Grain Oriented Electrical Steel Sheet And Method For Manufacturing Same

Abstract: The present invention pertains to a grain-oriented electrical steel sheet and a method for manufacturing same. The grain-oriented electrical steel sheet according to an embodiment of the present invention comprises: a base material containing 2.5-4.0 wt% of Si, 0.005 wt% or less of C, 0.015-0.040 wt% of Al, 0.04-0.15 wt% of Mn, 0.005 wt% or less of N, 0.03-0.10 wt% of Sn, 0.05-0.2 wt% of Cr, 0.010-0.050 wt% of P, and 0.01-0.05 wt% of Sb, with the remainder comprising Fe and inevitable impurities; and a metal oxide layer disposed on the base material, and has an average iron loss (W17/50) of 0.80 W/kg or less, wherein the maximum emission intensity ratio of the metal oxide layer may satisfy Expression 1. Expression 1: I(Cr)/I_max(Mg) = 2 % (In Expression 1, I(Cr) is the intensity of Cr in the metal oxide layer, and I_max(Mg) denotes the maximum emission intensity of Mg in the metal oxide layer)

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