Title:
HIGH-STRENGTH STEEL SHEET HAVING EXCELLENT IMPACT PROPERTIES AND FORMABILITY AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2019/124688
Kind Code:
A1
Abstract:
An aspect of the present invention relates to a high-strength steel sheet having tensile strength of 980MPa or higher and, more specifically, to a high-strength steel sheet having low yield strength, high bendability, excellent ductility and enhanced formability.
Inventors:
AHN YEON-SANG (KR)
SEO CHANG-HYO (KR)
CHOI KANG-HYUN (KR)
SEO CHANG-HYO (KR)
CHOI KANG-HYUN (KR)
Application Number:
PCT/KR2018/011679
Publication Date:
June 27, 2019
Filing Date:
October 02, 2018
Export Citation:
Assignee:
POSCO (KR)
International Classes:
C22C38/38; C21D8/04; C21D9/46; C22C38/22; C22C38/26; C22C38/28; C22C38/60
Foreign References:
| KR20130087616A | 2013-08-06 | |||
| KR20130074503A | 2013-07-04 | |||
| KR20160078570A | 2016-07-05 | |||
| JP5958667B1 | 2016-08-02 | |||
| JP2013234340A | 2013-11-21 | |||
| JP2011153368A | 2011-08-11 | |||
| JPH04289120A | 1992-10-14 | |||
| JP2005264176A | 2005-09-29 | |||
| KR20150073844A | 2015-07-01 | |||
| JP2010090432A | 2010-04-22 |
Other References:
See also references of EP 3730635A4
Attorney, Agent or Firm:
C&S PATENT AND LAW OFFICE (KR)
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