CPC C21D 8/1222 (2013.01) [C21D 8/1205 (2013.01); C21D 8/1233 (2013.01); C21D 8/1272 (2013.01); C21D 9/46 (2013.01); C22C 38/001 (2013.01); C22C 38/002 (2013.01); C22C 38/004 (2013.01); C22C 38/008 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C22C 38/18 (2013.01); C22C 38/60 (2013.01)] | 6 Claims |
1. A grain-oriented electrical steel sheet, consisting of:
Si at 1.0 wt % to 7.0 wt %,
C at 0.005 wt % or less (excluding 0 wt %),
In at 0.001 wt % to 0.5 wt %,
Sb at 0.005 wt % to 0.15 wt %,
optionally at least one of Mn, Al, N, S, Sn, P, and Cr, and
the remainder including Fe and other impurities unavoidably added thereto,
wherein a surface roughness (Ra) is 0.1 μm or less.
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