Intellectual Property India Publishes Patent Application for 'Ferritic-Austenitic Duplex Stainless Steel Material' Filed by Nippon Steel Stainless Steel Corporation

MUMBAI, India, April 11 -- Intellectual Property India has published a patent application (202517007716 A) filed by Nippon Steel Stainless Steel Corporation, Tokyo, on Jan. 30, for 'ferritic-austenitic duplex stainless steel material.'

Inventor(s) include Hirakawa, Naoki; and Ishimaru, Eiichiro.

The application for the patent was published on April 11, under issue no. 15/2025.

According to the abstract released by the Intellectual Property India: "Provided is a ferritic-austenitic duplex stainless steel material containing: 0.001-0.050 mass% of C; 0.01-0.50 mass% of Si; 1.0-4.5 mass% of Mn; at most 0.050 mass% of P; at most 0.030 mass% of S; 1.5-3.5 mass% of Ni; 19.624.0 mass% of Cr; 0.01-1.00 mass% of Mo; 0.01-1.20 mass% of Cu; and 0.01...