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1·The significance of stress corrosion test for rail steel is demonstrated.

本文首先阐述了研究轨钢应力腐蚀的意义。

2·Adhesive wear and surface - fatigue wear are the two major wear forms in rail steel.

粘附磨损和疲劳磨损是轨钢的主要磨损形式。

3·A new submerged entry nozzle (SEN) with four outlets was used for casting heavy rail steel.

针对攀钢大方坯连铸结晶器，采用四孔水口浇注重轨钢。

4·The rigidity's evolvement of the two kinds of PD3 rail steel at different stage of life is analyzed.

分析了两种PD3钢轨钢在固定荷载循环条件下不同寿命阶段试样理论应力最大处的维氏硬度的演化。

5·Quenching is one of the leading technologies that improves the strength and toughness of rail steel.

钢轨全长淬火是使钢轨强韧化的主要途径之一。

6·The production status of rail steel and smelting technology of heavy-rail steel in China are summarized.

本文对我国钢轨钢的生产情况及重轨钢的冶炼技术做了综合论述。

7·There are some amount of the chain sulphide inclusion in the microstructure of the rail steel frequently.

钢轨钢中常含有数量较多的条链状硫化锰夹杂物。

8·The wear rate of rail steel increases linearly with the hardness of the corresponding wheel steel rising.

钢轨材料的磨损率随对应车轮硬度的增加而增加，且近似呈线性关系。

9·Laser transformation hardening was carried out on U74 rail steel by a self-developed high power diode laser.

使用自制的大功率半导体激光器对U 74轨钢进行了相变硬化。

10·This paper introduces the change of microstructure and properties of the rolled rail steel of CC bloom in hot charging.

文章主要介绍了采用钢轨钢连铸坯热送热装工艺生产钢轨组织的变化和所能达到的各项性能指标。