US Patent Issued to POSCO on June 2 for "Al-Fe-alloy plated steel sheet for hot forming, having excellent TWB welding characteristics, hot forming member, and manufacturing methods therefor" (South Korean Inventors)

ALEXANDRIA, Va., June 2 -- United States Patent no. 12,644,170, issued on June 2, was assigned to POSCO Co. LTD (Pohang-si, South Korea).

"Al-Fe-alloy plated steel sheet for hot forming, having excellent TWB welding characteristics, hot forming member, and manufacturing methods therefor" was invented by Seong-Woo Kim (Gwangyang-si, South Korea), Jin-Keun Oh (Gwangyang-si, South Korea), Yeol-Rae Cho (Gwangyang-si, South Korea) and Hyeon-Jeong Shin (Incheon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an Al-Fe-alloy plated steel sheet for hot forming, having excellent TWB welding characteristics since excellent hardness uniformity of a TWB weld zone after hot forming is obtained by s...