Commonly Used Rail Models in China

1. 38kg/m steel rail

38kg/m steel rail is a medium-sized rail suitable for transporting heavy infrastructure such as railways, light rail, ports, etc. The parameters are shown in the following table:

Model 38kg/m

Material Q235

Height H (mm) 134

Bottom width B (mm) 114

Waist thickness C (mm) 14.5

Head width A (mm) 68

Head height T (mm) 13

Foot width U (mm) 114

Foot height V (mm) 15.5

Rail head inclination angle α (°) 1/20

Mass (kg/m) 38.733

2. 50kg/m steel rail

50kg/m steel rail is a heavy-duty rail suitable for large-scale infrastructure such as high-speed railways, airport runways, etc. Its parameters are shown in the following table:

Model 50kg/m

Material U71Mn

Height H (mm) 152

Bottom width B (mm) 132

Waist thickness C (mm) 16.5

Head width A (mm) 70

Head height T (mm) 16

Foot width U (mm) 132

Foot height V (mm) 20.5

Rail head inclination angle α (°) 1/40

Mass (kg/m) 50.35

1.P50 steel rail

P50 steel rail is a standard medium weight steel rail suitable for transportation in infrastructure such as rail transit, railways, etc. Its parameters are shown in the following table:

Model P50

Material U71Mn

Height H (mm) 152

Bottom width B (mm) 125

Waist thickness C (mm) 16

Head width A (mm) 70

Head height T (mm) 15

Foot width U (mm) 125

Foot height V (mm) 19

Rail head inclination angle α (°) 1/20

Mass (kg/m) 50.33

2. P60 steel rail

P60 steel rail is a standard heavyweight steel rail suitable for high-speed railways, subways, and other places. Its parameters are shown in the following table:

Model P60

Material U71Mn

Height H (mm) 172

Bottom width B (mm) 150

Waist thickness C (mm) 16

Head width A (mm) 70

Head height T (mm) 15

Foot width U (mm) 150

Foot height V (mm) 22

Rail head inclination angle α (°) 1/20

Mass (kg/m) 60.64

The commonly used steel rail models and their parameters in China include different models of GB and YB standards. In practical engineering, the appropriate steel rail model should be selected according to the needs of infrastructure to ensure the long-term stable operation of infrastructure.