30kg light steel rails
Understanding load capacity is essential when selecting light steel rails. Buyers frequently search for information on what load levels GB Standard 30kg light steel rails can safely handle, particularly when planning new installations or upgrading existing systems.
A 30kg light steel rail is engineered to support medium axle loads typical of industrial, mining, and logistics railways. While it is not intended for heavy mainline railway traffic, it provides a reliable solution for applications with moderate loads and frequent use.
GB/T Standard 30kg Rail Material Strength
| 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 | ||||
Typical Load Application Scenarios
| Application Type | Load Characteristics |
|---|---|
| Industrial Transport | Moderate, repetitive loads |
| Mining Railways | Medium loads with high frequency |
| Yard & Logistics Rail | Variable but controlled loads |
Load Suitability Overview
| Rail Weight | Suitable Load Range |
|---|---|
| 24 kg | Light |
| 30 kg | Medium |
| 38 kg | Heavy |
From an engineering standpoint, load capacity is influenced not only by rail weight but also by sleeper spacing, fastener quality, and track foundation. When properly installed, 30kg rails can safely support a wide range of medium-duty applications.
Many buyers are concerned about whether 30kg rails provide sufficient safety margin. In most medium-duty systems, 30kg rails offer adequate reserve capacity to accommodate occasional load increases without compromising safety or performance.
GNEE STEEL provides technical assistance to ensure GB Standard 30kg light steel rails are correctly matched to load requirements, supporting safe and stable operation throughout the system's service life.
📨 Contact GNEE STEEL for load evaluation and technical consultation.
| 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 |
