US Patent Issued to POSCO on Sept. 8 for "Non-oriented electrical steel sheet and method for manufacturing same" (South Korean Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,418, issued on Sept. 8, was assigned to POSCO Co. LTD (Pohang-si, South Korea).

"Non-oriented electrical steel sheet and method for manufacturing same" was invented by Hunju Lee (Pohang-si, South Korea), Su-Yong Shin (Pohang-si, South Korea) and Yunsu Kim (Pohang-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A non-oriented electrical steel sheet includes by wt %, Si: 3.0 to 4.0%, Al: 0.1 to 1.5%, Mn: 0.1 to 0.5%, Cr: 2 to 20% of Mn content, a sum of Sn and Sb: 0.006 to 0.1%, C: 0.0010 to 0.0050%, and 0.0003 to 0.0050% of at least one of N, S, Ti, Nb, and V, and balance being Fe and unavoidable impurities, in which an area fraction o...