US Patent Issued to POSCO on Oct. 7 for "Non-oriented electrical steel sheet and manufacturing method therefor" (South Korean Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,399, issued on Oct. 7, was assigned to POSCO (Pohang-si, South Korea).

"Non-oriented electrical steel sheet and manufacturing method therefor" was invented by Se Il Lee (Gyeongsangbuk-do, South Korea) and Hyunwoo Mun (Gyeongsangbuk-do, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A non-oriented electrical steel sheet according to an embodiment of the present invention includes, in wt %, Si: 1.5% or less, C: 0.01% or less (excluding 0%), Mn: 0.03 to 3%, P: 0.01 to 0.2%, S: 0.001 to 0.02%, Al: 0.01% or less (excluding 0%), N: 0.005% or less (excluding 0%), Cu: 0.02 to 0.3%, 0.0001 to 0.005 wt % of Ca and Mg either alone or in total, 0.001...