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Non Oriented Electrical Steel Sheet

Abstract: This non-oriented electromagnetic steel sheet includes a steel sheet and the chemical composition of the steel sheet contains, in mass%, 0.0030% or less of C, 1.0-3.5% of Si, 0.10-2.00% of Al, 0.1-2.0% of Mn, 0.20% or less of P, 0.0030% or less of S, 0.0030% or less of N, 0.0030% or less of Ti, 0.0020% or less of B, 0-0.200% of Sn, and 0-0.1000% of Sb, with the remainder comprising Fe and impurities, wherein [Sn] and [Sb], which are the content of Sn and the content of Sb, in mass%, respectively, satisfy [Sn]+2×[Sb]=0.200, and WH/WL, which is the ratio between the maximum value WH and the minimum value WL of core loss W10/400, is 1.10 or less (when the width of the steel sheet is W, W/10 part, W/4 part, and W/2 part are the part at the W/10 position, the part at the W/4 position, and the part at the W/2 position of the sheet width from the end in the width direction, respectively).

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Patent Information

Application #
Filing Date
27 March 2025
Publication Number
16/2025
Publication Type
INA
Invention Field
METALLURGY
Status
Email
Parent Application

Applicants

NIPPON STEEL CORPORATION
6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071

Inventors

1. ICHIE Takeru
c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071
2. FUJII Yuya
c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071
3. MURAKAMI Fuminobu
c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071

Specification

Documents

Application Documents

# Name Date
1 202517029062-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [27-03-2025(online)].pdf 2025-03-27
2 202517029062-STATEMENT OF UNDERTAKING (FORM 3) [27-03-2025(online)].pdf 2025-03-27
3 202517029062-REQUEST FOR EXAMINATION (FORM-18) [27-03-2025(online)].pdf 2025-03-27
4 202517029062-PROOF OF RIGHT [27-03-2025(online)].pdf 2025-03-27
5 202517029062-PRIORITY DOCUMENTS [27-03-2025(online)].pdf 2025-03-27
6 202517029062-POWER OF AUTHORITY [27-03-2025(online)].pdf 2025-03-27
7 202517029062-FORM 18 [27-03-2025(online)].pdf 2025-03-27
8 202517029062-FORM 1 [27-03-2025(online)].pdf 2025-03-27
9 202517029062-DRAWINGS [27-03-2025(online)].pdf 2025-03-27
10 202517029062-DECLARATION OF INVENTORSHIP (FORM 5) [27-03-2025(online)].pdf 2025-03-27
11 202517029062-COMPLETE SPECIFICATION [27-03-2025(online)].pdf 2025-03-27
12 202517029062-FORM 3 [14-08-2025(online)].pdf 2025-08-14