| 摘要 |
<p>An alloyed zinc dip galvanized steel sheet excellent in surface appearance and press workability, characterized in that it comprises a steel sheet having a chemical composition in mass %: C: 0.001 to 0.005, Si: 0.010 to 0.040 %, Mn: 0.05 to 0.25 %, P: 0.010 to 0.030 % and balance: Fe and inevitable impurities, with the proviso that the above Si, Mn and P satisfy the formula: 0.030 % ≤ Si + P + Mn/20 ≤ 0.070 %, and, formed on at least one surface of the sheet, an alloyed zinc dip galvanizing layer.</p> |
