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Shangdong China Coal

Steel Rail

The Main Components Of The Railway Track

The function of the steel rails is to guide the wheels of the locomotives and vehicles forward, to withstand the great pressure of the wheels, and pass them on to the sleepers. The teel rails must provide the wheels with a continuous, smooth and minimal rolling surface. In electrified railway or automatic block sections, Rails can also serve as track circuits

Shangdong China Coal

Steel Rail

rail type

Steel Rail

The type of steel rail is measured in kilograms per meter of rail quality

The steel rails commonly used on railways are 75kg/m, 60kg/m, and 50kg/m.
43kg/m and 38kg/m

  • Steel Rail
  • Steel Rail
  • Steel Rail

The cross-sectional shape of the steel rail adopts an I-shaped cross
section with bending resistanceRail head, rail waist and rail
bottom three parts

In order to make the rails better withstand the forces from all aspects and ensure the necessary
strength conditions, the rails should have a sufficient height.Its head and bottom
should have sufficient area and height, waist and bottom should not be too thin

Steel Rail

Steel Rail

The Main Components Of The Railway Track

For heavy-haul railways and particularly busy sections of railways
Laying 75kg/m steel rails

In the above types of rails, 38kg/m rails have been stopped production, 60kg/m, 50kg/m steel rails

  • Steel Rail
  • Steel Rail

It is laid on the main trunk line. The station line and special line are
generally laid 43kg/m steel rails.

More short-cut special section rails are now used, abbreviated as the “AT” rail.
In order to meet the needs of structures such as roads, bridges, and seamless lines,
the railways have also adoptedspecial section steel rails.

Steel Rail
Shangdong China Coal

Steel Rail

Rail length

The standard length of steel rails is 12.5m and 25.0m.

Shangdong China Coal

Steel Rail

Product parameters

Item kg/m Section Dia mm Length m Section Area cm2 Theory Weight kg/m
A B C D
9 63.50 63.50 32.10 5.90 5-7 11.29 8.94
12 69.85 69.85 38.10 7.54 6-10 15.54 12.20
15 79.37 79.37 42.86 8.33 6-10 19.33 15.20
22 93.66 93.66 50.80 10.72 7-10 28.39 22.30
30 107.95 107.95 60.33 12.30 7-10 38.32 30.10


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