ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,153, issued on July 14, was assigned to Cleveland-Cliffs Steel Properties Inc..
"Super CQHT high temperature alloy-resistant aluminized steel with moderate formability" was invented by James F. Evans (Middletown, Ohio) and Jerry Lee Arnold (Franklin, Ohio).
According to the abstract* released by the U.S. Patent & Trademark Office: "A coated steel sheet includes a steel strip and an aluminum-based coating. In some versions, the steel sheet includes, in percent weight: carbon: less than 0.020%, manganese: less than 0.40%, aluminum: less than 0.015%, nitrogen: less than 0.008%, and the balance including iron and impurities. The steel strip includes a free nitrogen concentration of g...