US Patent Issued to Proterial on July 21 for "Method for producing martensitic stainless steel strip, and martensitic stainless steel strip" (Japanese Inventor)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,901, issued on July 21, was assigned to Proterial Ltd. (Tokyo).

"Method for producing martensitic stainless steel strip, and martensitic stainless steel strip" was invented by Hiroyoshi Fujihara (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for producing a martensitic stainless steel strip, said method comprising: a quenching step wherein a steel strip, which contains, in mass %, from 0.3% to 1.2% of C and from 10.0% to 18.0% of Cr and has a thickness of 1 mm or less, is passed through a quenching furnace so as to be heated to a quenching temperature, and is subsequently cooled to a temperature that is not more than the Ms point; a ...