... 600mm-1250mm 3).zinc:60g-275g Galvanized steel, hot dipped galvanized steel, GIFeature:pre-painted steel coils1.quality standard :GB/T12574 ... ; EN10147; ASTM A755M Feature2.steel grade:TSGCC,CGCC,DX51D3.Base material:galvanized steel coil HDG.GZ4.Zinc coating ... weight coil:3-8 ton12.ID:508mm or 610mm13.quantity:25MT min as a trial order galvanized steel, galvanized iron, GI, hop-dipped galvanized steel ...