ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,175, issued on Nov. 25, was assigned to JFE STEEL Corp. (Tokyo).
"Steel sheet, member, and method for producing them" was invented by Lingling Yang (Tokyo), Yoshiyasu Kawasaki (Tokyo), Hidekazu Minami (Tokyo), Tatsuya Nakagaito (Tokyo), Shotaro Terashima (Tokyo), Shunsuke Yamamoto (Tokyo), Katsuya Hoshino (Tokyo) and Yuki Takeda (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A steel sheet having a tensile strength (TS) of 780 MPa or more and less than 1180 MPa, high LME resistance, and good weld fatigue properties. The steel sheet has a specific chemical composition and a specific steel microstructure. Crystal grains containing an oxide of Si...