US Patent Issued to POSCO on Nov. 3 for "High-strength hot-rolled steel sheet having excellent yield ratio, and method for manufacturing same" (South Korean Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,781,299, issued on Nov. 3, was assigned to POSCO Co. LTD (Pohang-si, South Korea).

"High-strength hot-rolled steel sheet having excellent yield ratio, and method for manufacturing same" was invented by Kyongsu Park (Gyeongsangbuk-do, South Korea), Deukjung Kim (Gyeongsangbuk-do, South Korea) and Hak-jun Kim (Gyeongsangbuk-do, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a follow-up process-omitting type high-strength hot-rolled steel sheet having an excellent yield ratio and a method for manufacturing the same. The hot-rolled steel sheet includes, in percent by weight (wt %), 0.12% or more and less than 0.3% of C, 0.5% or less ...