ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,097, issued on Feb. 17, was assigned to ArcelorMittal (Luxembourg).
"Method for producing a high strength steel sheet having improved ductility and formability, and obtained steel sheet" was invented by Maya Gospodinova (Maizieres-les-Metz, France) and Pavan Venkatasurya (East Chicago, Ind.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for producing a steel sheet, the method containing the following successive steps: providing a cold-rolled steel sheet, the chemical composition of the steel containing in weight %: 0.15%less than equal toCless than equal to0.23%, 2.0%less than equal toMnless than equal to2.8%, 1.0%less than equal toSiless t...