| 摘要 |
<p>The present invention provides phosphate-treated galvanized steel sheet excellent in corrosion resistance and paintability, including: a phosphate-treated galvanized steel sheet excellent in corrosion resistance and paintability, comprising a phosphate film in an amount of at least 0.5 g/m<2>, containing at least 2 wt.% of Mg, and at least 0.5 wt.% in total of Ni and/or Mn, with at least 4 wt.% in total of Mg and Ni and/or Mn, formed on a zinc or zinc alloy plated steel sheet; and a phosphate-treated galvanized steel sheet excellent in corrosion resistance and paintability, comprising a phosphate film in an amount of at least 0.3 g/m<2>, preferably at least 1 g/m<2>, containing at least 2 wt.% of Mg, and at least 0.5 wt.% in total of Ni and/or Mn, with at least 5 wt.% in total of Mg and Ni and/or Mn, formed on a zinc or zinc alloy plated steel sheet.</p> |
