US Patent Issued to NIPPON STEEL on Dec. 30 for "Hot-stamped member and steel sheet for hot stamping" (Japanese Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,754, issued on Dec. 30, was assigned to NIPPON STEEL Corp. (Tokyo).

"Hot-stamped member and steel sheet for hot stamping" was invented by Kazuhisa Kusumi (Tokyo), Katsuhiro Fuchigami (Tokyo), Takashi Aramaki (Tokyo), Hideaki Irikawa (Tokyo), Haruhiko Eguchi (Tokyo), Takahisa Honda (Tokyo) and Takashi Morohoshi (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a hot-stamped member or a steel sheet for hot stamping having a chemical composition including, in mass %, C: 0.25% or more and 0.55% or less, Si: 0.001% or more and 2.0% or less, Mn: 0.3% or more and 3.0% or less, P: 0.02% or less, S: 0.003% or less, Al: 0.005% or more an...