ALEXANDRIA, Va., July 16 -- United States Patent no. 12,668,853, issued on June 30, was assigned to POSCO (Pohang-si, South Korea).
"Non-heat treated wire rod having excellent drawability and impact toughness and method for manufacturing same" was invented by Dong-Jun Mun (Pohang-si, South Korea), In-Gyu Park (Pohang-si, South Korea) and Se-Hong Min (Pohang-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a non-heat treated wire rod having high drawability and impact toughness, and a method for manufacturing the non-heat treated wire rod. The non-heat treated wire rod includes, by wt %, C: 0.02% to 0.30%, Si: 0.05% to 0.8%, Mn: 0.5% to 2.0%, Cr: 1.0% or less, P: 0.03% or less, S: 0...