The ultra-high strength and fatigue-resistant 75kg/m national standard heavy rail is a high-performance rail specially used for railway tracks.

GB heavy rail refers to heavy steel rail that meets China's national standards. It is mainly used for railway track laying, and can bear the high load and frequent impact of train operation. It is a core component of railway infrastructure.

The advantages of GB heavy rails are their high strength and high wear resistance. Compared with ordinary rails, they can withstand greater train axle weights and higher operating speeds, significantly extending their service life.

The rail design of GB crane rails conforms to ergonomics and crane operation principles, which helps to reduce vibration transmission during crane operation, reduce the impact on plant structures and surrounding equipment, and create a relatively stable working environment for operators.

QU70 GB crane track is a type of track commonly used for large cranes, mainly used for large projects, dock lifting containers, etc.

QU100 GB crane track is a type of track commonly used for large cranes, with a track height of 150mm, a top width of 100mm, a top-bottom width of 108mm, a bottom width of 150mm, and a waist thickness of 38mm.

Rails with a nominal weight greater than 38 kg per meter are heavy rails, and the actual rail types include 38, 43, 50, 60, 75 kg/m, etc.

National standard inter-regional railways (including high-speed railways and heavy-duty railways), intercity railways, urban railways, and subways in urban rail transit are all heavy rail railways.

GB heavy rail refers to the rail that meets national standards and is used for heavy vehicles.

GB heavy rails are made of high-carbon low-alloy steels such as U71Mn and U75V that contain alloy elements such as manganese and vanadium.

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