Title:
DOUBLE ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2023/121266
Kind Code:
A1
Abstract:
A double oriented electrical steel sheet according to an embodiment of the present invention contains, in wt%, at least 2.0% of Si, more than 0% and 0.02% or less of Al, 0.02-0.50% of Mn, more than 0% and 0.004% or less of C, and 0.0005-0.005% of S, with the remainder comprising Fe and inevitable impurities, wherein the area percentage of grains having a grain size of 2000 μm or less is 25% or less.
Inventors:
MUN HYUNWOO (KR)
LEE SE IL (KR)
SHIN SU-YONG (KR)
KIM YUNSU (KR)
LEE SE IL (KR)
SHIN SU-YONG (KR)
KIM YUNSU (KR)
Application Number:
PCT/KR2022/020901
Publication Date:
June 29, 2023
Filing Date:
December 20, 2022
Export Citation:
Assignee:
POSCO CO LTD (KR)
International Classes:
C22C38/02; C21D8/12; C22C38/04; C22C38/06; H01F1/147
Foreign References:
| KR20210079754A | 2021-06-30 | |||
| EP0318051A2 | 1989-05-31 | |||
| KR20170074635A | 2017-06-30 | |||
| KR100460046B1 | 2004-12-04 | |||
| KR100837129B1 | 2008-06-11 |
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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