rail steel

Structural, Strength and Rigidity Analysis for Slide Rail Over and Under Type Skid Bed Drawing Steel Rail

滑轨升降拉钢台架的结构、强度、钢度分析

Basal crack in steel rail is a larger breakage occurred in the center of steel rail bottom.

钢轨底裂是出现于轨底中央部分较大的破裂，严重时有底裂缺陷的钢轨达钢轨总产量的3.52%.本文探讨钢轨底裂的基本特征及其来源；

Actual technical operation on controls over final point carbon, temperature and time for smelting heavy rail steel on aspects of loading rules, slagging process, blowing smelting, post-processing, slag thickening and tapping is analyzed and concrete operating key points and their actual effects are discussed.

从转炉装入制度、造渣工艺、吹炼制度、后期处理、炉渣稠化和出钢几方面对冶炼重轨钢终点碳、温度、时间的控制进行了实际技术操作分析，论述了具体操作要点和实际效果。

Technology study on converter high turndown carbon content of rail steel

包钢80t转炉重轨高碳出钢工艺研究

Various types of companies existing concrete lining of steel formwork car, rail , trolley concrete delivery tanker.

公司现有各类型混凝土衬砌钢模板台车, 有轨, 无轨混凝土输送罐车.

Variation of hydrogen content in molten heavy rail steel before VD process

VD脱氢前重轨钢液中氢含量变化

The structure of slide rail over and under type skid bed drawing steel rail has been introduced, and the strength and rigidity of main load-bearing slide rail have been calculated.

介绍了攀钢轨梁厂钢轨收集装置&滑轨升降式拉钢台架的结构，并计算了主要受力构件滑轨的强度和刚度。

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。

Study on the fracture scanning of rail steel and thermit welding after the tensile test at low temperature

低温下铁路钢轨钢材及铝热焊缝拉伸试件断口分析

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.

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。

So it is very important for heavy rail steel to adopt deoxidization methods with low aluminum addition.

因此，重轨钢的冶炼采用无铝脱氧工艺。

Production Process and Product Properties of Heavy Rail Steel By Continuous Casting

连铸重轨钢的生产工艺及产品性能

Experimental Study on the Mechanical Properties of Rail Steel at low Temperature

钢轨钢材低温力学性能的试验研究

Relationship between Cyclic Strain Behavior of Tempered Sorbite in a Rail Steel and Its Dislocation Structures

回火索氏体钢轨钢循环应变行为与位错结构关系的研究

Secondly, it develops the computational and analytic program of the sawing power for rail steel and channel steel with Visual, Basic language, it will offer correctly reference for us when we choose power of saw blade motor.

其次，用VISUAL BASIC语言开发了钢轨和槽钢的锯切功率计算分析程序，为正确地选择锯片电机功率提供了参考。

According to fatigue damage accumulation theory, test load of verified fatigue test on rail across beam and welded connections with integral joint of combined steel truss bridge was gotten.

依据疲劳损伤累积理论，确定了公轨两用钢桁桥轨道横梁与整体节点连接头验证性疲劳试验的试验荷载。

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

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

The effect of different vanadium contents on weldability of high strength rail steel was investigated by means of thermal simulating test.

通过焊接热模拟试验，研究了不同钒含量对高强钢轨钢可焊性的影响。

Technology and characteristic of continuous casting of heavy rail steel at home and abroad

国内外连铸生产重轨钢的工艺及特点

Strain-fatigue properties of pearlite and tempered sorbite in a C-Mn eutectoid rail steel have been studied by fully reversed constant total strain amplitude and plastic strain behavior in strain fatigue process has been investigated.

用全反向恒应变幅试验方法，研究了C-Mn轨钢珠光体及回火索氏体的应变疲劳行为，探讨了塑性应变在应变疲劳中的作用。