MUMBAI, India, July 7 -- Intellectual Property India has published a patent application (202617070622 A) filed by Arcelormittal on June 05, 2026, for Electrical Composite Steel Semi-Product.
Inventors include Duprez, Lode International Bureau; Jacobs, Sigrid; and Basu, Silva Intellectual.
The application for the patent was published on July 03, 2026, under issue no. 27/2026.
Abstract: A composite steel semi-product having a shell and bulk, said shell having a chemical composition containing, in weight%, Si: from 2.0% to 4.0%, said bulk having a chemical composition containing, in weight%, Si: from 3.0% to 8.0%, said shell and said bulk compositions comprising also the following elements expressed in weight%: C: 0.0001% - 0.05%, Mn: 0.05% - 2.0%, Al: 0.05% - 1.3%, and can contain one or more optional elements, the remainder composition being composed of iron and unavoidable impurities caused by processing, wherein the amount of Si in the bulk is higher than in the shell and wherein said shell is provided on the four longitudinal sides of said semi-product.
Disclaimer: Curated by HT Syndication.