Non Oriented Electromagnetic Steel Sheet

Abstract: A non-oriented electromagnetic steel sheet according to the present invention has a chemical composition with which a-? 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.

Patent Information

Application #

Filing Date

12 September 2023

Publication Number

36/2024

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. FUKUCHI Minako

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

2. NATORI Yoshiaki

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

3. MURAKAWA Tesshu

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

Specification

Documents

Application Documents

#	Name	Date
1	202317061254-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [12-09-2023(online)].pdf	2023-09-12
2	202317061254-STATEMENT OF UNDERTAKING (FORM 3) [12-09-2023(online)].pdf	2023-09-12
3	202317061254-PROOF OF RIGHT [12-09-2023(online)].pdf	2023-09-12
4	202317061254-PRIORITY DOCUMENTS [12-09-2023(online)].pdf	2023-09-12
5	202317061254-POWER OF AUTHORITY [12-09-2023(online)].pdf	2023-09-12
6	202317061254-FORM 1 [12-09-2023(online)].pdf	2023-09-12
7	202317061254-DECLARATION OF INVENTORSHIP (FORM 5) [12-09-2023(online)].pdf	2023-09-12
8	202317061254-COMPLETE SPECIFICATION [12-09-2023(online)].pdf	2023-09-12
9	202317061254-FORM 3 [05-03-2024(online)].pdf	2024-03-05
10	202317061254-FORM 18 [03-03-2025(online)].pdf	2025-03-03