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Steel rail, also called rail track, steel track, is the main component of railway track. Its function is to guide the wheels of the locomotive, bear the great pressure of the wheel, and keep the stability of railway transportation. The rail must provide continuous, smooth and minimum rolling surfaces for the wheels. In electrified railway or automatic block section, rail can also be used as an orbital circuit.
Steel rail, also called rail track, steel track, is the main component of railway track. Its function is to guide the wheels of the locomotive, bear the great pressure of the wheel, and keep the stability of railway transportation. The rail must provide continuous, smooth and minimum rolling surfaces for the wheels. In electrified railway or automatic block section, rail can also be used as an orbital circuit.
The steel rail in china are divided into Crane rail, Heavy rail and Light rail.
Light rail is divided into GB and the ministry standard (YB metallurgical standard). There are 8kg, 12kg, 15kg, 18kg, 22kg, 24kg, 30kg.
The light rail is mainly used for the laying of temporary transportation lines and light locomotive lines for forest areas, mining areas, factories and construction sites.
| LightSteelRail | size | Rail Height | Bottom Width | Head Width | Web Thickness | Weightkg/m |
| 8kg | 65 | 54 | 25 | 7 | 8.42 | |
| 12kg | 69.85 | 69.85 | 38.1 | 7.54 | 12.2 | |
| 15kg | 79.37 | 79.37 | 42.86 | 8.33 | 15.2 | |
| 18kg | 90 | 80 | 40 | 10 | 18.06 | |
| 22kg | 93.66 | 93.66 | 50.8 | 10.72 | 22.3 | |
| 24kg | 107 | 92 | 51 | 10.9 | 24.46 | |
| 30kg | 107.95 | 107.95 | 60.33 | 12.3 | 30.1 |
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