Since the invention of railway, it has gone through more than 20 years. With the development of railway technology, Requirements for steel rails are getting higher and higher.Next the type of steel rail will be introduced in detail.
Steel rails are classified according to the number of kilograms of roughly weight per metre, which can be divided into three types: light rail, heavy rail and crane rail. The main purpose of light rail with a nominal weight of more than 30kg per metre is to lay temporary transport lines and light locomotive lines in forest areas, mining areas, factories and construction sites. Heavy rail is a rail with a nominal weight of more than 30kg per metre. The heavy rail should bear the pressure, impact load and friction force of the locomotive, so it is required to have sufficient strength, hardness and certain toughness.Crance rails are mainly used for the lifting of heavy equipment and gantry cranes.
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