US Patent Issued to JFE STEEL on Sept. 15 for "Steel sheet, member, and method for producing steel sheet, and method for producing member" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,762, issued on Sept. 15, 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: "To provide a steel sheet with a tensile strength of 1310 MPa or more that can achieve excellent press formability in a steel having a martensite-dominant microstructure with excellent delayed fracture resistance properties. Disclosed is a steel sheet including: a chemical composition containing, by mass %, C: 0.12-0.40%, Si: 1.5% or less, Mn: 1.7% or less, P: ...