MUMBAI, India, June 30 -- Intellectual Property India has published a patent application (202617066528 A) filed by Posco Co. , Ltd on May 27, 2026, for High-Strength Austenitic Stainless Steel And Manufacturing Method Thereof.
Inventors include Noh, Hanseop; Kim, Kyunghun; and Chu, Nayeon.
The application for the patent was published on June 26, 2026, under issue no. 26/2026.
Abstract: A high-strength austenitic stainless steel according to one embodiment of the present invention comprises, by wt%, 0.01-0.1% of C, 0.1-1% of Si, less than 0.05% of P, less than 0.03% of S, 1-5% of Mn, 1-5% of Ni, 15.0-18.0% of Cr, 0.1-2% of Cu, 0.1-0.2% of N, 0.15-0.25% of Nb, and the balance of Fe and inevitable impurities, and can satisfy relation (1) an...