POSCO Holdings Inc.
Non-oriented electrical steel sheet and manufacturing method therefor

Abstract:

An embodiment of the present invention provides a non-oriented electrical steel sheet, including Si at 2.0 to 4.0 wt %, Al at 1.5 wt % or less (excluding 0 wt %), Mn at 1.5 wt % or less (excluding 0 wt %), Cr at 0.01 to 0.5 wt %, V at 0.0080 to 0.015 wt %, C at 0.015 wt % or less (excluding 0 wt %), N at 0.015 wt % or less (excluding 0 wt %), and the remainder including Fe and other impurities unavoidably added thereto. 0.004.ltoreq.([C]+[N]).ltoreq.0.022 [Equation 1] (In Equation 1, [C] and [N] represent a content (wt %) of C and N, respectively.)