MUMBAI, India, July 5 -- Intellectual Property India has published a patent application (202517055870 A) filed by Nippon Steel Corporation, Tokyo, on June 10, for 'cold rolled steel sheet.'
Inventor(s) include Sugiura, Natsuko.
The application for the patent was published on July 4, under issue no. 27/2025.
According to the abstract released by the Intellectual Property India: "Provided is a cold rolled steel sheet having a chemical composition constituted by, in mass%, 0.0005 to 0.0070% of C, 0.01 to 1.50% of Si, 0.05 to 1.50% of Mn, 0.001 to 0.150% of P, 0.0005 to 0.0100% of S, 0.005 to 0.100% of Al, 0.0010 to 0.0200% of N, 0.010 to 0.150% of Ti, 0.020 to 0.080% of Sn, and optional elements, the remainder being Fe and impurities. Said composition satisfies the expressions [Ti - 48/32 S - 48/14 N - 48/12 C = -0.010] and [5.0 = 11 Si + 33 Mn + 21 Mo + 17 (Cr + Cu + Ni) - 30 Al = 50.0], where rL is 1.50 or more, rC is 1.50 or more, rD is 1.50 or more, mr is 1.70 or more, and ?r is in the range of -0.40 to 0.40."
The patent application was internationally filed on Dec. 09, 2022, under International application No.PCT/JP2022/045404.
Disclaimer: Curated by HT Syndication.
