Title:
HIGH STRENGTH STEEL SHEET HAVING EXCELLENT WORKABILITY AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2022/131628
Kind Code:
A1
Abstract:
The present invention relates to a steel sheet which can be used for automobile parts and the like, and relates to a steel sheet and a method for manufacturing same, the steel sheet having an excellent balance between strength and ductility, an excellent balance between strength and hole expansion properties, and an excellent yield ratio evaluation score.
Inventors:
LEE JAE-HOON (KR)
HAN SANG-HO (KR)
HAN SANG-HO (KR)
Application Number:
PCT/KR2021/017997
Publication Date:
June 23, 2022
Filing Date:
December 01, 2021
Export Citation:
Assignee:
POSCO (KR)
International Classes:
C22C38/00; C21D8/02; C21D9/46; C22C38/02; C22C38/04; C22C38/06; C22C38/60
Domestic Patent References:
| WO2018221307A1 | 2018-12-06 |
Foreign References:
| KR102178731B1 | 2020-11-16 | |||
| KR20200036759A | 2020-04-07 | |||
| US20200316807A1 | 2020-10-08 | |||
| JP2013019047A | 2013-01-31 | |||
| KR20060118602A | 2006-11-23 | |||
| JP2009019258A | 2009-01-29 | |||
| JP2016216808A | 2016-12-22 |
Attorney, Agent or Firm:
C&S PATENT AND LAW OFFICE (KR)
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