US Patent Issued to Haynes International on March 17 for "Wroughtable, chromium-bearing, cobalt-based alloys with improved resistance to galling and chloride-induced crevice attack" (Indiana Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,640, issued on March 17, was assigned to Haynes International Inc. (Kokomo, Ind.).

"Wroughtable, chromium-bearing, cobalt-based alloys with improved resistance to galling and chloride-induced crevice attack" was invented by Paul Crook (Kokomo, Ind.) and Ramanathan Krishnamurthy (Carmel, Ind.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A chromium-bearing, cobalt-based alloys amenable to wrought processing has improved resistance to both chloride-induced crevice corrosion and galling. The alloy contains up to 3.545 wt. % nickel, 0.242 to 0.298 wt. % nitrogen, and may contain 22.0 to 30.0 wt. % chromium, 3.0 to 10.0 wt. % molybdenum, up to 5.0 wt. ...