abstract |
A zinc-based metal plated steel sheet excellent in formability having a phosphate film on the surface thereof, characterized in that the phosphate film contains a polyolefin wax or a modified polyolefin wax; a method for producing the galvanized steel sheet, characterized in that it comprises subjecting a surface of a galvanized steel sheet to a phosphate treatment and then applying an aqueous solution containing a polyolefin wax or a modified polyolefin wax, a phosphate ion and a polyvalent metal ion to the resultant steel sheet, followed by drying. |