certificate:ISO 9001 2,Matrl:SGCC,DX51D,Q195 3,Size:0.16-2.0*30-1250mm GI STEEL COILs The main specification is as belows: Standards: GB/T 12754, JIS G 3302, ASTM A653M, Q/CHG 2-2003Thickness: 0.14-2.0mm; Width: 30-1250mmTolerance : +2/0mm,thickness tolerance :+0.03/-0.03mm (or according to customers' request).Coating mass: 50-200g/m2Coil weight: 5-8 metric tonsCoil ...