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Rail head hardening heat treatment

After rail molding, the head portion of the rail must be specially hardened to improve the wear resistance of the rail head. 

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In the first step of the most processing process, the rails are generally heat-treated by induction heating. After reaching a certain temperature, the head portion of the rails must be rapidly cooled with water or compressed air. 

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The measurement of temperature is the key to this application. Proper temperature guarantees the best hardening effect and high quality products.

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