US Patent Issued to POSCO on Oct. 21 for "Non-oriented electrical steel sheet and method for manufacturing same" (South Korean Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,451,277, issued on Oct. 21, was assigned to POSCO (Pohang-si, South Korea).

"Non-oriented electrical steel sheet and method for manufacturing same" was invented by Hyung Don Joo (Pohang-si, South Korea), Il-Nam Yang (Pohang-si, South Korea), Junesoo Park (Pohang-si, South Korea) and Chang Soo Park (Pohang-si, 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: 2.2 to 4.5%, Mn: 0.5% or less (excluding 0%), Al: 0.001 to 0.5%, Sn: 0.07 to 0.25%, and N: 0.0010 to 0.0090%, and the balance of Fe and inevitable impurities.A surface layer port...