RatnerPrestia
Steel sheet for hot pressing and method of manufacturing hot-pressed part using steel sheet for hot pressing
In order to provide a steel sheet for hot pressing from which a hot-pressed part excellent in perforation corrosion resistance is obtainable and a method of manufacturing a hot-pressed part using the steel sheet for hot pressing, provided is a steel sheet for hot pressing having, sequentially on a surface of a base steel sheet: a plating layer I containing 60% by mass or more of Ni and the remainder consisting of Zn and inevitable impurities, a coating mass thereof being 0.01 to 5 g/m2; and a plating layer II containing 10 to 25% by mass of Ni and the remainder consisting of Zn and inevitable impurities, a coating mass thereof being 10 to 90 g/m2.
JFE Steel Corporation
C Y C C B C C B C C Y C C C C B C C C C C Y C Y C C Y C B Y B C
C22C Y10T C22C C23C B32B C23C C22C B32B C21D C23C Y10T C23C C22C C22C C25D B21D C22C C25D C25D C22C C22C Y10T C22C Y10T C25D C22C Y10T C22C B21D Y10T B32B C21D
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Seiji Hiroki Tatsuya
Nakajima Nakamaru Miyoshi