MUMBAI, India, March 14 -- Intellectual Property India has published a patent application (202617018268 A) filed by Jfe Steel Corporation, Tokyo, on Feb. 18, for 'steel sheet and method for manufacturing same.'
Inventor(s) include Takeya Kentaro; Shiimori Fusae; and Kariya Nobusuke.
The application for the patent was published on March 13, under issue no. 11/2026.
According to the abstract released by the Intellectual Property India: "The purpose of the present invention is to provide: a steel sheet having high strength, high ductility, and low yield elongation; and a method for manufacturing the same. This steel sheet has a component composition containing, in mass%, 0.03-0.15% of C, 0.05% or less of Si, 0.10-0.60% of Mn, 0.025% or less of P, 0.020% or less of S, 0.20% or less of Al, 0.0001-0.0200% of N, and 0.005-0.030% of Nb, the remaining portion being Fe and unavoidable impurities. In the steel sheet, the area percentage of martensite is 0.5-10.0%, the area percentage of the sum of perlite, bainite, and granular cementite is 5-30%, and the remaining portion is ferrite. In the granular cementite, the area percentage of granular cementite having a maximum particle size of 3 m or less is 1.0% or more with respect to the whole structure."
The patent application was internationally filed on Aug. 27, 2024, under International application No.PCT/JP2024/030538.
Disclaimer: Curated by HT Syndication.
