Title:
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2023/249295
Kind Code:
A1
Abstract:
A method for manufacturing a non-oriented electrical steel sheet according to one embodiment of the present invention comprises the steps of: providing a steel material containing silicon (Si), manganese (Mn), and aluminum (Al); hot-rolling the steel material; performing a first heat treatment before winding the hot-rolled steel material; winding the first heat-treated steel; uncoiling and cold-rolling the wound steel material; and annealing the cold-rolled steel material.
Inventors:
CHO HAN HYUK (KR)
KANG CHUN KU (KR)
KANG CHUN KU (KR)
Application Number:
PCT/KR2023/007914
Publication Date:
December 28, 2023
Filing Date:
June 09, 2023
Export Citation:
Assignee:
HYUNDAI STEEL CO (KR)
International Classes:
C21D8/12; B21C47/02; C21D9/46; C22C38/00; C22C38/02; C22C38/04; C22C38/06; C22C38/14
Foreign References:
| KR20140133100A | 2014-11-19 | |||
| JPS60138014A | 1985-07-22 | |||
| JPS62102506A | 1987-05-13 | |||
| KR20030053154A | 2003-06-28 | |||
| KR20200035754A | 2020-04-06 |
Attorney, Agent or Firm:
LEE, In Haeng et al. (KR)
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