MUMBAI, India, June 30 -- Intellectual Property India has published a patent application (202617051971 A) filed by Arcelormittal on April 23, 2026, for A Non-Oriented Electrical Steel And A Method Of Manufacturing Non-Oriented Electrical Steel Thereof.
Inventors include Leunis, Elke International Bureau; Jacobs, Sigrid; and Chassang, Xavier Intellectual.
The application for the patent was published on June 26, 2026, under issue no. 26/2026.
Abstract: The invention deals with a non-oriented electrical steel sheet having a composition comprising of the following elements, expressed in percentage by weight: 0.0001% = Carbon = 0.009 % 0.25% = Manganese = 0.6% 1% = Silicon = 2.5% 0.15% = Aluminum = 0.3 % 0.05% = Tin= 0.15% Phosphorus = 0.15 % Sulfur = 0.006% Nitrogen = 0.09% and can contain one or more of the following optional elements 0% = Niobium = 0.1% 0% = Titanium = 0.1% 0% = Vanadium = 0.1% 0% = Chromium = 1% 0% = Molybdenum = 0.5% 0% = Tungsten= 0.1% 0% = Cobalt = 1% 0% = Arsenic = 0.05% 0.001% = Calcium = 0.01% 0% = Copper = 1% 0% = Nickel = 1% 0 % = Boron = 0.05% 0 % = Lead = 0.2% 0% =Antimony = 0.2% the remainder composition being composed of iron and unavoidable impurities caused by processing, the microstructure of said steel sheet being made of ferrite and comprising in area fraction, 80% to 100% recrystallized microstructure, 0% to 20% non- recrystallized microstructure wherein the average grain size of recrystallized microstructure is from 20 microns to 110 microns and having a percentage of eddy current losses in total iron losses, measured at 1 T and 400 Hz according to IEC 60404-2 standards, from 35% to 50% when calculated in accordance of Bertotti method.
Disclaimer: Curated by HT Syndication.
