What is the material of steel rail?

Edit:Zongxiang Heavy Industry--Lucas Date:2020-04-09 10:21:26

Generally, there are four kinds of rail materials: Q235B, 55Q, 50Mn and 71Mn.

The national standard rail can be divided into crane rail, heavy rail and light rail according to the approximate weight per meter:

Crane rails are divided into four types: QU120, QU100, QU80 and QU70, which are generally made of manganese steel. railway track material

Heavy rail is divided into common manganese-containing rail, copper-containing plain carbon steel rail, high silicon copper-containing steel rail, copper rail, manganese rail, silicon rail, etc. according to the steel grade used.

Light rail mainly has different rail types.  Specifications and models: 9kg/m, 12kg/m, 15kg/m, 18kg/m, 22kg/m, 24kg/m, 30kg/m implementation standard: GB/T material: Q235, 55Q gauge length: 5m-10m product description: light rail is a rail with nominal mass less than or equal to 30kg per meter.  It is mainly used in the tracks for laying temporary transportation lines in forest areas, mining areas, factories and construction sites. In recent years, 22kg/m, 24kg/m and 30kg/m light rails are also widely used in hoisting equipment tracks. railway track material

Manufacturing and use:

Rail is rolled from carbon killed steel smelted by open hearth furnace and oxygen converter.  Its purpose is to bear the running pressure and impact load of locomotives and vehicles. railway track material

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