... :Z50-Z150 Color:Ral color code according to customer. Prepainted steel coil&sheetStandard:SGCC,DX51D,GBT12754-2006,ASTMA755,JISG3312,EN10169Base material:Hot ... dipped galvanized steel coil or hot dipped galvalume steel coilHardness:G280mm,G300,G350,G400,G550.Thickness:0 ... by LC at sight,or 100%LC at sight. Prepainted steel coil &sheet