Steel sheet for hot stamping

A steel sheet for hot stamping comprising:

• a base material;
• an Al—Si alloy plating layer in which an Al content is 75 mass % or more, a Si content is 3 mass % or more and a total of the Al content and the Si content is 95 mass % or more;
• an Al oxide coating having a thickness of 0 to 4 nm;
• and
• a Ni plating layer having a Ni content of more than 90 mass % in this order,
• wherein the base material has a chemical composition of, by mass %,
• C:
• 0.01% or more and less than 0.70%;
• Si:
• 0.001% to 1.000%;
• Mn:
• 0.40% to 3.00%;
• sol. Al:
• 0.0002% to 0.5000%;
• P:
• 0.100% or less;
• S:
• 0.1000% or less;
• N:
• 0.0100% or less;
• Cu:
• 0% to 1.00%;
• Ni:
• 0% to 1.00%;
• Nb:
• 0% to 0.150%;
• V:
• 0% to 1.000%;
• Ti:
• 0% to 0.150%;
• Mo:
• 0% to 1.000%;
• Cr:
• 0% to 1.000%;
• B:
• 0% to 0.0100%;
• Ca:
• 0% to 0.010%;
• REM:
• 0% to 0.300%;
• and
• a remainder:
• Fe and an impurity,
• the Al—Si alloy plating layer has a thickness of 7 to 148 μm,
• the Ni plating layer has a thickness of more than 200 nm and 2500 nm or less, and
• wherein a metallographic structure of the base material, in terms of an area ratio in a cross section, an area ratio of ferrite is 20 to 80%, an area ratio of pearlite is 20 to 80% and an area ratio of a remainder in microstructure is less than 5%.