Title:
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2023/121293
Kind Code:
A1
Abstract:
A non-oriented electrical steel sheet according to one embodiment of the present invention comprises, in wt%, 2.0 to 6.5% of Si, 0.1 to 1.3% of Al, 0.3 to 2.0% of Mn, and the remainder in Fe and unavoidable impurities, and the area fraction of grains the diameters of which are at most 10% of the sheet thickness is 10.0 to 35.0%, while the number fraction is 15 to 55%.
Inventors:
KWON SOOBIN (KR)
Application Number:
PCT/KR2022/020962
Publication Date:
June 29, 2023
Filing Date:
December 21, 2022
Export Citation:
Assignee:
POSCO CO LTD (KR)
International Classes:
C22C38/02; C21D8/12; C22C38/04; C22C38/06; C22C38/34; H01F1/147
Foreign References:
| JP2021038458A | 2021-03-11 | |||
| KR20080063521A | 2008-07-04 | |||
| JP2019178373A | 2019-10-17 | |||
| JPS61127818A | 1986-06-16 | |||
| US20190189318A1 | 2019-06-20 |
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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