ALEXANDRIA, Va., July 16 -- United States Patent no. 12,358,274, issued on July 15, was assigned to POSCO Co. LTD (Pohang-si, South Korea).
"Method of manufacturing clad steel sheet having excellent formability and fatigue property" was invented by Tae-Jin Song (Gwangyang-si, South Korea) and Min-Seo Koo (Gwangyang-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a method of manufacturing a clad steel sheet. The method includes: preparing a base material including C: 0.3 to 1.0%, Mn: 4.0 to 16.0%, Al: 4.5 to 9.0%, and a remainder of Fe and inevitable impurities; preparing a cladding material including C: 0.1 to 0.45%, Mn: 0.1 to 3.0%, and a remainder of Fe and inevitable impurities;...