Common Steel rail material U71Mn

U71Mn is a pearlite rail steel containing manganese. "U" stands for rail, 71 indicates an average carbon content of 0.71%, and Mn indicates that it contains manganese. This combination of ingredients gives it excellent comprehensive performance. The addition of manganese effectively improves the strength and toughness of the steel, so that U71Mn rails have high tensile strength and good impact resistance, and can withstand frequent rolling and impact of train wheels. ​

U71Mn rails have moderate surface hardness and outstanding wear resistance through reasonable rolling process and heat treatment, which can significantly reduce the wear caused by wheel rolling friction and extend the service life of rails. At the same time, it also has a certain anti-peeling performance, which can reduce the probability of cracks, peeling and other diseases on the surface of the rails, and ensure the safety and stability of train operation. ​

In actual applications, U71Mn rails are often used in general trunk railways, urban rail transit and other lines. These lines have large passenger and freight volumes, and have high requirements for the bearing capacity and wear resistance of rails. With its own advantages, U71Mn rails can effectively cope with the pressure and wear caused by train operation, reduce maintenance frequency, and reduce railway operating costs. Whether it is a busy passenger line or a heavy-load freight railway, U71Mn rails provide a solid guarantee for the efficient and safe operation of railway transportation with their reliable performance.

As a professional supplier in the field of international steel trade, GNEE RAIL has long been committed to the global sales and service of GB standard heavy rails. We can provide customers with a full range of railway heavy rail products, from ordinary line rails to high-strength wear-resistant rails, with complete product specifications to meet the needs of railway construction of different levels.