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Title:
HIGH-STRENGTH STEEL SHEET HAVING EXCELLENT DUCTILITY AND LOW-TEMPERATURE TOUGHNESS AND METHOD FOR MANUFACTURING THEREOF
Document Type and Number:
WIPO Patent Application WO/2020/111856
Kind Code:
A3
Abstract:
The present invention relates to a structural steel sheet suitable for ships or steel structures and, more particularly, to a high-strength steel sheet having excellent ductility and low-temperature toughness and a method for manufacturing same.

Inventors:
KIM SANG HO (KR)
BANG KI-HYUN (KR)
Application Number:
PCT/KR2019/016692
Publication Date:
August 13, 2020
Filing Date:
November 29, 2019
Export Citation:
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Assignee:
POSCO (KR)
International Classes:
C21D8/02; C22C38/04; C22C38/00; C22C38/02; C22C38/06; C22C38/08; C22C38/12; C22C38/14
Foreign References:
JP3849244B22006-11-22
KR20090069871A2009-07-01
JP4728710B22011-07-20
JPS569314B21981-02-28
JP2008179878A2008-08-07
Attorney, Agent or Firm:
C&S PATENT AND LAW OFFICE (KR)
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