Posco

Posco Co., Ltd

So Hyun Park

Jae-Hoon Kim

Hunju Lee

Kyunghan Kim

Geun Ha Jun

Dong Gwan Kim

A non-oriented electrical steel sheet according to an exemplary embodiment of the present invention includes, by weight, Si: 2.0 to 3.5%, Al: 0.3 to 2.5%, Mn: 0.3 to 3.5%, Sn: 0.0030 to 0.2%, Sb: 0.0030 to 0.15%, P: 0.0040 to 0.18%, individually or in a total amount of 0.0005 to 0.03% of at least one of Ga and Ge, and a remainder including Fe and unavoidable impurities, and satisfies Equation 1 below.0.05&#x2264;([Sn]+[Sb])/[P]&#x2264;25&#x2003;&#x2003;[Equation 1]

Non-oriented electrical steel sheet and method for preparing same

An embodiment of the present invention provides a non-oriented electrical steel sheet, including Si at 2.0 to 4.0 wt %, Al at 1.5 wt % or less (excluding 0 wt %), Mn at 1.5 wt % or less (excluding 0 wt %), Cr at 0.01 to 0.5 wt %, V at 0.0080 to 0.015 wt %, C at 0.015 wt % or less (excluding 0 wt %), N at 0.015 wt % or less (excluding 0 wt %), and the remainder including Fe and other impurities unavoidably added thereto.0.004&#x2264;([C]+[N])&#x2264;0.022&#x2003;&#x2003;[Equation 1] (In Equation 1, [C] and [N] represent a content (wt %) of C and N, respectively.)

Non-oriented electrical steel sheet and manufacturing method therefor

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Pohang-si, South Korea

So Hyun Park