Title:
HIGH-STRENGTH STEEL SHEET HAVING EXCELLENT FORMABILITY, AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2021/256862
Kind Code:
A1
Abstract:
The present invention provides a high-strength steel sheet suitable for automobile structural members, etc., and a method for manufacturing same, wherein the high-strength steel sheet has a low yield ratio and high strength and has excellent formability by means of an enhanced ductility.
Inventors:
KIM SUNG-KYU (KR)
PARK JUN-HO (KR)
SEO CHANG-HYO (KR)
CHOI EUL-YONG (KR)
HAN SANG-HO (KR)
PARK JUN-HO (KR)
SEO CHANG-HYO (KR)
CHOI EUL-YONG (KR)
HAN SANG-HO (KR)
Application Number:
PCT/KR2021/007573
Publication Date:
December 23, 2021
Filing Date:
June 16, 2021
Export Citation:
Assignee:
POSCO (KR)
International Classes:
C22C38/04; B21C47/02; C21D8/02; C22C38/02; C22C38/12; C22C38/14
Foreign References:
| KR20140041838A | 2014-04-04 | |||
| KR20150075311A | 2015-07-03 | |||
| JP2000026921A | 2000-01-25 | |||
| KR20100101697A | 2010-09-17 | |||
| US20030047257A1 | 2003-03-13 | |||
| JP2005264176A | 2005-09-29 | |||
| KR20150073844A | 2015-07-01 | |||
| JPH04289120A | 1992-10-14 |
Attorney, Agent or Firm:
C&S PATENT AND LAW OFFICE (KR)
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