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.
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。
The production status of rail steel and smelting technology of heavy-rail steel in China are summarized.
RMS- 343架装工业计算机机箱由重轨钢构成，耐用和耐腐蚀。
The RMS-343 rackmount industrial computer chassis is constructed of heavy-gauge steel for ruggedness and corrosion resistance.
本文结合生产，对鞍钢大型碱性平炉冶炼重轨钢的脱氧问题进行了试验。
Experiments were carried out with a view to ascertaining the most suitabledeoxidation process for basic open-hearth smelting of rail-steel in Anshan works.
根据包钢重轨钢的冶炼条件，采用VD真空处理降低钢液中氢含量是完全必要的。
According to smelting condition of Baotou iron and steel group, VD refining process should be adopted to reduce the hydrogen content in the heavy rail steel.
重轨钢的耐腐蚀性能同其强度和韧性一样，事关铁路运营效益和安全等重大问题。
The corrosion resistance of the heavy rail steel as well as the strength and toughness, is a matter of major issues concerning railway operation efficiency and security.
当稀土加入量为0.01%时，重轨钢的奥氏体晶粒尺寸明显细化，冲击韧度显著改善。
When the content of RE addition is 0.01%, the grain size of austenite can be obviously fined, and the impacting toughness of heavy rail steel can be obviously improved.
研究了包钢重轨钢从转炉出钢到结晶器各个工序过程（未经VD真空处理）钢液中氢含量变化。
The hydrogen content in the molten heavy rail steel was measured in every stages from LD tapping to mould(without the VD refining process).
大方坯连铸机主要浇铸优质钢和合金钢，如重轨钢、硬线钢、弹簧钢、轴承钢、合金结构钢等重点品种。
A bloom continuous Casting machine main cast quality steel and alloy steel, such as heavy rail steel, hard-line steel, spring steel, bearing steel, alloy structural steel, and other key species.
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。
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.
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。
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.
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。
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.
采用有限元方法，对某钢厂的重轨钢大方坯连铸机的凝固过程温度场分布情况、坯壳生长规律和凝固率进行了模拟研究。
The finite element method (FEM) model was established to predict the temperature field, shell growth and solid fraction of the heavy rail bloom caster.
高速重轨钢的冶炼可以在LF精炼过程中采用较高的炉渣碱度，而在RH精炼过程中，应适当降低炉渣碱度和减少精炼时间。
During the high rate heavy rail steel smelting, the upper basicity slag can be used during the LF refining, but it reduces suitable basicity of slag and refining time during the RH refining.
简要介绍了包钢钢联轨梁轧钢厂连铸坯轧制重轨的工艺、设备，以及重轨产品的质量和力学性能。
The technology and equipment of rolling heavy rail by using continuous casting billet were introduced. The quality and mechanical performance of heavy rail were introduced too.
简要介绍了包钢钢联轨梁轧钢厂连铸坯轧制重轨的工艺、设备，以及重轨产品的质量和力学性能。
The technology and equipment of rolling heavy rail by using continuous casting billet were introduced. The quality and mechanical performance of heavy rail were introduced too.
应用推荐