Can 60kg heavy rail replace QU100 crane rail
Oct 14, 2025
The 60kg heavy rail is mainly used for conventional railway lines, designed to bear linear train loads and maintain track stability, rather than frequent start-stop cycles and high-impact loads typical of industrial crane environments. In contrast, the QU100 crane rail is specifically designed for medium-sized crane tracks, with optimized section, rail head, and web to withstand instantaneous wheel loads and high-frequency vibrations from crane operations, while ensuring long-term track stability.
In terms of material and structure, QU100 typically uses high-manganese steel or high-quality alloy steel, combined with heat treatment and quenching processes to enhance fatigue resistance and wear resistance. While the 60kg heavy rail has a large cross-section, it is not specifically designed to handle the concentrated wheel loads and frequent start-stop conditions of crane tracks. Long-term replacement may lead to accelerated rail head wear, web deformation, and local fatigue cracks, reducing the service life of the track.
| Classification | Height(mm) | Head (mm) | Bottom (mm) | Thick(mm) | Weight (kg/m) | |
| 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 | |
| Classification | SIZE(mm) | theoretical weight | |||||||||
| height | bottom width | head width | waist depth | ||||||||
| Crane rail | QU70 | 120 | 120 | 70 | 28 | 52.8 | |||||
| QU80 | 130 | 130 | 80 | 32 | 63.69 | ||||||
| QU100 | 150 | 150 | 100 | 38 | 88.96 | ||||||
| QU120 | 170 | 170 | 120 | 44 | 118.1 | ||||||
Moreover, crane track systems require rails to be tightly integrated with sleepers and rail fastening systems to ensure track accuracy and smooth equipment operation. QU100 rails are fully compatible in terms of dimensions, track gauge, and installation design, whereas 60kg heavy rails may pose compatibility and fastening risks, compromising crane operation safety.
Therefore, from the perspectives of safety, durability, and equipment protection, 60kg heavy rail is not recommended as a direct replacement for QU100 crane rail. Medium-sized crane track projects should continue to use dedicated QU100 rails or other rails from the same crane rail series to ensure long-term stable operation of the track system.
GNEE RAIL provides international standard QU100 rails and other crane rail series, combined with professional rail selection and installation guidance, helping customers build safe and reliable crane track systems for efficient operation and long-term maintenance.
