Title:
NON-ORIENTED ELECTRIC STEEL SHEET AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2024/019478
Kind Code:
A1
Abstract:
The present invention provides a non-oriented electric steel sheet comprising 2.8 to 3.8 wt% of silicon (Si), 0.2 to 0.5 wt% of manganese (Mn), 0.5 to 1.2 wt% of aluminum (Al), 0 (exclusive) to 0.002 wt% of carbon (C), 0 (exclusive) to 0.015 wt% of phosphorus (P), 0 (exclusive) to 0.002 wt% of sulfur (S), 0 (exclusive) to 0.002 wt% of nitrogen (N), 0 (exclusive) to 0.002 wt% of titanium (Ti), and the balance being iron (Fe) and other unavoidable impurities, wherein in the final microstructure, grains of {111}//ND orientation have a volume fraction of 30% or less and an average misorientation angle of 23° or greater, and grains of {001}//ND orientation have a volume fraction of 15% or more and an average misorientation angle of 48° or greater.
Inventors:
OH GYU JIN (KR)
KANG CHUN KU (KR)
KANG CHUN KU (KR)
Application Number:
PCT/KR2023/010276
Publication Date:
January 25, 2024
Filing Date:
July 18, 2023
Export Citation:
Assignee:
HYUNDAI STEEL CO (KR)
International Classes:
C22C38/02; C21D8/12; C22C38/00; C22C38/04; C22C38/06; C22C38/14; H01F1/147
Foreign References:
| KR20210080657A | 2021-07-01 | |||
| JP2017119897A | 2017-07-06 | |||
| JP2021165411A | 2021-10-14 | |||
| KR20190112757A | 2019-10-07 | |||
| JP2018012854A | 2018-01-25 |
Attorney, Agent or Firm:
LEE, In Haeng et al. (KR)
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