Steel sheet for hot press formed member having excellent resistance to hydrogen delayed fracture and method for manufacturing thereof

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United States of America Patent

PATENT NO 11801664
APP PUB NO 20220250353A1
SERIAL NO

17728396

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Abstract

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Provided is a steel sheet for a hot press formed member having excellent resistance to hydrogen delayed fracture, and a method for manufacturing the same. A steel sheet for a hot press formed member comprises: a base steel sheet; an aluminum alloy plating layer on a surface of the base steel sheet; and an oxide layer which is formed on a surface of the plating layer and has a thickness of 0.05 μm or more.

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Patent Owner(s)

  • POSCO CO., LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cho, Yeol-Rae Jeollanam-do, KR 45 214
Kim, Seong-Woo Gwangyang-si, KR 75 237
Oh, Jin-Keun Gwangyang-si, KR 68 270

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