Plated steel sheet having excellent fusion resistance, and manufacturing method therefor

Abstract

A plated steel sheet having excellent fusion resistance, and a manufacturing method. therefor are provided. Provided is a hot forming plated steel sheet having a plated layer formed on one surface or the both surfaces of a base steel sheet and having excellent fusion resistance, wherein a surface layer portion of the plated layer is comprised of an hard alloy layer with a surface area ratio of 1% or more including hard alloy phases, the hard alloy layer having a thickness of 0.1-100 μm, and a balance of a soft plating layer, wherein the hard alloy phases comprise Al, Zn, Mg, Si, Fe and a balance of unavoidable impurities, a sum of Al, Zn and Fe being 70 wt % or more on the basis of weight % thereof.

Dependencies are inferred from the claim text.