Hot stamped article

A hot stamped article, having a chemical composition comprising, by mass %,

• C:
• 0.35% to 0.75%,
• Si:
• 0.005% to 0.25%,
• Mn:
• 0.5% to 3.0%,
• sol. Al:
• 0.0002% to 3.0%,
• Cr:
• 0.05% to 1.00%,
• B:
• 0.0005% to 0.010%,
• Nb:
• 0.01% to 0.15%,
• Mo:
• 0.005% to 1.00%,
• Ti:
• 0% to 0.15%,
• Ni:
• 0% to 3.00%,
• P:
• 0.10% or less,
• S:
• 0.10% or less,
• N:
• 0.010% or less and
• a balance of Fe and unavoidable impurities,
• microstructures in which at least one of lower bainite, martensite, and tempered martensite are contained with an area rate of 90% or more, and
• when the <011> direction of the crystal grains of the lower bainite, martensite, and tempered martensite is a rotational axis, a ratio of a length of grain boundaries with a rotational angle 15° or more to a length of grain boundaries with a rotational angle of 5° to 75° is 80% or more.