Steel Sheet

Abstract: The present invention provides a steel sheet having a specific chemical composition, in which: index A represented by 10 [C] + 0.3 [Mn] - 0.2 [Si] - 0.6 [Al] - 0.05 [Cr] - 0.2 [Mo] is 1.10% or less; the metal structure by surface area% is 70 to 95% ferrite and 5 to 30% hard phase; the maximum continuous length in the rolling direction of the hard phase at a position 1/2 sheet thickness is 80 µm or less; and the maximum continuous length in the rolling direction of the hard phase at a position 1/4 sheet thickness is 40 µm or less.

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