MUMBAI, India, Nov. 21 -- Intellectual Property India has published a patent application (202517097041 A) filed by Nippon Steel Corporation, Tokyo, on Oct. 8, for 'alloy material.'
Inventor(s) include Osuki, Takahiro; Jotoku, Kana; Yamada, Kenta; Aota, Shohgo; and Izawa, Takahiro.
The application for the patent was published on Nov. 21, under issue no. 47/2025.
According to the abstract released by the Intellectual Property India: "Provided is an alloy material that exhibits a high creep strength, an excellent resistance to weld hot cracking, and an excellent hot workability. An alloy material according to the present disclosure contains, in mass%, C: 0.050-0.100%, Si: 1.00% or less, Mn: 1.50% or less, Cr: 19.00-23.00%, Ni: 30.00-35.00%, N: 0.010% or less, Al: 0.15-0.70%, Ti: 0.15-0.70%, B: 0.0001-0.0030%, Nb: 0.0010-0.5000%, Mo: 0.01-1.00%, and Ca: 0.0001-0.0200%, with the balance being Fe and impurities; satisfies formula (1) and formula (2); and further satisfies formula (3) when B = 0.0010%. (1): 0.60 Al + Ti 1.20 (2): 3.3 - 41C - Si + 2Mo + 3Ti + 245B - 12Nb = 2.00 (3): 0.4 + 67C + 1.3Si + 5.5Mo + 5.2Ti + 13.4Nb = 8.25."
The patent application was internationally filed on Mar. 28, 2024, under International application No.PCT/JP2024/012847.
Disclaimer: Curated by HT Syndication.
