The main characteristics of the rail steel are low manganese and high carbon which content is being closed to eutectoid.
其成分特征是碳含量在共析点左右的高碳低锰钢轨钢。
The strength and tenacity of super-eutectoid steel wire have been improved notably by increasing the carbon content of the steel to more than 0.9% and controlling the heat-treatment system.
钢含磷量提高到0.9%以上,控制钢丝的热处理制度,使过共析钢丝强韧性显著提高。
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