steel rail
When planning an industrial railway system, one of the most frequently asked questions is whether a specific rail type can support long-term operation without excessive maintenance or premature replacement. GB Standard 30kg light steel rails are widely used in industrial environments, but buyers often want clear confirmation that this specification is suitable for continuous, long-term use.
A 30kg light steel rail is a rail section weighing approximately 30 kilograms per meter and manufactured according to GB railway standards. It is designed for medium-duty applications where operational reliability, structural stability, and lifecycle cost must be carefully balanced.
Specification of light steel rail
Size: 30kg/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 | ||
Industrial railways typically operate at relatively low speeds but experience frequent loading cycles. Over time, repeated stress can lead to rail head wear, alignment deviation, and fatigue damage. Compared with lighter rails, 30kg rails provide improved stiffness and wear resistance, which directly contributes to longer service life.
Steel Rail
| Performance Factor | 30kg Rail Evaluation |
|---|---|
| Structural Stability | High |
| Wear Resistance | Suitable for continuous use |
| Maintenance Demand | Moderate to low |
| Replacement Frequency |
Reduced |
Long-Term Cost Considerations
| Rail Weight | Initial Cost | Long-Term Maintenance | Total Ownership Cost |
|---|---|---|---|
| 24 kg | Lower | Higher | Moderate |
| 30 kg | Moderate | Lower | High |
| 38 kg | Higher | Moderate | Moderate |
From a lifecycle perspective, 30kg rails often outperform lighter alternatives in industrial environments.
GNEE STEEL supplies GB Standard 30kg light steel rails engineered for long-term industrial use, with consistent mechanical performance and strict quality control.
📩 Contact GNEE STEEL for long-term industrial rail solutions.
| 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 |
