US Patent Issued to ArcelorMittal on May 26 for "High strength and high formability steel sheet and manufacturing method" (French Inventors)

ALEXANDRIA, Va., May 26 -- United States Patent no. 12,637,732, issued on May 26, was assigned to ArcelorMittal (Luxembourg).

"High strength and high formability steel sheet and manufacturing method" was invented by Coralie Jung (Racrange, France), Astrid Perlade (Le Ban-Saint-Martin, France), Kangying Zhu (Metz, France) and Frederic Kegel (Yutz, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cold-rolled and heat-treated steel sheet, has a composition comprising, by weight percent: n0.10%less than equal toCless than equal to0.25%, 3.5%less than equal toMnless than equal to6.0%, 0.5%less than equal toSiless than equal to2.0%, 0.3%less than equal toAlless than equal to1.2%, with Si+Alless than=0.8%, 0...