MUMBAI, India, July 13 -- Intellectual Property India has published a patent application (202617071208 A) filed by Arcelormittal on June 08, 2026, for A Hot Worked And Annealed Graphitic Steel For Parts Machining And Manufacturing Method Thereof.
Inventors include Forgeoux, Didier International Bureau; Desaigues, Jean-Edouard; and Lhuillery, Mathieu Intellectual.
The application for the patent was published on July 10, 2026, under issue no. 28/2026.
Abstract: The invention deals with a hot worked and annealed graphitic steel product having a composition comprising in weight percent: 0.70 % = C = 1.1 %, 0.35 % = Mn = 0.80 %, 1.0 % = Si = 3.0 %, 0.010 % = Ti = 0.090 %, 0.001 % = Al = 0.09 %, P = 0.090 %, S = 0.2, 0.0090 = N = 0.0150 and comprising optionally one or more of the following elements, by weight percent: 0 % = B = 0.006 %, 0 % = Cr = 1 %, 0 % = Mo = 0.5 %, 0 % = V = 0.2 %, 0 % = Nb = 0.1 %, 0 % = Ni = 3.0 %, 0 % = Co = 3.0 %, 0 % = Cu = 3.0 %, 0 % = Sn = 0.1 %, 0 % = Ce = 0.1 %, 0 % = Mg = 0.1 %, 0 % = Zr = 0.1 % the remainder of the composition being iron and unavoidable impurities resulting from the smelting, said steel having a microstructure comprising 1 to 10% in area fraction of free graphite particles, up to 5% optional cementite, the balance being ferrite.
Disclaimer: Curated by HT Syndication.
