heavy rail

Development of mold flux for heavy rail steel at PZHISC;

攀钢大方坯重轨钢连铸保护渣的开发

Control and effect of technological operation for smelting heavy rail steel with LD;

转炉冶炼重轨钢技术操作控制及效果

Effect of mould electromagnetic stirring on innter quality of heavy rail steel bloom;

结晶器电磁搅拌对重轨钢大方坯内部质量的影响

Metallurgical targets of using mold electromagnetic stirring(M-EMS) in bloom continuous casting of heavy rail steel was not fully achieved in the pact.

针对攀钢大方坯连铸机投产初期重轨钢连铸电磁搅拌冶金效果不明显的问题,开展了优化重轨钢连铸结晶器电磁搅拌工艺参数的现场试验,对比研究了电磁搅拌电流对重轨钢铸坯中心疏松、中心偏析、等轴晶率等内部质量的影响,制定了满足攀钢重轨钢连铸工艺要求的电磁搅拌工艺制度。

With the aim of reducing the center looseness and central segregation of heavy rail steel bloom by en- hancing the metallurgical results of soft reduction(SR)employed in continuous bloom caster,a series of experi- ments for optimizing the process parameters of soft reduction is carried out.

针对攀钢大方坯连铸机投产初期引进的轻压下装备技术冶金效果不明显、重轨钢铸坯中心疏松、中心偏析等内部缺陷较严重的问题,开展了优化重轨钢连铸轻压下工艺的现场试验,对比研究了轻压下工艺对重轨钢铸坯中心疏松、中心偏析等内部质量的影响,建立了适应重轨钢要求的动态轻压下工艺技术。

The secondary cooling scheme previous employed in continuous bloom caster was of following inadaptabilities for production of rail steel, such as the density of the secondary cooling and water distribution in secondary cooling zones.

针对攀钢大方坯连铸引进的二冷控制技术在连铸比水量和二冷区水量分配等方面存在的问题,通过测试研究重轨钢的高温延塑性能和二冷区的铸坯表面温度分布,制定了满足攀钢重轨钢连铸工艺要求的二冷控制制度。

Development of smelting technology for heavy-rail steel in China;

我国重轨钢冶炼技术的发展

Grain boundary segregations of microelements Sn arc As in U74 heavy-rail steel after austeniized at 1200℃ then cooled at different colling rates were determined by means of Auger electron spectrum and X-ray surface analysis.

用Auger谱仪和X射线面扫描探测了U_(74)重轨钢在加热到1200℃奥氏体化以后再以不同冷速进行冷却的条件下微量元素Sn,As的偏聚情况。

Production Practice of Heavy Rail Steel from No.5 Continuous Caster in the Steel-making Plant of Baotou Steel

包钢炼钢厂5~#连铸机生产重轨钢生产实践

Analysis and Research on Soft Reduction in Continuous Casting of Heavy Rail Bloom;

重轨钢连铸大方坯轻压下的分析研究

Variations of hydrogen content in molten heavy rail steel from LD tapping to mould at Baotou iron and steel group

包钢重轨钢从转炉出钢到结晶器过程中氢含量变化

Influence of Rolling Reduction on Pearlite Grain Size in Heavy Rail of Steel U75V

轧制变形对U75V重轨钢珠光体晶粒度的影响

Pilot Production with Dynamic Soft Reduction to Improve Composition Uniformity in Cast Bloom of Heavy Rail Steels

轻压下改善重轨钢铸坯成分均匀性的生产试验

Development and Application of Metallurgy Technology of High-Speed Heavy Rail with 100 m in WISCO

武钢高速铁路用百米重轨钢冶炼技术的开发与应用

Analysis on Effect of Dynamic Soft Reduction Technique Applied in Production of Heavy Rail Steel

动态轻压下工艺在重轨钢生产中的应用效果分析

Effect of Rare Earth Microalloying Elements on Dynamic Recrystallization of U71Mn,REⅡ Heavy Rail Steels

稀土微合金元素对U71Mn,REⅡ重轨钢动态再结晶的影响

Research on dynamic recrystallization and microstructures of the microalloyed heavy rail

微合金元素对重轨钢动态再结晶及其显微组织的影响

A Study on Thermodynamic Model for Rare Earth Element Existence in Clean Heavy Rail Steel

稀土元素在洁净重轨钢中存在状态的热力学模型研究

Research on Design of the 40.5 m Steel Track Girder for Line 2 of Chongqing Light Rail

重庆轻轨2号线40.5m钢轨道梁设计研究

Computer simulation of quenching stress field during U71Mn steel heavy-duty rail-head quenching process

U71Mn钢重轨轨头淬火应力场的计算机模拟

Key Techniques of Full Digital Controlling for Heavy Rail Tilter;

重轨翻钢机全数字控制关键技术研究

Study on the Preventive Grinding Process of Heavy and High Speed Transit;

高速重载线路钢轨打磨方法优化研究

The Characteristics of Process and Equipment of High Speed Heavy Rail Universal Mill Line of Wuhan Iron & Steel Co.,Ltd.

武钢高速重轨万能轧机工艺设备特点

Research on the Performances of U77MnCr Used for Heavy-haul Railway

重载铁路用U77MnCr钢轨的试验研究

Causes and experimental analysis of gantry crane's rail fracture

龙门起重机用钢轨断裂原因试验分析

Effect of Corrugation to Rail Shakedown and Wheel-rail Contact Force

波浪形磨耗对重载钢轨安定性及轮轨接触力的影响