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本文主要介绍了PD360kg／m含钒微合金全长热处理钢轨的性能和使用效果。采用电感应加热、压缩空气火速淬火工艺生产的PD3微合金全长热处理钢轨，性能为：Q0.2，900～1040MPa、σb1300～1420MPa、δ5；10～16％、常温冲击韧性ak20～321／cm2、断裂韧性K1c47MPam1／2以上。线路使用表现出具有优良的综合使用性能，使用寿命比碳素热处理钢轨提高一倍以上，比U71Mn普轨提高3倍以上。
This article mainly introduces the performance and the use effect of the PD360kg / m vanadium microalloyed full length heat-treated rail. The use of induction heating, compressed air rapid quenching process PD3 micro-alloy full-length heat-treated rails, performance: Q0.2,900 ~ 1040MPa, σb1300 ~ 1420MPa, δ5; 10 ~ 16%, room temperature impact toughness ak20 ~ 321 / cm2 , Fracture toughness K1c47MPam1 / 2 or more. The use of the circuit shows an excellent combination of performance, life expectancy than the carbon heat treatment more than double the rail, U71Mn than ordinary rail increased more than 3 times.