Posco

Chang-Soo Park

Kyu-Seok Han

Jin-Wook Seo

Yu-Jun Bak

An exemplary embodiment in the present disclosure provides a grain-oriented electrical steel sheet containing, by wt %: 3.0 to 4.5% of Si; 0.05 to 0.2% of Mn; 0.015 to 0.035% of Al; 0.0015% or less (excluding 0%) of C; 0.0015% or less (excluding 0%) of N; 0.0015% or less (excluding 0%) of S; and a balance of Fe and other unavoidable impurities, wherein the grain-oriented electrical steel sheet satisfies the following Relational Expressions 1 and 2:()≤0.57  [Relational Expression 1]()≤0.76  [Relational Expression 2]

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Pohang-si, South Korea

Chang-Soo Park