What are the different specifications of GB Light Rail?
Jan 14, 2026
Steel rails are an essential component of railway tracks, providing the necessary support for the movement of trains. These rails are manufactured from a variety of steel alloys and are designed to meet specific requirements of the railway track, such as durability, strength, and resistance to wear and tear.
What are the different standards for steel rails?
Steel rail standards vary globally, with major systems like AREMA (USA) using pounds/yard (e.g., 136RE), UIC/EN (Europe) using kg/meter (e.g., UIC60, EN 13674), and JIS (Japan) using kg/meter (e.g., 50N) or weight (e.g., 50kg), alongside national standards like China's GB/T. These standards dictate dimensions, chemical composition (like high-carbon or manganese steels), mechanical properties (strength, hardness), and testing to ensure safety for different load and speed requirements.
What are the different specifications of GB Light Rail?
GB Light Rail refers to the lighter categories of steel rails manufactured according to Chinese National Standards (GB). These rails are designed for industrial, mining, port, and temporary railway applications, where moderate axle loads, ease of installation, and cost efficiency are important.
Light rail weights less than or equal to 30kg per meter. Light rail is used for laying temporary transportation lines and light locomotive lines for forest areas, mining areas, factories, and construction sites.
- Standard: GB11264-89 ; YB222-63 standard
- Size: 9kg, 12kg, 15kg, 18kg, 22kg, 30kg
- Material: 55Q or Q235B
| Classification | Height(mm) | Head (mm) | Bottom (mm) | Thick(mm) | Weight (kg/m) | |
| Light Rail | 8 KG/M | 65 | 25 | 54 | 7 | 8.42 |
| 9 KG/M | 63.5 | 32.1 | 63.5 | 5.9 | 8.94 | |
| 12 KG/M | 69.85 | 38.1 | 69.85 | 7.54 | 12.2 | |
| 15 KG/M | 79.37 | 42.86 | 79.37 | 8.33 | 15.2 | |
| 18 KG/M | 80 | 40 | 80 | 10 | 18.06 | |
| 22 KG/M | 93.66 | 50.8 | 93.66 | 10.72 | 22.3 | |
| 24 KG/M | 107 | 51 | 90 | 10.9 | 24.46 | |
| 30 KG/M | 107.95 | 60.33 | 107.95 | 12.3 | 30.1 | |
GB Light Rail is specified to balance strength, wear resistance, and flexibility for medium-load railway applications. Its standardized profiles and material properties ensure compatibility with GB rail components while allowing adaptability to industrial and temporary track systems.
Material of GB Light Steel Rail:
Using Q235B and 55Q for light rails offers complementary advantages: Q235B provides cost-effectiveness, easy processing, and good weldability for simple track sections, while 55Q delivers superior strength, hardness, and wear resistance for high-stress areas, making them ideal for varied applications from mines to urban transit, balancing performance, safety, and budget.
| Q235B | 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 | 0.04 | 0.04 | ||||
Other Types of GB Steel Rail
Heavy Rail Specification (GB2585-2007)
| Size | Head (mm) | Height (mm) | Base (mm) | Web (mm) | Nominal weight (kg/m) | Material | Length (m) | Sectional Area Cm2 |
|---|---|---|---|---|---|---|---|---|
| 43kg | 70 | 140 | 114 | 14.5 | 44.65 | 50Mn/U71Mn | 12.5-25 | 57.0 |
| 50kg | 70 | 152 | 132 | 15.5 | 51.51 | 50Mn/U71Mn | 12.5-25 | 65.8 |
| 60kg | 73 | 176 | 150 | 16.5 | 60.64 | u71mn/u75vx | 8-25 | 77.45 |
Crane Rail Specification (YB/T5055-93)
| Size | Head (mm) | Height (mm) | Base (mm) | Web (mm) | Nominal weight (kg/m) | Material | Length (m) | Sectional Area Cm2 |
|---|---|---|---|---|---|---|---|---|
| QU70 Rail | 70 | 120 | 120 | 28 | 52.8 | U71Mn | 12 | 67.3 |
| QU80 Rail | 80 | 130 | 130 | 32 | 63.69 | U71Mn | 12 | 81.13 |
| QU100 Rail | 100 | 150 | 150 | 38 | 88.96 | U71Mn | 12 | 113.32 |
| QU120 Rail | 120 | 170 | 170 | 44 | 118.1 | U71Mn | 12 | 150.44 |
As a professional rail fastener supplier, GNEE RAIL can provide different standard steel rail such as GB,American, BS, UIC, DIN, JIS, Australian and South Africa which used in railway lines, cranes and coal mining.
In addition to steel rails, GNEE RAIL also offers a wide range of rail components. We take quality and safety as our core in all products, rigorously testing every component to meet the highest industry standards. Contact us today to discuss your specific requirements.
