| 摘要 |
<p>Disclosed is an Al-Zn-based hot-dip plated steel sheet having a Si- and Mn-containing steel sheet as the steel sheet base and having excellent plating appearance and corrosion resistance. The content of Al in the Al-Zn plating layer is 20-95 mass%. Also, the Ca content in the aforementioned Al-Zn plating layer is 0.01-10 mass%. Or, the total content of Ca and Mg is 0.01-10 mass%. Furthermore, in the steel sheet surface portion within 100µm from the surface of the steel sheet base directly below the Al-Zn plated layer, there is per side a total of 0.06 g/m2 or less oxides of at least one species chosen from Fe, Si, Mn, Al, P, B, Nb, Ti, Cr, Mo, Cu and Ni.</p> |
