What Is 30KG Light Steel Rail?
GB 30KG rail is a type of light rail specified in China's national standard GB/T 11264-2012, with a unit weight of 30kg per meter. It is widely used in scenarios such as industrial rail transportation, crane rails, mines, ports, and internal rail systems in factories. Its reasonable cross-sectional design ensures the stability and economy of the transportation system while maintaining structural strength.
Specification:
| Q235 | Mechanical property | Chemical composition(%) | |||||||||
| Yield strength | Tensile strength | Elongation | Hardness | C | Si | Mn | S | P | |||
| MPa
≥ |
kg/mm²
≥ |
MPa | kg/mm² | min | HB | ≤ | ≤ | ≤ | |||
| 235 | 24 | 375-460 | 38-47 | 26% | 0.12-0.22 | 0.35 | 0.30-0.70 | 0.045 | 0.045 | ||
| 55Q | Mechanical property | Chemical composition(%) | |||||||||
| Yield strength | Tensile strength | Elongation | Hardness | C | Si | Mn | S | P | |||
| MPa
≥ |
kg/mm²
≥ |
MPa
≥ |
kg/mm²
≥ |
min | HBW
≥ |
≤ | ≤ | ||||
| 685 | 69 | 197 | 0.50-0.60 | 0.15-0.35 | 0.60-0.90 | 0.040 | 0.040 | ||||
Selecting the right rail specification requires balancing initial investment with long-term performance. GB Standard 30KG Light Steel Rail is often compared with both lighter and heavier rail options during the planning stage of industrial rail projects.
Comparison with Other Rail Weights
| Rail Weight | Typical Application | Overall Cost |
|---|---|---|
| 18–24 kg | Light industrial tracks | Low |
| 30 kg | Medium-load industrial & mining railways | Moderate |
| ≥38 kg | Heavy-duty rail systems | High |
While lighter rails may reduce upfront cost, they often require more frequent maintenance and replacement. Heavier rails provide higher capacity but significantly increase material and installation expenses.
Installation and Foundation Considerations
| Item | 30KG Rail | Heavier Rail |
|---|---|---|
| Handling Difficulty | Moderate | High |
| Foundation Requirement | Medium | High |
| Installation Speed | Balanced | Slower |
The 30kg rail offers a balanced solution that meets performance needs without overengineering.
With deep expertise in rail system design and material supply, GNEE STEEL helps customers evaluate rail options from a lifecycle cost perspective, ensuring the selected 30kg rail delivers optimal value over time.
📞 Contact GNEE STEEL to discuss your rail selection strategy.
Standard: GB/T 11264-2012
| Size
* |
Rail height(mm)
A |
Bottom Width(mm)
B |
Head Width(mm)
C |
Web Thickness(mm)
t |
Weight(kg/m)
* |
| 8kg | 65 | 54 | 25 | 7 | 8.42 |
| 9kg | 63.5 | 63.5 | 32.1 | 5.9 | 8.94 |
| 12kg | 69.85 | 69.85 | 38.1 | 7.54 | 12.2 |
| 15kg | 79.37 | 79.37 | 42.86 | 8.33 | 15.2 |
| 18kg | 90 | 80 | 40 | 10 | 18.06 |
| 22kg | 93.66 | 93.66 | 50.8 | 10.72 | 22.3 |
| 24kg | 107 | 92 | 51 | 10.9 | 24.46 |
| 30kg | 107.95 | 107.95 | 60.33 | 12.3 | 30.1 |
