MUMBAI, India, May 30 -- Intellectual Property India has published a patent application (202517044010 A) filed by Aperam, Luxembourg, on May 6, for 'ferritic stainless steel sheet and associated production method.'
Inventor(s) include Parrens, Coralie; Santacreu, Pierre-Olivier; Carradot, Malo; and Leger, Pierre-Emmanuel.
The application for the patent was published on May 30, under issue no. 22/2025.
According to the abstract released by the Intellectual Property India: "The invention relates to a ferritic stainless steel sheet, the composition of which comprises, the contents being expressed by weight: C = 0.03% 0.25% = Mn = 1%, preferably 0.3% = Mn = 0.5% 0% Si = 0.20%, preferably Si = 0.15% with Mn/Si = 1.2 S = 0.005% P = 0.04% 19.0% = Cr = 24.0% Ni = 0.5% Mo = 0.10% N = 0.03% Cu = 0.20% 0.40% = Nb = 1.0% 0.05% = Ti = 0.2%, preferably 0.05% = Ti = 0.15% Zr = 0.02% Al = 0.02% V = 0.2% Co = 0.05% Sn = 0.05%, rare earths = 800 ppm, it being understood that: V + Zr + Al = 0.2% Ti + V + Zr + Al = 0.30% Ti + Nb = 1.0% Ni + Cu + Co = 0.60% 2xNb-7xC = 0.8% 29 0% = Ti - 4xN = 0.15% 0.2 ppm = Ca = 20 ppm 1 ppm = O = 60 ppm, the remainder of the composition consisting of iron and unavoidable impurities resulting from the preparation, the sheet being an annealed and pickled sheet, the sheet comprising a volume fraction of Fe2Nb Laves phases of less than 0.2%."
The patent application was internationally filed on Nov. 08, 2022, under International application No.PCT/IB2022/060735.
Disclaimer: Curated by HT Syndication.
