MUMBAI, India, June 30 -- Intellectual Property India has published a patent application (202617056937 A) filed by Jfe Steel Corporation on May 05, 2026, for Grain-Oriented Electrical Steel Sheet And Method For Manufacturing Same.
Inventors include Nakamura Koji; Inoue Hirotaka; and Omura Takeshi.
The application for the patent was published on June 26, 2026, under issue no. 26/2026.
Abstract: The present invention achieves magnetic domain refinement by means of groove formation and magnetic domain refinement by means of the application of a tension without increasing the building factor. Disclosed is a grain-oriented electrical steel sheet which has a plurality of grooves that are arranged in a predetermined position of a steel sheet, and is provided with a forsterite coating film and an insulating coating film on both surfaces of the steel sheet, wherein: Ra of the forsterite coating film at the center of the grooves is 5.00 µm or more; and the average thickness of the insulating coating film at the bottom of the grooves is 1.50 µm or more.
Disclaimer: Curated by HT Syndication.
