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Hot Pressed Steel Sheet For Non Oriented Electromagnetic Steel Sheet, Manufacturing Method Of Hot Pressed Steel Sheet For Non Oriented Electromagnetic Steel Sheet, And Manufacturing Method Of Non Oriented Electromagnetic Steel Sheet
Abstract: This hot-pressed steel sheet for a non-oriented electromagnetic steel sheet contains Si, Mn, Al, Ti, Nb, V and Zr in prescribed amounts as the chemical composition, and, viewed in a cut section parallel to the rolling direction and the plate thickness direction, AlN with a circle equivalent diameter of 10-200 nm is present in, and at the boundaries, of ferrite particles, and the number density of the aforementioned AlN present in the particles and at the particle boundaries is set to 8.0/µm2 of the observation area, and the number density of the aforementioned AlN present at the particle boundaries is set to less than or equal to 40/µm2 of the observation area.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
03 August 2023
Publication Number
48/2023
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. ARITA Yoshihiro
c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo
1008071
2. FUJIKURA Masahiro
c/o NIPPON STEEL RESEARCH INSTITUTE CORPORATION, Kokusai Building, 3-1-1, Marunouchi, Chiyoda-ku, Tokyo
1000005
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202317052203-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [03-08-2023(online)].pdf | 2023-08-03 |
| 2 | 202317052203-STATEMENT OF UNDERTAKING (FORM 3) [03-08-2023(online)].pdf | 2023-08-03 |
| 3 | 202317052203-PROOF OF RIGHT [03-08-2023(online)].pdf | 2023-08-03 |
| 4 | 202317052203-POWER OF AUTHORITY [03-08-2023(online)].pdf | 2023-08-03 |
| 5 | 202317052203-FORM 1 [03-08-2023(online)].pdf | 2023-08-03 |
| 6 | 202317052203-DECLARATION OF INVENTORSHIP (FORM 5) [03-08-2023(online)].pdf | 2023-08-03 |
| 7 | 202317052203-COMPLETE SPECIFICATION [03-08-2023(online)].pdf | 2023-08-03 |
| 8 | 202317052203-FORM 3 [21-12-2023(online)].pdf | 2023-12-21 |
| 9 | 202317052203-FORM 18 [17-01-2025(online)].pdf | 2025-01-17 |