| 摘要 |
PROBLEM TO BE SOLVED: To provide a steel sheet which has satisfactory galvanizing adhesion and corrosion resistance even when worked with a press or rolls. SOLUTION: The hot dip Zn-Al-Mg-Zr alloy galvanized steel sheet is provided with a galvanized film having a composition containing, by mass, 1 to 22% Al, 1 to 10% Mg, 0.001 to 2% Zr, and one or more kinds selected from Ca, Mn, Cu, Sr, Ba, Li, Ga and mish metals by 0 to 0.5% in total, and the balance Zn with impurities.
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