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US 12,215,400 B2Granted
Non-directional electrical steel sheet and method for producing same
AssigneePosco
InventorsJaewan Hong, June Soo Park, Su-Yong Shin, Yong-Soo Kim
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Abstract
A non-oriented electrical steel sheet according to an embodiment of the present invention includes, in wt %, Si at 0.2 to 4.3%, Mn at 0.05 to 2.5%, Al at 0.1 to 2.1%, Bi at 0.0001 to 0.003%, Ga at 0.0001 to 0.003%, and the balance of Fe and inevitable impurities.
Claims6
A non-oriented electrical steel sheet including, in wt %, Si at 0.2% to 4.3%, Mn at 0.05% to 2.5%, Al at 0.1% to 2.1%, Bi at 0.0003% to 0.003%, Ga at 0.0005% to 0.003%, and a balance of Fe and inevitable impurities,
- wherein the non-oriented electrical steel sheet satisfies Formula 2:
- −0.002≤[Bi]+[Ga]≤0.005, [Formula 2]
- wherein in Formula 2, [Bi] and [Ga] represent content by wt % of Bi and Ga, respectively.
Dependencies are inferred from the claim text.