Heat treatment method of high-carbon steel heavy-duty railway wheels and small wheel specimen heat treatment method simulating same

The invention provides a heat treatment method of high-carbon steel heavy-duty railway wheels and a small wheel specimen heat treatment method simulating same. The heat treatment process in the process of industrial production is simulated by the following heat treatment process: a small specimen which is 25mm in diameter is taken from any part of a wheel, the small specimen is heated to 860 DEG Calong with a furnace, kept at the temperature for 0.5 hour, hardened by oil and then air-cooled, and finally, the small specimen is heated to 480 DEG C again, tempered and kept at the temperature for2 hours. The internal cooling condition of rims in the process of heat treatment on industrially produced wheels is effectively simulated under laboratory conditions, and the method can help reduce the cost of development, reduce the number of industrial experiments on a new product and shorten the period of new product development. 本发明提供了种高碳钢铁路重载车轮的热处理方法及模拟此方法的车轮小试样热处理方法。通过在车轮的任意部位取Φ25mm的小试样，随炉升温至860℃保温0.5小时，经油冷淬火，然后空冷，最