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Title:
HIGH STRENGTH STEEL SHEET HAVING EXCELLENT WORKABILITY, AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2022/131626
Kind Code:
A1
Abstract:
The present invention relates to: a steel sheet which can be used for automobile parts and the like, and which has an excellent balance of strength and ductility, an excellent balance of strength and hole expansibility, and an excellent yield ratio evaluation index; and a method for manufacturing the steel sheet.

Inventors:
LEE JAE-HOON (KR)
JUNG KI-TAEK (KR)
Application Number:
PCT/KR2021/017995
Publication Date:
June 23, 2022
Filing Date:
December 01, 2021
Export Citation:
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Assignee:
POSCO (KR)
International Classes:
C22C38/00; C21D8/02; C21D9/46; C22C38/02; C22C38/04; C22C38/06; C22C38/60
Foreign References:
KR20180125560A2018-11-23
US20200316807A12020-10-08
KR102178731B12020-11-16
JP2018197380A2018-12-13
JP2017053001A2017-03-16
KR20200003010A2020-01-08
KR20060118602A2006-11-23
JP2009019258A2009-01-29
JP2016216808A2016-12-22
Attorney, Agent or Firm:
C&S PATENT AND LAW OFFICE (KR)
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