MUMBAI, India, Sept. 26 -- Intellectual Property India has published a patent application (202517084068 A) filed by Nippon Steel Corporation, Tokyo, on Sept. 4, for 'cr-ni alloy pipe.'

Inventor(s) include Osuki, Takahiro; Nakane, Kazuya; Matsuda, Kohei; and Toda, Yoshihiro.

The application for the patent was published on Sept. 26, under issue no. 39/2025.

According to the abstract released by the Intellectual Property India: "Provided is a Cr-Ni alloy tube in which the tensile yield stress YSLT and the compressive yield stress YSLC in the tube axial direction of the Cr-Ni alloy tube and the tensile yield stress YSHT of a test piece after high-frequency induction heating and quenching satisfy [0.80 = YSLC/YSLT 0.95], [YS HT - 0.24 YSLT = 50.0], and [YSLT = 443 YSLT/YSLC + 2.28 YSHT - 350], the test piece being collected from a thickness center position of the Cr-Ni alloy tube so that the longitudinal direction of the test piece is parallel to the tube axial direction."

The patent application was internationally filed on Mar. 28, 2023, under International application No.PCT/JP2023/012654.

Disclaimer: Curated by HT Syndication.