Light steel rails
Light steel rails play a critical role in industrial, mining, and logistics railway systems where full-scale heavy railway rails are not required. Among them, GB Standard 30KG Light Steel Rail represents a key specification designed to bridge the gap between lighter industrial rails and heavy-duty mainline rails. Understanding what a 30kg rail is and why it is widely adopted helps project owners make more informed procurement decisions.
The term 30kg rail refers to a rail section with a nominal weight of approximately 30 kilograms per meter. Compared with lighter options such as 18kg or 24kg rails, the 30kg light steel rail offers significantly improved load-bearing capacity and structural stiffness, while still maintaining reasonable installation efficiency and cost control. Manufactured in accordance with Chinese GB railway standards, this rail type ensures consistent dimensions, stable mechanical properties, and reliable compatibility with standard railway fasteners.
Basic Dimensional Specifications of GB Standard 30KG Rail
| Parameter | Specification |
|---|---|
| Standard | GB/T 11264 |
| Weight | 30 kg/m |
| Rail Height | 108 mm |
| Head Width | 60 mm |
| Base Width | 108 mm |
| Web Thickness | 12 mm |
| Standard Lengths | 6 m, 9 m, 12 m (custom available) |
These dimensions provide a strong and stable rail profile capable of handling medium-load rail traffic while maintaining good wheel-rail contact and reduced deformation over time.
Typical Material and Chemical Composition
| Element | Typical Content (%) |
|---|---|
| Carbon (C) | 0.55 – 0.65 |
| Manganese (Mn) | 0.70 – 1.00 |
| Silicon (Si) | ≤0.40 |
| Phosphorus (P) | ≤0.040 |
| Sulfur (S) | ≤0.040 |
This chemical composition enables the rail to achieve a balance between high strength, wear resistance, and weldability, which is essential for industrial railway environments.
Why 30KG Light Steel Rail Is a Practical Choice
GB Standard 30kg light steel rail is often selected for applications where lighter rails may deform prematurely and heavier rails would unnecessarily increase cost and installation complexity. Typical uses include medium-load industrial railways, mining transport lines, crane runways, ports, and yard rail systems.
As a professional railway material manufacturer and exporter, GNEE STEEL supplies GB Standard 30kg light steel rails with strict quality control and complete technical documentation. We also provide rail fasteners, fishplates, bolts, and sleepers to ensure full system compatibility.
📩 Contact GNEE STEEL today for expert support and competitive pricing.
| 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 |
