US Patent Issued to JFE Steel on Sept. 15 for "High-strength hot rolled steel sheet and method for producing the same, and high-strength electric resistance welded steel pipe and method for producing the same" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,758, issued on Sept. 15, was assigned to JFE Steel Corp. (Tokyo).

"High-strength hot rolled steel sheet and method for producing the same, and high-strength electric resistance welded steel pipe and method for producing the same" was invented by Akihide Matsumoto (Tokyo) and Shinsuke Ide (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a high-strength hot rolled steel sheet and a high-strength electric resistance welded steel pipe and methods for producing the same. In the steel microstructure of the steel sheet at the thickness center of the steel sheet, the volume fractions of bainite and ferrite are specific values, the average...