GB Standard Heavy 50kg Steel Rail

50kg heavy rails refer to rails with a weight of 50kg per meter. Such rails are often used in railway construction, especially for medium-loaded railway lines.

50kg per meter rails means that the weight of each rail is proportional to its length. For example, a 50kg rail with a length of 12 meters has a total weight of about 600kg.

Dimensions and weight

Theoretical weight: 50kg/m (actual weight may have a tolerance of ±3%).

Standard length: usually 12.5 meters or 25 meters (Chinese standard), and long rails can also be customized (such as more than 100 meters for seamless lines).

Sectional dimensions (taking China GB/T 2585 standard as an example):

Rail height: about 152mm

Bottom width: about 132mm

Head width: about 70mm

Waist thickness: about 15.5mm

GB Standard Heavy 50kg Steel Rail

50kg steel rails are commonly used in ordinary railways, regional railways or light-load railways. It can withstand medium-load trains, but is not suitable for extremely heavy-load railways or high-speed railways.

50kg rails are usually made of high-strength alloy steel and are manufactured through a hot rolling process to ensure that the rails have good wear resistance and fatigue resistance.It is designed to withstand the pressure of trains under certain conditions and maintain a long service life. It is suitable for railway environments with medium traffic volume.

Heavy Steel Rail

1. What is a rail?
Answer: Rails are the main material used for railway tracks. They are metal strips made of high-strength steel. They carry the weight of the train and provide smoothness and stability for the train's operation.

2. What are the main specifications and standards for rails?
Answer: Common rail specifications include 50kg, 60kg, 75kg, etc. The specific specifications and standards are based on the standards of different countries and regions, such as the AREMA standard in the United States, the EN standard in Europe, and the GB standard in China.

3. What is the main purpose of rails?
Answer: Rails are mainly used for railway tracks to support the operation of trains. They can also be used for other types of transportation facilities such as urban light rail and subway tracks.

4. What is the material of rails?
Answer: Rails are generally made of carbon steel or alloy steel. The material has high strength, high wear resistance and fatigue resistance to cope with long-term high-intensity train pressure.

5. What is the production process of rails?
Answer: Rails are usually hot-rolled from ingots or billets. During the process, the steel rails are made to reach the predetermined specifications and mechanical properties through processes such as high-temperature heating, rolling and cooling.

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