US Patent Issued to POSCO on June 17 for "Steel sheet plated with Al-Fe for hot press forming having excellent corrosion resistance and spot weldability, and manufacturing method thereof" (South Korean Inventors)

ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,391, issued on June 17, was assigned to POSCO (Pohang-si, South Korea).

"Steel sheet plated with Al-Fe for hot press forming having excellent corrosion resistance and spot weldability, and manufacturing method thereof" was invented by Jin-Keun Oh (Gwangyang-si, South Korea), Seong-Woo Kim (Gwangyang-si, South Korea), Sang-Heon Kim (Gwangyang-si, South Korea) and Yeol-Rae Cho (Pohang-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wear resistant steel material has high hardness and excellent cut crack resistance, that can be applied to a thick steel material of which the thickness is 60 mm or more, that is not cracked even after bein...