US Patent Issued to NIPPON STEEL Stainless Steel on Feb. 17 for "Stainless steel with good mirror polishability and method for producing same" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,115, issued on Feb. 17, was assigned to NIPPON STEEL Stainless Steel Corp. (Tokyo).

"Stainless steel with good mirror polishability and method for producing same" was invented by Tooru Shibata (Tokyo), Yuto Sakaizawa (Tokyo), Shigeo Fukumoto (Tokyo), Akira Tanaka (Tokyo) and Shin Kikuchi (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "The stainless steel contains 0.0001 mass % or more and 0.15 mass % or less of C, 0.30 mass % or more and 2.0 mass % or less of Si, 0.1 mass % or more and 15 mass % or less of Mn, 5 mass % or more and 30 mass % or less of Ni, 0.0001 mass % or more and 0.01 mass % or less of S, 16 mass % or more and 25 mass % or le...