Non-oriented electrical steel sheet and method for manufacturing the same

A non-oriented electrical steel sheet comprising a base material having a chemical composition including, in mass %,

• C:
• 0 to 0.0050%,
• Si:
• 4.2 to 4.8%,
• Mn:
• 0.05% or more and less than 0.50%,
• sol. Al:
• 0.05 to 0.45%,
• P:
• 0 to 0.030%,
• S:
• 0 to 0.0030%,
• N:
• 0 to 0.0040%,
• Ti:
• 0% or more and less than 0.0050%,
• Nb:
• 0% or more and less than 0.0050%,
• Zr:
• 0% or more and less than 0.0050%,
• V:
• 0% or more and less than 0.0050%,
• Cu:
• 0% or more and less than 0.200%,
• Ni:
• 0% or more and less than 0.500%,
• Sn:
• 0 to 0.100%,
• Sb:
• 0 to 0.100%, and
• the remainder:
• Fe and impurities,
• wherein a recrystallization rate is 20% or more and less than 100% in terms of an area fraction,
• the following Formula (i) and Formula (ii) are satisfied,
• a tensile strength of the non-oriented electrical steel sheet is more than 700 MPa, and
• a sheet thickness of the non-oriented electrical steel sheet is 0.10 to 0.30 mm:
• 4.3≤Si+sol. Al+0.5×Mn≤4.9 (i)
• where, element symbols in the formula indicate the content (mass %) of the elements:
• (B50(0°)+2×B50(45°)+B50(90°))/4≥1.57 (ii)
• where, in Formula (ii), B50 (0°) is a magnetic flux density (T) at a magnetizing force of 5,000 A/m in a rolling direction, B50 (45°) is a magnetic flux density (T) at a magnetizing force of 5,000 A/m in the direction 45° from the rolling direction, and B50 (90°) is a magnetic flux density (T) at a magnetizing force of 5,000 A/m in the direction 90° from the rolling direction.