What is the definition of a crane rail
Sep 29, 2025
Crane Rail is a rail system specifically designed to provide running support for bridge, gantry, or portal cranes. Unlike ordinary railway tracks, its design focuses on withstanding high-frequency operations, heavy wheel loads, and lateral impact forces. Crane rails not only ensure longitudinal movement of cranes but also maintain lateral stability and operational accuracy, forming a critical foundation for safe and efficient crane operations.
Crane rails are usually made of crane rail models such as QU70, QU80, QU100, and QU120. These rails feature wide and thick cross-sections, a widened base, and optimized head and web design to distribute wheel load pressure and enhance fatigue resistance. Rails are typically installed on concrete or steel beams, combined with rail pads, crane rail clips, and high-strength bolts to prevent lateral slippage or longitudinal movement under high loads and frequent start-stop operations.
| Rail Type | 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 | ||||||
The design of crane rails considers not only vertical loads but also lateral forces, braking forces, and impacts generated during crane operation, while ensuring gauge, straightness, and end-face precision. This guarantees smooth crane travel, accurate lifting, and operational safety.
GNEE RAIL provides a full range of crane rails, including QU70, QU80, QU100, and QU120, and offers cutting, drilling, end-face grinding, anti-corrosion treatment, and customized processing services. We help clients design rail solutions based on crane tonnage, span, and wheel load. For professional technical support or quotations, please contact us for complete solutions.
Steel Rails-Hot Standards from GNEE RAIL
| Standard | Sepc. | Material Typical Grade |
| UIC860 | UIC54 | 700,900A,900B |
| UIC60 | ||
| EN13674.1 | 5.00E+02 | R200,R350HT,R260Mn,R35LHT,R320Cr,R370CrHT |
| 5.40E+02 | ||
| 6.00E+02 | ||
| 6.00E+03 | ||
| BS-11-1985 | BS80A | 700,900A,900B |
| BS90A | ||
| BS100A | ||
| AREMA | 115RE | SS,HH,LA,IH |
| 136RE | ||
| ASCE60 | U71Mn | |
| ASCE85 | U71Mn | |
| GB 2585-2007 | 50kg/m | U71Mn |
| 60kg/m | U75V | |
| 75kg/m | ||
| TB/T2344-2012 | 50kg/m | U71Mn,U75V,U77MnCr |
| 60kg/m | U78CrV | |
| 75kg/m | ||
| GB 11264-1989 | 8kg/m | Q235 |
| 12kg/m | Q235 | |
| 15kg/m | 55Q, Q235 | |
| 18kg/m | 55Q, Q235 | |
| 22kg/m | 55Q, Q235 | |
| 24kg/m | 55Q, Q235 | |
| 30kg/m | 55Q, Q235 | |
| 38kg/m | 50Mn, U71Mn | |
| 43kg/m | 50Mn, U71Mn | |
| GB Crane rails | QU70 | U71Mn |
| QU80 | U71Mn | |
| QU100 | U71Mn | |
| QU120 | U71Mn |
Click here to obtain the detailed product catalog of GNEE RAIL.
