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.

9KG Rail

UIC60 Rail

ASCE 30 Rail

UIC54 Rail

90 LBS Rail

JIS 60KG Rail

QU120 Rail

QU100 Rail

QU80 Rail