Title:
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2023/018195
Kind Code:
A1
Abstract:
An embodiment of the present invention provides a non-oriented electrical steel sheet and a method for manufacturing same. The non-oriented electrical steel sheet comprises, by wt%, 2.5-4% of Si, 0.1-1.0% of Mn, 0.001-0.005% of S, 0.002-0.01% of Cu, and the remainder of Fe and inevitable impurities, wherein FGS (average grain size of grains in the lower 10% or less based on grain size among total grains) ≥ 15 ㎛.
Inventors:
PARK JUNESOO (KR)
HONG JAEWAN (KR)
SONG DAE HYUN (KR)
HONG JAEWAN (KR)
SONG DAE HYUN (KR)
Application Number:
PCT/KR2022/011879
Publication Date:
February 16, 2023
Filing Date:
August 09, 2022
Export Citation:
Assignee:
POSCO CO LTD (KR)
International Classes:
C22C38/02; C21D8/12; C22C38/00; C22C38/04; C22C38/06; C22C38/16; C22C38/58
Domestic Patent References:
| WO2014049770A1 | 2014-04-03 |
Foreign References:
| KR20210078978A | 2021-06-29 | |||
| KR20190127964A | 2019-11-13 | |||
| KR20120074032A | 2012-07-05 | |||
| KR20210078974A | 2021-06-29 | |||
| JP2016199787A | 2016-12-01 |
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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