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Patent Searching and Data


Title:
STEEL SHEET FOR HOT PRESS FORMED MEMBER HAVING EXCELLENT RESISTANCE TO HYDROGEN DELAYED FRACTURE, AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2018/221989
Kind Code:
A1
Abstract:
The present invention relates to 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 according to one aspect of the present invention may comprise: a base steel sheet; an aluminum alloy plated layer on a surface of the base steel sheet; and an oxide layer which is formed on a surface of the plated layer and has a thickness of 0.05 μm or more.

Inventors:
KIM, Seong-Woo (20-26 Pokposarang-gil,Gwangyang-si, Jeollanam-do, 57807, KR)
OH, Jin-Keun (20-26 Pokposarang-gil,Gwangyang-si, Jeollanam-do, 57807, KR)
CHO, Yeol-Rae (20-26 Pokposarang-gil,Gwangyang-si, Jeollanam-do, 57807, KR)
Application Number:
KR2018/006255
Publication Date:
December 06, 2018
Filing Date:
May 31, 2018
Export Citation:
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Assignee:
POSCO (6261, Donghaean-ro Nam-gu,Pohang-si, Gyeongsangbuk-do, 37859, KR)
International Classes:
B21D35/00; B21D22/02; C23C26/00
Attorney, Agent or Firm:
C&S PATENT AND LAW OFFICE (7th Floor, Daelim Acrotel13 Eonju-ro 30-gil,Gangnam-gu, Seoul, 06292, KR)
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