US Patent Issued to TOCALO, Sanyo Special Steel on June 23 for "Atomized powder, thermal spray coating, hearth roll, and method for producing hearth roll" (Japanese Inventors)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,709, issued on June 23, was assigned to TOCALO Co. Ltd (Kobe, Japan) and Sanyo Special Steel Co. Ltd. (Himeji, Japan).

"Atomized powder, thermal spray coating, hearth roll, and method for producing hearth roll" was invented by Yuhei Ohide (Akashi, Japan), Tatsuo Suidzu (Akashi, Japan), Toshiyuki Sawada (Himeji, Japan) and Tomoki Hirono (Himeji, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An atomized powder has a heat-resistant alloy phase and a Cr7C3 phase dispersed in the heat-resistant alloy phase, and contains 20 to 46% of Ni, 22 to 43% of Cr, 4 to 13% of Al, 0.1 to 1.0% of Y, and 0.3 to 4.2% of C on a mass basis, and a remainder thereof...