What are the unique advantages of GB rails
Sep 29, 2025
GB rails, which comply with the Chinese National Standard (GB 2585-2007), offer distinct advantages in railway construction. Compared to international standards such as UIC (International Union of Railways) or AREMA (American Railway Engineering and Maintenance-of-Way Association) rails, they exhibit several characteristic strengths.
GB rails cover a range of models from light to heavy types, among which the 50 kg/m, 60 kg/m, and 75 kg/m heavy rails are commonly used for mainlines, high-speed railways, and heavy-haul freight lines. Their sectional design is rational, with the rail head width, web thickness, and base width optimized based on long-term operational data. This enables the rails to maintain high bending stiffness and fatigue resistance when subjected to longitudinal and lateral impacts from high-speed trains or heavy-haul freight transport.
| Classification | Height(mm) | Head (mm) | Bottom (mm) | Thick(mm) | Weight (kg/m) | |
| Light Rail | 8 KG/M | 65 | 25 | 54 | 7 | 8.42 |
| 9 KG/M | 63.5 | 32.1 | 63.5 | 5.9 | 8.94 | |
| 12 KG/M | 69.85 | 38.1 | 69.85 | 7.54 | 12.2 | |
| 15 KG/M | 79.37 | 42.86 | 79.37 | 8.33 | 15.2 | |
| 18 KG/M | 80 | 40 | 80 | 10 | 18.06 | |
| 22 KG/M | 93.66 | 50.8 | 93.66 | 10.72 | 22.3 | |
| 24 KG/M | 107 | 51 | 90 | 10.9 | 24.46 | |
| 30 KG/M | 107.95 | 60.33 | 107.95 | 12.3 | 30.1 | |
| Heavy Rail | 38 KG/M | 134 | 68 | 114 | 13 | 38.733 |
| 43 KG/M | 140 | 70 | 114 | 14.5 | 44.653 | |
| 45 KG/M | 145 | 67 | 126 | 14.5 | 45.546 | |
| 50 KG/M | 152 | 70 | 132 | 15.5 | 51.514 | |
| 60 KG/M | 176 | 73 | 150 | 16.5 | 60.64 | |
| Crance Rail | QU 70 | 120 | 70 | 120 | 28 | 52.8 |
| QU 80 | 130 | 80 | 130 | 32 | 63.69 | |
| QU 100 | 150 | 100 | 150 | 38 | 88.96 | |
| QU 120 | 170 | 120 | 170 | 44 | 118.1 | |
In terms of manufacturing technology, GB rails adhere to strict material requirements and heat treatment processes. They are typically made from high-manganese steel or high-quality carbon steel, with controlled cooling or quenching treatments applied to enhance wear resistance and crack resistance. This not only ensures the stability of the rail under long-term, high-frequency loading but also effectively extends its service life.
GNEE RAIL can supply various types of rails including those conforming to GB, UIC, and AREMA standards, and supports customized processing services such as cutting, drilling, end grinding, and surface treatment. Whether for high-speed railways, heavy-haul freight lines, or industrial track projects, the most suitable rail model and custom processing solution can be selected based on the engineering conditions to ensure track safety and long-term reliability.
Click here to obtain the detailed product catalog of GNEE RAIL.
