Hot-stamped body

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United States of America

PATENT NO 11285698
APP PUB NO 20210039355A1
SERIAL NO

16977042

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Abstract

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There is provided a hot-stamped body including: a steel base metal; and a metallic layer formed on a surface of the steel base metal, wherein the metallic layer includes: an interface layer that contains, in mass %, Al: 30.0 to 36.0%, has a thickness of 100 nm to 15 μm, and is located in an interface between the metallic layer and the steel base metal; and a principal layer that includes coexisting Zn phases and insular FeAl2 phases, is located on the interface layer, and has a thickness of 1 μm to 40 μm. This hot-stamped body is excellent in fatigue properties, corrosion resistance, and chipping resistance.

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Patent Owner(s)

Patent OwnerAddress
NIPPON STEEL CORPORATIONCHIYODA-KU TOKYO 100-8071

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Matsumura, Kenichiro Tokyo, JP 19 90
Mitsunobu, Takuya Tokyo, JP 51 54
Sengoku, Akihiro Tokyo, JP 17 31
Tokuda, Kohei Tokyo, JP 33 115

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