US Patent Issued to ArcelorMittal on Aug. 4 for "Hot rolled and heat-treated steel sheet and method of manufacturing the same" (French Inventors)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,698,550, issued on Aug. 4, was assigned to ArcelorMittal (Luxembourg).

"Hot rolled and heat-treated steel sheet and method of manufacturing the same" was invented by Astrid Perlade (Le Ban-Saint-Martin, France), Kangying Zhu (Metz, France), Frederic Kegel (Yutz, France) and Blandine Remy (Sanry les Vigy, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hot rolled and heat-treated steel sheet, made of a steel having a composition including, by weight percent: C: 0.03-0.18%, Mn: 6.0-11.0%, Mo: 0.05-0.5%, B: 0.0005-0.005%, Sless than equal to0.010%, Pless than equal to0.020%, Nless than equal to0.008%, and including optionally one or more of the foll...