摘要 |
<p>PURPOSE: A metal coated steel sheet, a galvanized steel sheet, and a manufacturing method thereof are provided to improve the quality of a plated steel sheet by preventing plating failures caused by the formation of Mn, Si, or Al oxide on the surface of the steel sheet. CONSTITUTION: A metal coated steel sheet comprises a coating layer containing metal whose Gibbs' free energy is higher than that of Fe and an oxide of the metal. The steel sheet comprises 0.2 weight% or more of one or more selected from the group consisting of Si, Mn, and Al and 0.01 weight% of one or more selected from the group consisting of Ti, B, and Cr.</p> |