Steel Rails Applications

Steel rail is the main component of the railway track, directly bear repetition and impact loads of rolling stock wheels. Therefore, rail steel requires adequate hardness, tensile strength, fatigue strength and toughness.

There are many different types of rails. According to its cross-sectional shape, it can be divided into rails of flat, two-headed, Minotaur, trenches, stepped and bridge. According to its applications, except railway rails, there are crane rails, tram rails, forests and mining rail, elevator guide rails, tunnels and coastal wear and corrosion resistant composite rail and high-manganese steel rails for turnout Wait.

Since 1962, France, the United States, Japan and other countries have adopted basic oxygen furnace smelting steel rail. China uses open-hearth and basic oxygen furnace smelting. General need rail rolling after slow cooling to eliminate white spots. To shorten the process, vacuum degassing and other processes can also be used, thereby eliminating the slow cooling.

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