Title:
NON-ORIENTED ELECTROMAGNETIC STEEL SHEET AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2023/112892
Kind Code:
A1
Abstract:
A non-oriented electromagnetic steel sheet according to the present invention contains, in mass%, 0.010% or less C, 1.0 to 5.0% Si, 0.05 to 5.0% Mn, 0.1% or less P, 0.01% or less S, 3.0% or less Al, and 0.005% or less N, the remainder being Fe and inevitable impurities, and has an average crystal grain size of less than or equal to 50 μm, wherein a sum SA of the area ratios of crystal grains having <100> oriented in the rolling direction or the direction orthogonal to the rolling direction and a sum SB of the area ratios of crystal grains having <111> oriented in the rolling direction or the direction orthogonal to the rolling direction satisfy SA − SB ≥ 0.
Inventors:
TANAKA TAKAAKI (JP)
OKUBO TOMOYUKI (JP)
OKUBO TOMOYUKI (JP)
Application Number:
PCT/JP2022/045666
Publication Date:
June 22, 2023
Filing Date:
December 12, 2022
Export Citation:
Assignee:
JFE STEEL CORP (JP)
International Classes:
B21B3/02; B21B1/22; 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 | |||
| JPS5970722A | 1984-04-21 | |||
| KR20210080726A | 2021-07-01 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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