MUMBAI, India, June 6 -- Intellectual Property India has published a patent application (202517048198 A) filed by Arcelormittal, Luxembourg, on May 19, for 'cold rolled and coated steel sheet and a method of manufacturing thereof.'
Inventor(s) include Pipard, Jean-Marc; Targy, Pierre; and Thenot, Marc Olivier.
The application for the patent was published on June 6, under issue no. 23/2025.
According to the abstract released by the Intellectual Property India: "A cold rolled and coated steel sheet, the steel comprising, 0.15% = carbon = 0.25%,1.5% = manganese = 2.5%,1% = silicon = 2%,0% = aluminum =0.09%,0.1%= chromium = 0.6%,0%= phosphorus = 0.02%, 0%= sulfur = 0.03%, 0% = nitrogen = 0.09%, 0%= molybdenum = 0.5%, 0.001%= niobium = 0.09%, 0%= titanium = 0.06%, 0%= vanadium =0.1%, 0%= nickel = 1%, 0%= Copper = 1%, 0%= calcium = 0.005%, 0%= boron = 0.010%, 0%= Magnesium = 0.05%,0%= Zirconium = 0.05%, 0%= Cerium = 0.1%, and the balance including iron and unavoidable impurities, the steel sheet having a microstructure comprising of 35% to 70% of cumulative presence of Bainite and Partitioned Martensite, 9% to 15% of residual austenite, 12% to 38% of ferrite and 5% to 15% fresh martensite in area fractions."
The patent application was internationally filed on Dec. 09, 2022, under International application No.PCT/IB2022/061977.
Disclaimer: Curated by HT Syndication.
