Title:
NON-ORIENTED ELECTROMAGNETIC STEEL SHEET
Document Type and Number:
WIPO Patent Application WO/2022/211016
Kind Code:
A1
Abstract:
A non-oriented electromagnetic steel sheet according to the present invention has a chemical composition with which α-γ transformation can occur and which contains at least, in terms of mass%, at most 0.010% of C, 1.50-4.00% of Si, 0.0001-1.0% of sol. Al, at most 0.010% of S, at most 0.010% of N, and a total of 2.50-5.00% of at least one selected from the group consisting of Mn, Ni, and Cu, with the remainder consisting of Fe and impurities, wherein when the average grain diameter of 411 crystal grains is defined as d411 and the average grain diameter of 111 crystal grains is defined as d111, d411/d111≥1.10.
Inventors:
FUKUCHI MINAKO (JP)
NATORI YOSHIAKI (JP)
MURAKAWA TESSHU (JP)
NATORI YOSHIAKI (JP)
MURAKAWA TESSHU (JP)
Application Number:
PCT/JP2022/016490
Publication Date:
October 06, 2022
Filing Date:
March 31, 2022
Export Citation:
Assignee:
NIPPON STEEL CORP (JP)
International Classes:
C22C38/00; C21D8/12; C22C38/60; H01F1/147; C21D7/06
Domestic Patent References:
| WO2013080891A1 | 2013-06-06 | |||
| WO2021205880A1 | 2021-10-14 |
Foreign References:
| JP2006219692A | 2006-08-24 | |||
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| JP2021080501A | 2021-05-27 | |||
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Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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