US Patent Issued to JFE STEEL on May 12 for "Steel sheet, member, and method for producing steel sheet, and method for producing member" (Japanese Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,413, issued on May 12, was assigned to JFE STEEL Corp. (Tokyo).

"Steel sheet, member, and method for producing steel sheet, and method for producing member" was invented by Shimpei Yoshioka (Tokyo), Shinjiro Kaneko (Tokyo) and Yuma Honda (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A steel sheet including: a chemical composition containing, by mass %, C: 0.12-0.40%, Si: 1.5% or less, Mn: more than 1.7% and 3.5% or less, P: 0.05% or less, S: 0.010% or less, sol. Al: 1.00% or less, N: 0.010% or less, Ti: 0.002-0.080%, and B: 0.0002-0.0050%, with the balance being Fe and inevitable impurities; a metallic structure in which an area ratio of mart...