Steel sheet for hot stamping, method of manufacturing the same, and hot stamped steel sheet member

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United States of America

PATENT NO 10570470
APP PUB NO 20150284819A1
SERIAL NO

14417963

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Abstract

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A steel sheet for hot stamping includes a predetermined chemical composition containing: C: 0.08% or more and less than 0.20%; Si: 0.003% to 0.2%; Mn: 1.6% to 3.5%, and others, and further includes a steel structure expressed by, in an area ratio: bainite: 1% to 95%; ferrite: 5% to 94%; and balance: one or more selected from the group consisting of pearlite, martensite and retained austenite. When an Mn content is represented by [Mn], a C content is represented by [C], an expression of “[Mn]+6.67×[C]−2.73≥0” is satisfied.

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Patent Owner(s)

  • 501 NIPPON STEEL CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hikida, Kazuo Tokyo, JP 45 89
Tamaki, Akari Tokyo, JP 2 11

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