US Patent Issued to POSCO on April 21 for "High toughness high carbon cold rolled steel sheet having excellent formability, and method for manufacturing same" (South Korean Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,881, issued on April 21, was assigned to POSCO Co. LTD (Pohang-si, South Korea).

"High toughness high carbon cold rolled steel sheet having excellent formability, and method for manufacturing same" was invented by Je-Wook Jang (Pohang-si, South Korea), Hak-Jun Kim (Pohang-si, South Korea) and Sun-Mi Kim (Pohang-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "One embodiment of the present invention provides: a high toughness high carbon cold rolled steel sheet having excellent formability comprising, by weight %, C: 0.80% to 1.25%, Mn: 0.2% to 0.6%, Si: 0.01% to 0.4%, P: 0.005% to 0.02%, S: 0.01% or less, Al: 0.01% to 0.1%, Cr: 0.01% ...