Research on Key Technologies of 380HBW Grade LH High Strength Heat Treated Rail Satisfied American Standard
In the paper,the general situations of production processes for 380HBW grade LH on line heat treated rail exported to Mexico are introduced.Its batch production is successful by microalloying component design,control of high cleanliness for smelting process as well as accurately regulating and controlling the on line heat treatment process of rail.All its performances could satisfy the technical requirements of users and requirements of AREMA standard as well as pass the SGS international testing and certification so that it could satisfy the operating requirements of freight train with great axle load on heavy haul railway abroad.It has been exported to such countries as Mexico,Australia and America.
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