Title:
DOUBLE-ORIENTED ELECTRICAL STEEL SHEET, AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2021/125857
Kind Code:
A1
Abstract:
A double-oriented electrical steel sheet according to an example of the present invention comprises 2.0 to 4.0 wt% of Si, 0.01 to 0.04 wt% of Al, 0.0004 to 0.02 wt% of S, 0.05 to 0.3 wt% of Mn, at most 0.01 wt% (exclusive of 0 wt%) of N, at most 0.005 wt% (exclusive of 0 wt%) of C, 0.005 to 0.15 wt% of P, 0.001 to 0.005 wt% of Ti, and 0.0001 to 0.005 wt% of Mg, with the balance being Fe and other inevitable impurities, wherein the area fraction of crystal grains having an orientation within 15° from ｛100｝<001> is 60 to 99%, and the area fraction of crystal grains having an orientation within 15° from {100}<025> is 1 to 30%.
Inventors:
LEE SE IL (KR)
MUN HYUNWOO (KR)
MUN HYUNWOO (KR)
Application Number:
PCT/KR2020/018611
Publication Date:
June 24, 2021
Filing Date:
December 17, 2020
Export Citation:
Assignee:
POSCO (KR)
International Classes:
C22C38/02; B21B1/24; B21B3/00; C21D8/02; C21D8/12; C22C38/04; C22C38/06; C22C38/12; C22C38/14
Foreign References:
| KR102009834B1 | 2019-08-12 | |||
| JP2014196559A | 2014-10-16 | |||
| KR101719232B1 | 2017-03-23 | |||
| KR20180073323A | 2018-07-02 | |||
| JP2006241503A | 2006-09-14 |
Other References:
See also references of EP 4079885A4
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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