Head hardened rail manufacturing method and manufacturing apparatus

A manufacturing method of a head hardened rail, the method comprising:

• forcibly cooling at least a head portion of a hot-rolled high-temperature rail or a heated high-temperature rail;
• starting the forcible cooling from a state where a surface temperature of the head portion of the rail is not less than an austenite range temperature;
• and
• performing the forcible cooling at a cooling rate of 10° C./sec or more until the surface temperature reaches 500° C. or more and 700° C. or less after the forcible cooling is started,
• adjusting the surface temperature at the start of the forcible cooling to be 800° C. or more,
• after performing the forcible cooling, then cooling the head portion at a cooling rate of −5° C./sec or more and 5° C./sec or less until a pearlite transformation finishes,
• wherein the rail comprises steel having a chemical composition comprising, by mass %, C:
• 0.15% or more and 0.85% or less, Si:
• 0.5% or more and 1% or less, Mn:
• 0.5% or more and 1% or less, Cr:
• 0.5% or more and 1% or less and V:
• 0% or more and 0.01% or less, and a remainder comprising Fe and inevitable impurities.