Non Oriented Electrical Steel Sheet And Manufacturing Method Therefor

Abstract: Disclosed are a method for manufacturing a non-oriented electrical steel sheet, and the manufactured non-oriented electrical steel sheet, the method comprising the steps of: heating a slab comprising, by wt%, 0.005% or less of C, 2.5-4.0% of Si, 0.1% or less of P, 0.1-2.0% of Al, 0.2-2.5% of Mn, 0.003% or less of N, 0.005% or less of Ti and Nb, 0.003% or less of S, 0.005-0.025% of V, 0.1% or less of Cu, and the balance of Fe and inevitably mixed-in impurities, and satisfying the following relation 1; hot rolling the slab so as to manufacture a hot rolled plate; cold rolling the hot rolled plate so as to manufacture a cold rolled plate; and finally annealing the cold rolled plate, wherein [relation 1] is represented by (51*[C])/12-0.002 = [V] = (51*[C])/12+0.004 (In relation 1, [C] and [V] represent the amount (wt%) of C and V, respectively).

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