ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,503,749, issued on Dec. 23, was assigned to PROTERIAL LTD. (Tokyo).
"Ni-based alloy for hot die, and hot forging die using same" was invented by Shogo Suzuki (Tokyo) and Masayoshi Date (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a Ni-based alloy for a hot die having high high-temperature compressive strength, oxidation resistance, and tensile strength and capable of yielding high productivity or long die service life, and a hot forging die using the Ni-based alloy for hot die. A Ni-based alloy for hot die comprising, in mass %, W: 12.0 to 16.0%, Mo: 1.0 to 5.0%, Al: 5.0 to 7.5%, Cr: 0.5 to 5.0%, Ta: 0.5 to 7.0%, Ti: 0.1 to 3.5%, C...