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Title:
HIGH-STRENGTH STEEL SHEET HAVING SUPERIOR WORKABILITY, AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2021/125595
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 having a superior strength-ductility and strength-hole expansibility balance and superior bending workability, and a method for manufacturing same.

Inventors:
LEE JAE-HOON (KR)
IM YOUNG-ROC (KR)
Application Number:
PCT/KR2020/016650
Publication Date:
June 24, 2021
Filing Date:
November 24, 2020
Export Citation:
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Assignee:
POSCO (KR)
International Classes:
C22C38/04; C21D8/02; C21D9/68; C22C38/00; C22C38/02; C22C38/06
Domestic Patent References:
WO2018221307A12018-12-06
Foreign References:
KR20180125560A2018-11-23
KR20190107089A2019-09-18
JP2015193897A2015-11-05
JP2015086468A2015-05-07
KR20060118602A2006-11-23
JP2009019258A2009-01-29
KR20140012167A2014-01-29
Other References:
See also references of EP 4079905A4
Attorney, Agent or Firm:
C&S PATENT AND LAW OFFICE (KR)
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