Title:
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2024/019490
Kind Code:
A1
Abstract:
The present invention provides a non-oriented electrical steel sheet comprising: 2.8-3.8 wt% of silicon (Si); 0.2-0.5 wt% of manganese (Mn); 0.5-1.5 wt% of aluminum (Al); 0 to 0.003 wt% (exclusive of 0) of carbon (C); 0 to 0.015 wt% (exclusive of 0) of phosphorus (P); 0 to 0.003 wt% (exclusive of 0) of sulfur (S); 0 to 0.003 wt% (exclusive of 0) of nitrogen (N); and 0 to 0.003 wt% (exclusive of 0) of titanium (Ti), with the balance being iron (Fe) and other inevitable impurities, wherein the volume fraction of secondary phase particles having an average diameter of at least 1.0 µm among secondary phase particles constituting the microstructure is at least 60%, and the non-oriented electrical steel sheet has an iron loss (W10/400) of at most 12.0 W/kg.
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Inventors:
AHN YONG KEUN (KR)
KANG CHUN KU (KR)
SHIN KYEONG SIK (KR)
PARK GEUN HO (KR)
KANG CHUN KU (KR)
SHIN KYEONG SIK (KR)
PARK GEUN HO (KR)
Application Number:
PCT/KR2023/010317
Publication Date:
January 25, 2024
Filing Date:
July 18, 2023
Export Citation:
Assignee:
HYUNDAI STEEL CO (KR)
International Classes:
C22C38/02; B21C47/02; C21D8/12; C21D9/46; C22C38/00; C22C38/04; C22C38/06; C22C38/14
Foreign References:
KR20210080657A | 2021-07-01 | |||
KR20170075592A | 2017-07-03 | |||
JP5321764B2 | 2013-10-23 | |||
KR20130076547A | 2013-07-08 | |||
KR20220089734A | 2022-06-29 | |||
JP2018178197A | 2018-11-15 |
Attorney, Agent or Firm:
LEE, In Haeng et al. (KR)
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