US Patent Issued to NIPPON STEEL on July 14 for "Steel material" (Japanese Inventors)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,151, issued on July 14, was assigned to NIPPON STEEL Corp. (Tokyo).

"Steel material" was invented by Daisuke Matsuo (Tokyo) and Yusaku Tomio (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "The steel material of the present disclosure includes a chemical composition consisting of, in mass %, C: 0.035% or less, Si: 1.00% or less, Mn: 1.00% or less, P: 0.030% or less, S: 0.0050% or less, sol. Al: 0.005 to 0.100%, N: 0.001 to 0.020%, Ni: 5.00 to 7.50%, Cr: 10.00 to 14.00%, Cu: 0.01 to less than 1.50%, Mo: 1.50 to 3.50%, V: 0.01 to 1.00%, Ti: 0.02 to 0.30%, Co: 0.01 to 0.50%, Ca: 0.0003 to 0.0030%, O: 0.0050% or less, W: 0 to 1.50%, Nb: 0 to 0.50%,...