MUMBAI, India, Oct. 12 -- Intellectual Property India has published a patent application (202617070456 A) filed by Jfe Steel Corporation on June 05, 2026, for Seamless Steel Pipe, Method For Manufacturing Seamless Steel Pipe, Pressure Vessel, Pressure Vessel For Hydrogen Gas, And Method For Manufacturing Pressure Vessel Or Pressure Vessel For Hydrogen Gas.
Inventors include Matsubara Kazuki; Okano Hiroshi; Takagi Shusaku; Toda Yuki; Kageyama Taisuke; and Takemura Yasumasa.
The application for the patent was published on October 09, 2026, under issue no. 41/2026.
Abstract: The purpose of the present invention, configured in view of circumstances, is to provide a thick-walled seamless steel pipe that has a high martensite fraction and high...