US Patent Issued to ArcelorMittal on Sept. 8 for "Method for producing a high strength coated steel sheet having improved ductility and formability, and obtained coated steel sheet" (French Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,408, issued on Sept. 8, was assigned to ArcelorMittal (Luxembourg).

"Method for producing a high strength coated steel sheet having improved ductility and formability, and obtained coated steel sheet" was invented by Maya Gospodinova (Maizieres-les-Metz, France) and Veronique Hebert (Saint-Julien-les-Metz, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for producing a coated steel sheet having a tensile strength TS of at least 1100 MPa, a total elongation TE according to ISO standard 6892-1 of at least 12%, the product TSxTE of the tensile strength by the total elongation being at least 14200 MPa %, and a hole expansion ratio HER acc...