What Is 24KG Light Steel Rail?
The 24kg mining rail adopts an I-shaped cross-section, featuring excellent bending resistance, which can effectively withstand the pressure and impact force from wheels. Its surface is smooth, straight after rolling, without significant bending or torsion, and the end face has no defects such as shrinkage marks or interlayers, ensuring the smoothness and safety of train operation.
Specification:
Size: 24kg/m
Length: 5-12m or other length according to customers' requirement
Material: Q235B, 55Q
Standard: GB/T11264-2012
| 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 | ||||
Choosing the correct rail specification is a critical decision that affects both initial investment and long-term operating costs. GB Standard 24KG Light Steel Rail is often compared with lighter and heavier rail options when engineers and procurement managers evaluate industrial rail projects.
Comparison with Other Common Light Rails
| Rail Weight | Typical Use | Cost Level |
|---|---|---|
| 15–18 kg | Temporary or very light tracks | Low |
| 24 kg | Industrial & mining railways | Medium |
| 30 kg | Medium-load industrial tracks | Higher |
While lighter rails may appear attractive due to lower initial cost, they often suffer from faster wear and deformation. Heavier rails, on the other hand, may exceed actual load requirements and increase both material and installation costs.
Dimensional and Installation Considerations
| Item | 24KG Rail | 30KG Rail |
|---|---|---|
| Handling | Easier | More demanding |
| Foundation Requirement | Moderate | Higher |
| Fastener Size | Standard | Larger |
| Installation Speed | Faster | Slower |
For many industrial and mining applications, 24kg rail provides the best balance between durability and economy.
From a lifecycle cost standpoint, GB Standard 24kg light steel rail often results in lower overall expenses due to reduced maintenance frequency and longer service life compared with lighter rail options.
With deep expertise in railway material selection, GNEE STEEL assists customers in choosing the most suitable rail specification based on load conditions, operating environment, and budget. Our GB standard 24kg rails are supplied with full quality documentation and flexible customization options.
📞 Contact GNEE STEEL to discuss your project requirements in detail.
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 |
