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研究了终轧温度对高强热轧双相钢组织细化和力学性能的影响。
The effect of the finishing rolling temperature on the microstructure refinement and mechanical properties of the hot rolled dual-phase steel were studied at laboratory.
试验结果表明，随着终轧温度或卷取温度的降低，试验钢强度提高，而扩孔性能降低。
The results show the strength of the tested steels was increased and hole expanding ratio was decreased with the decrease of final rolling temperature or coiling temperature.
研究了加热温度、终锻温度、冷却速度对45 V非调质钢力学性能的影响。
The influence of heating temperature, forging-ending temperature and cooling speed on the mechanical properties of untempered 45v steel is investigated.
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