US Patent Issued to POSCO on April 1 for "Steel plate having excellent heat affected zone toughness and method for manufacturing thereof" (South Korean Inventors)

ALEXANDRIA, Va., April 2 -- United States Patent no. 12,264,387, issued on April 1, was assigned to POSCO Co. LTD (Pohang-si, South Korea).

"Steel plate having excellent heat affected zone toughness and method for manufacturing thereof" was invented by Tae-Il So (Gwangyang-si, South Korea) and Sang-Deok Kang (Gwangyang-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a steel plate which can appropriately be used as a structural material and the like. Provided are a steel plate, exhibiting excellent strength and toughness on a heat affected zone even when high heat input welding is performed, and a method for manufacturing thereof."

The patent was filed on Nov. ...