| 摘要 |
PROBLEM TO BE SOLVED: To provide a technique which enables hot press forming of a high- tensile steel sheet otherwise hardly press formable and can secure corrosion resistance without the necessity for a posttreatment for securing corrosion resistance. SOLUTION: On the surface of a zinc-base plating layer, a plating layer of at least one metal or alloy selected from among Fe, Co, Ni, and their alloys is formed as a barrier layer.
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