MUMBAI, India, Oct. 19 -- Intellectual Property India has published a patent application (202617089691 A) filed by Nippon Steel Corporation on July 23, 2026, for Ni-Based Alloy Tube.

Inventors include Kochi, Norifumi; Hamaguchi, Tomoaki; and Kurihara, Shinnosuke.

The application for the patent was published on October 16, 2026, under issue no. 42/2026.

Abstract: The present invention provides an Ni-based alloy tube which is capable of achieving sufficient nitriding resistance in a high-temperature ammonia environment. An Ni- based alloy tube according to the present disclosure has a chemical composition that contains, in mass%, 0.150% or less of C, more than 1.00% but not more than 2.50% of Si, 0.01% to 1.00% of Mn, 0.0100% or less of P,...