This paper mainly analyzes the process of bloom casting for heavy rail and internal cracks like central crack and so on in order to solve the internal quality problems.
对方坯重轨钢系列铸坯内部产生的中间裂、中心裂等缺陷进行工艺探索研究，以解决生产过程中出现的内部质量问题。
The key technologies, such as M-EMS, secondary cooling scheme, dynamic soft reduction, and its application to bloom continuous casting for heavy rail steel were presented.
简述了攀钢大方坯连铸结晶器电磁搅拌技术、二冷控制技术和凝固末端动态轻压下技术在重轨钢连铸中的应用效果。
The key technologies, such as M-EMS, secondary cooling scheme, and dynamic soft reduction, and its application to bloom continuous casting for heavy rail steel were presented.
简述了攀钢大方坯连铸结晶器电磁搅拌技术、二冷控制技术和凝固末端动态轻压下技术在重轨钢连铸中的应用效果。
Via vacuum induction furnace and metallographical analysis, the effects of RE on the grain size of the austenite and distance of the pearlite laminae of high-carbon steel for heavy rail were studied.
通过真空感应炉模拟实验，结合金相分析，研究稀土对于高碳重轨钢奥氏体晶粒尺寸和珠光体片层间距等的影响作用。
That has allowed coal mines and shippers to switch to cheaper rail transport from costly trucks for heavy cargos.
煤矿和其他货主在运输重型货物时，可以选择比比以往高成本的公路运输更便宜的铁路运输方式。
The equivalent figures for passenger kilometres are 75% by automobile, 24% by air and 1% by heavy rail.
而乘客旅行里程数的等效数据是：汽车：75%，飞机：24%，火车：1%。
Described is the optimized design method for wheel-rail profile on heavy haul lines in Russia.
介绍了俄罗斯重载线路轮轨外形匹配最优化的设计方法。
The results indicate that the wear of gauge-rail and the plastic flow are dominant for heavy-haul curve rail, and the fatigue behavior is primary for high-speed rail.
钢轨侧磨与压溃是重载曲线段钢轨的主要损伤类型，而高速铁路钢轨主要表现为疲劳损伤特征；
The different rail curve asymmetrical grinding was introduced for high-speed and heavy-haul rail.
阐述了高速与重载铁路钢轨不同曲线轨头非对称打磨技术的原理及应用。
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。
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。
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