Industry knowledge
How to choose the right rail model? Application differences of different rail types
There are many types of rails and different models. Choosing the right rail is crucial to the smooth implementation of rail projects. According to the rail weight (i.e. the weight of the rail per unit length), rails can be divided into light rails, medium rails and heavy rails. Different rail types are suitable for different transportation levels and operating environments.
Light rails are usually used for industrial transportation, mining tracks or urban tram systems. Representative models include P18 and P24 rail types in the GB standard. This type of rail has a light weight and flexible construction, but is not suitable for high-speed or heavy-load environments. Medium rails are suitable for medium-speed railways, freight lines and port branches, such as 50kg rails, 43kg rails, etc., which can take into account both load-bearing capacity and strong durability.
Heavy rails are widely used in national trunk railways and high-speed railway lines, such as UIC60, 60kg rails, 75kg rails, etc. These models have greater bending strength and wear resistance, and can withstand the continuous impact and load of high-speed trains. In special environments such as extreme cold, extreme heat, and extreme humidity, some projects also need to choose low-temperature steel or weather-resistant rails to enhance their environmental adaptability.
When choosing rail models, customers should comprehensively consider factors such as transportation mode (freight/passenger transport), operating speed, annual load, sleeper type, and ballast structure. Reasonable selection of rail types can not only save investment costs, but also effectively extend the service life of the track system.
