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Steel Rail-UIC860 Standard Specifications
|
Standard: UIC860 |
|||||||
|
Size |
Dimension(mm) |
Weight |
Material |
Length (m) |
|||
|
Head(mm) |
Height(mm) |
Bottom(mm) |
Web(mm) |
||||
|
UIC50 |
70 |
152 |
125 |
15 |
50.46 |
900A/1100 |
12-25 |
|
UIC54 |
70 |
159 |
140 |
16 |
54.43 |
900A/1100 |
12-25 |
|
UIC60 |
74.3 |
172 |
150 |
16.5 |
60.21 |
900A/1100 |
12-25 |
Rail Characteristics According To UIC 860-1
|
Steel Grade |
Chemical Composition, % |
Rm N/mm2 |
A5 min % |
|||||
|
C |
Si |
Mn |
Cr |
Pmax |
Smax |
|||
|
700 |
0.40-0.60 |
0.05-0.35 |
0.80-1.25 |
- |
0.05 |
0.05 |
680-830 |
14 |
|
900A |
0.60-0.80 |
0.10-0.50 |
0.80-1.30 |
- |
0.04 |
0.04 |
Min.880 |
10 |
|
900B |
0.55-0.75 |
0.10-0.50 |
1.30-1.70 |
- |
0.04 |
0.04 |
880-1030 |
10 |
|
1100 |
0.60-0.82 |
0.30-0.90 |
0.90-1.30 |
0.80-1.30 |
0.04 |
0.03 |
Min.1080 |
9 |
As we are known, UIC stands for International Union of Railways. Since 1950, the flat-bottomed steel rails have been widely used in various countries. There are many used types all over the world. The differences between them lie in the detailed geometrical dimensions. Each big country, such as the United States, Russia, China, the United Kingdom, Germany, France, Japan, and Australia, has developed its own steel rail with various section shapes and sizes. In the course of railway development, railway engineering industry has always been low in theoretical dependence, but the long-term experience is valued highly by people. Therefore, all the countries have been developing their railway in the closed and self-contained environment, and steel rails are no exception. Under this condition, many Emerging countries are constrained by the narrowness of their domestic market and are unable to develop and produce rails by themselves. They have to rely on foreign imports from big countries. However, they are reluctant to buy railroad rail and be subject to a long-term monopoly by railway steel rail manufacturers and railway fasteners manufacturers from railway powers. Finally, they begin to use the rail sections of the International Union of Railways (UIC) as the standard. The UIC standards were initially adopted in countries such as Europe and North Africa. Currently, they are generally accepted by the international community. Major railway steel rail manufacturers and railway fasteners manufacturers in the world have the ability to produce rails conforming to UIC standards and specifications. Though Railroad steel rail made in China has own characteristics and is mostly used for China requirements, but China railway steel rail manufacturers and railway fasteners manufacturers are capable of producing UIC steel rails because they have mastered the advanced technologies and production equipments with excellent professionals.
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