Title:
NON-ORIENTED ELECTROMAGNETIC STEEL SHEET AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2023/112891
Kind Code:
A1
Abstract:
A non-oriented electromagnetic steel sheet according to the present invention contains no greater than 0.010% of C, 1.0% to 5.0% (inclusive) of Si, 0.05% to 5.0% (inclusive) of Mn, no greater than 0.1% of P, no greater than 0.01% of S, no greater than 3.0% of Al, and no greater than 0.005% of N by mass, the balance being Fe and unavoidable impurities, and has an average crystal grain size between 60 μm and 200 μm (both inclusive), wherein a sum SA of area ratios of crystal grains in which <100> is oriented in a rolling direction or a direction perpendicular to rolling, and a sum SB of area ratios of the crystal grains in which <111> is oriented in the rolling direction or the direction perpendicular to rolling satisfy SA - SB ≥ 0.
Inventors:
TANAKA TAKAAKI (JP)
OKUBO TOMOYUKI (JP)
OKUBO TOMOYUKI (JP)
Application Number:
PCT/JP2022/045664
Publication Date:
June 22, 2023
Filing Date:
December 12, 2022
Export Citation:
Assignee:
JFE STEEL CORP (JP)
International Classes:
B21B1/22; B21B3/02; C21D8/12; C21D9/46; C22C38/00; C22C38/06; C22C38/60; H01F1/147
Domestic Patent References:
| WO2011105609A1 | 2011-09-01 |
Foreign References:
| JP2002146491A | 2002-05-22 | |||
| JP2019163509A | 2019-09-26 | |||
| KR20210080726A | 2021-07-01 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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