Hot-rolled steel sheet

A hot-rolled steel sheet having a chemical composition comprising, in mass %,

• C:
• 0.100 to 0.350%,
• Si:
• 0.30 to 3.00%,
• Mn:
• 1.00 to 4.00%,
• sol. Al:
• 0.001 to 2.000%,
• Si+sol. Al:
• 1.00 to 5.00%,
• P:
• 0.100% or less,
• S:
• 0.0300% or less,
• N:
• 0.1000% or less,
• O:
• 0.0100% or less,
• Ti:
• 0 to 0.380%,
• Nb:
• 0 to 0.100%,
• V:
• 0 to 0.500%,
• Cu:
• 0 to 2.00%,
• Cr:
• 0 to 2.00%,
• Mo:
• 0 to 1.00%,
• Ni:
• 0 to 2.00%,
• B:
• 0 to 0.0100%,
• Ca:
• 0 to 0.0200%,
• Mg:
• 0 to 0.0200%,
• REM:
• 0 to 0.1000%,
• Bi:
• 0 to 0.020%,
• one or more of Zr, Co, Zn and W:
• 0 to 1.00% in total,
• Sn:
• 0 to 0.050%, and
• a remainder comprising Fe and impurities, and
• wherein a microstructure comprises, in area %,
• bainite:
• 55 to 95%,
• retained austenite:
• 5 to 30%,
• fresh martensite:
• 5% or less,
• ferrite:
• 5% or less, and
• pearlite:
• 5% or less,
• in a texture at a region from a surface to a ⅛ thickness depth from the surface, a pole density of {110}<111> orientation is 3.0 or less, and
• an arithmetic average roughness Ra of the surface after pickling is less than 1.2 μm.