Title:
NON-ORIENTED ELECTRICAL STEEL SHEET
Document Type and Number:
WIPO Patent Application WO/2022/211007
Kind Code:
A1
Abstract:
This non-oriented electrical steel sheet has a chemical composition likely generating the α-γ transformation, and contains, by mass, at least 0.010% or less C, 1.50%-4.00% Si, 0.0001%-1.0% sol.Al, 0.010% or less S, 0.010% or less N, and 2.50%-5.00% in total of one or more selected from the group consisting of Mn, Ni, and Cu, the remainder comprising Fe and impurities, and when measured by EBSD and the area ratio of crystal grains having a crystal orientation of \{hkl\} orientation (within a margin of 10°) is expressed as Ahkl-uvw, A411-011 is 15.0% or greater, and the average crystal grain diameter is 10.0 μm – 40.0 μm.
Inventors:
FUKUCHI MINAKO (JP)
NATORI YOSHIAKI (JP)
MURAKAWA TESSHU (JP)
NATORI YOSHIAKI (JP)
MURAKAWA TESSHU (JP)
Application Number:
PCT/JP2022/016445
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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| JP2021063523A | 2021-04-22 | |||
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Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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