QU70 crane steel rail is a high-strength heavy-duty rail designed for crane tracks in ports, logistics centers, industrial workshops, and large warehouse facilities. GNEE RAIL specializes in supplying the QU series crane rails, along with P38-P75 heavy rails and light rails, and matching rail clips, screw spikes, fish plates, and rail pads, providing clients with a complete rail solution.
Size: QU70 rail
Material: U71Mn
Weight: 52.8kg/m
Length: 12m (other lengths available as per clients' requirement)
Standard: YB/T5055-93
Made from high-quality U71Mn steel and conforming to GB standards, this rail has a rail height of 135mm, base width of 130mm, web thickness of 17mm, head width of 70mm, and weighs 70kg/m, with a standard length of 12m, customizable per client requirements. Heat treatment ensures excellent wear resistance and fatigue strength under frequent heavy crane operations.
| U71Mn | Mechanical property | Chemical Composition(%) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yield Strength |
Tensile Strength |
Elongation | Hardness | C | Si | Mn | S | P | Cr | Ni | Cu | |||
| MPa | kg/mm² | MPa | kg/mm² | min | HB | ≤ | ≤ | ≤ | ≤ | ≤ | ||||
| ≥880 | 9% | 0.65-0.76 | 0.15-0.35 | 1.10-1.40 | 0.030 | 0.030 | 0.025 | 0.025 | 0.025 | |||||
| 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 | |
If you have special requirements for dimensions or higher strength materials, please contact us for special custom production.
In order to better serve the different needs of customers, our technical team is available to provide advice and support, helping every customer to optimize their rail selections to minimize life cycle costs. We supply suitable rail parts, like fish plates, rail clips, bolts, and nuts. We supply rail processing, like 45-degree mitre cut, welding process, milling process, special profile processing, etc. Our engineer helps customer to design railroad line according to requirements, and build mining railroad line and crane moving line. The technical support provided by GNEE RAIL can ensure that every rail we deliver provides optimum performance throughout its service life.
