US Patent Issued to POSCO on Feb. 18 for "Steel plate for pressure vessel having excellent hydrogen induced cracking resistance and method of manufacturing same" (South Korean Inventor)

ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,227,826, issued on Feb. 18, was assigned to POSCO Co. LTD (Pohang-si, South Korea).

"Steel plate for pressure vessel having excellent hydrogen induced cracking resistance and method of manufacturing same" was invented by Dae-Woo Kim (Pohang-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An embodiment of the present invention provides a steel plate for a pressure vessel having excellent hydrogen-induced cracking resistance and a method of manufacturing same, the steel plate comprising, in weight %, 0.2 to 0.3% of carbon (C), 0.05 to 0.50% of silicon (Si), 0.1% to 0.5% (exclusive) of manganese (Mn), 0.005 to 0.1% of aluminum (Al), 0.010% o...