Steel sheet for hot pressing, and method of manufacturing the hot-pressed steel sheet member

A steel sheet for hot pressing, comprising:

• a chemical composition represented by, in mass %:
• C:
• 0.11% to 0.35%;
• Si:
• 0.5% to 2.0%;
• Mn:
• 1.0% to 3.0%;
• sol. Al:
• 0.001% to 1.0%;
• P:
• 0.05% or less;
• S:
• 0.01% or less;
• N:
• 0.01% or less;
• Ti:
• 0% to 0.20%;
• Nb:
• 0% to 0.20%;
• V:
• 0% to 0.20%;
• Cr:
• 0% to 1.0%;
• Mo:
• 0% to 1.0%;
• Cu:
• 0% to 1.0%;
• Ni:
• 0% to 1.0%;
• Ca:
• 0% to 0.01%;
• Mg:
• 0% to 0.01%;
• REM:
• 0% to 0.01%;
• Zr:
• 0% to 0.01%;
• B:
• 0% to 0.01%;
• Bi:
• 0% to 0.01%;
• and
• balance:
• Fe and impurities;
• and
• an internal oxide layer including a thickness of 30 μm or less;
• and
• a steel structure in which an area ratio of ferrite in a region ranging from a surface to 100 μm in depth is 30% to 90% and an area ratio of pearlite including an average grain diameter of 5 μm or more in a region excluding the region ranging from the surface to 100 μm in depth is 10% to 70%.