Title:
HIGH-STRENGTH HOT-ROLLED STEEL SHEET HAVING EXCELLENT BENDABILITY AND LOW-TEMPERATURE TOUGHNESS AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2019/124776
Kind Code:
A1
Abstract:
The present invention relates to a hot-rolled steel sheet utilized as material for heavy machinery, vehicle frames, and the like, and more specifically to a high-strength hot-rolled steel sheet having excellent bendability and low-temperature toughness and a method for manufacturing same.
Inventors:
KIM SUNG-IL (KR)
KANG HEE-SUNG (KR)
TAK HYUN-SEOK (KR)
KANG HEE-SUNG (KR)
TAK HYUN-SEOK (KR)
Application Number:
PCT/KR2018/014462
Publication Date:
June 27, 2019
Filing Date:
November 22, 2018
Export Citation:
Assignee:
POSCO (KR)
International Classes:
C22C38/22; C21D8/02; C21D9/46; C22C38/04; C22C38/26; C22C38/28; C22C38/32
Domestic Patent References:
| WO2016021195A1 | 2016-02-11 |
Foreign References:
| KR20140068206A | 2014-06-05 | |||
| KR20160079165A | 2016-07-06 | |||
| KR20170086099A | 2017-07-25 | |||
| KR20130046942A | 2013-05-08 | |||
| EP2646582A1 | 2013-10-09 | |||
| JP2010196163A | 2010-09-09 | |||
| US20160333440A1 | 2016-11-17 | |||
| US7699947B2 | 2010-04-20 |
Other References:
See also references of EP 3730647A4
Attorney, Agent or Firm:
C&S PATENT AND LAW OFFICE (KR)
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