| 摘要 |
PROBLEM TO BE SOLVED: To produce a hot dip Zn-Al series plated steel sheet excellent in corrosion resistance and blackening resistance. SOLUTION: As to this hot dip Zn-Al series plated steel sheet excellent in corrosion resistance and blackening resistance, in a hot dip Zn-Al series plated steel sheet having a plating layer containing, by weight, 0.1 to 70% Al, and the balance Zn with inevitable impurities, the surface of the plating layer is provided with a film layer containing one or two or more kinds of Co compounds by 0.01 to 80 wt.% in the total content.
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