MUMBAI, India, June 13 -- Intellectual Property India has published a patent application (202517050498 A) filed by Arcelormittal, Luxembourg, on May 26, for 'method of manufacturing steel press parts with low environmental impact.'
Inventor(s) include Brossard, Maxime; Grigorieva, Raisa; Machado Amorim, Tiago; and Feltin, Pascale.
The application for the patent was published on June 13, under issue no. 24/2025.
According to the abstract released by the Intellectual Property India: "A process for manufacturing a press-hardened part comprising the following steps: A) The provision of a steel sheet provided with a coating, said coating comprising by weight percent, 7.5 to 8.5 % of zinc, 2.7 to 3.5 % of silicon, 1.0 to 3.0 % of magnesium, up to 3.0 % of iron as residual element, and optional elements chosen from Ni Zr, Hf, Sr, Sb, Pb, Ti, Ca, Mn, Sn, La, Ce, Cr or Bi, the content by weight of each element being less than 0.3 % and unavoidable impurities up to 0.02 %, the balance being aluminum, B) The cutting of the coated steel sheet to obtain a blank, C) Heating said coated steel sheet in a furnace at a temperature set from 900 to 950 C and during a time from 2.5 to 4.0 minutes, D) Transferring into a press tool, E) Press-Hardening to obtain press-hardened part."
The patent application was internationally filed on Dec. 09, 2022, under International application No.PCT/IB2022/061993.
Disclaimer: Curated by HT Syndication.
