ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,398,451, issued on Aug. 26, was assigned to JFE STEEL Corp. (Tokyo).
"Galvanized steel sheet, member, and method for producing them" was invented by Shinsuke Komine (Tokyo), Tatsuya Nakagaito (Tokyo), Kentaro Sato (Tokyo) and Tomohiro Sakaidani (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A galvanized steel sheet including a steel sheet having a chemical composition with an equivalent carbon content Ceq of 0.60% or more and less than 0.85%, and a specified steel microstructure; and a galvanized layer on a surface of the steel sheet. The retained austenite has a solute C content of 0.6% or more by mass, and retained austenite grains with an aspe...