US Patent Issued to POSCO on April 29 for "Methods of welding high manganese steel with step-out weld zone erosion-corrosion resistance" (American, South Korean Inventors)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,285,824, issued on April 29, was assigned to POSCO Co. Ltd. (Gyeongsangbuk-do, South Korea).

"Methods of welding high manganese steel with step-out weld zone erosion-corrosion resistance" was invented by HyunWoo Jin (Easton, Pa.), Ning Ma (Whitehouse Station, N.J.), Adnan Ozekcin (Bethel Park, Pa.), Andrew J. Wasson (Spring, Texas), Douglas P. Fairchild (Sugar Land, Texas), IiWook Han (Pohang, South Korea), Sangchul Lee (Pohang, South Korea), Bongkeun Lee (Pohang, South Korea) and Jongsub Lee (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods of welding high manganese steel, the methods comprising: supplying at least one piece of ...