Steel Rails are the key parts of the rail track laid in two parallel lines to provide a continuous, steady and level surface for the runnings of trains. Rail models (specifications) are usually classified mainly by weight per meter (kg/m). Standards vary in different countries and regions, and they are also subdivided according to purposes (such as main railway lines, subways, light rails, crane rails, etc.).
How to Choose the Right Steel Rails for Your Construction Projects in 2026?
There are a bunch of things to think about when you're trying to figure out which steel rails suit your project best. Stuff like how much weight they'll need to handle, what kind of environment they're going into, and how long you're expecting the structure to last. Also, with tech moving fast these days, there are lots of new options popping up - innovations in how steel rails are made mean more choices that can fit all kinds of project needs. Plus, you gotta keep in mind maintenance, whether they match up with what's already there, and if they meet safety standards. All of these factors matter so that whatever you pick contributes to a sturdy, reliable build.

| Type of Steel Rail | Typical Use | Weight per Meter (kg) | Cross Section (mm²) | Recommended Application |
|---|---|---|---|---|
| Flat Rail | Ground Transportation | 18 | 150 | Railway Tracks |
| T-Rail | Heavy Freight | 25 | 200 | Industry and Construction |
| Vignole Rail | Passenger Trains | 20 | 170 | Light Rail Transit |
| Grooved Rail | Trams | 22 | 160 | Urban Transit Systems |
| Heavy Rail | High-Speed Trains | 30 | 250 | Long-Distance Rail |
Steel rails are typically classified into four main categories: standard rails, crane rails, light rails, and heavy rails, each designed for specific applications and load requirements.
GB standard steel rail:
| 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 | |
| Heavy Rail | 38 KG/M | 134 | 68 | 114 | 13 | 38.733 |
| 43 KG/M | 140 | 70 | 114 | 14.5 | 44.653 | |
| 45 KG/M | 145 | 67 | 126 | 14.5 | 45.546 | |
| 50 KG/M | 152 | 70 | 132 | 15.5 | 51.514 | |
| 60 KG/M | 176 | 73 | 150 | 16.5 | 60.64 | |
| Crane Rail | QU 70 | 120 | 70 | 120 | 28 | 52.8 |
| QU 80 | 130 | 80 | 130 | 32 | 63.69 | |
| QU 100 | 150 | 100 | 150 | 38 | 88.96 | |
| QU 120 | 170 | 120 | 170 | 44 | 118.1 | |
When choosing the appropriate steel rail, consider the weight of the loads it will bear. Standard rails are commonly used in conventional rail systems, while heavy rails are preferred for lines subjected to high traffic volumes and loads. Crane rails, on the other hand, are tailored for overhead and gantry cranes, ensuring stability and safety under dynamic loads. It's also essential to pay attention to the rail profile, as it affects the operational efficiency and longevity of the steel rail.
what are railroad track made of?
Railroad tracks are primarily made from high-quality, hot-rolled steel alloys, specifically medium-carbon steels with elements like manganese, silicon, and sometimes chromium, vanadium, or niobium, to provide extreme strength, hardness, and wear resistance needed to withstand heavy, fast trains.
GNEE RAIL commonly uses the steel rail material:
| Steel Grade | C(%) | Si | Mn | Cr | V | P | S | Tensile Strength (Rm/MPa) |
| U71Mn | 0.65~0.76 | 0.15~0.58 | 0.70~1.40 | – | – | ≤0.035 | ≤0.030 | ≥880 |
| U75V | 0.71~0.80 | 0.50~0.80 | 0.75~1.05 | – | 0.04~0.12 | ≤0.035 | ≤0.030 | ≥980 |
| U78CrV | 0.72~0.82 | 0.50~0.80 | 0.70~1.05 | 0.30~0.50 | 0.04~0.12 | ≤0.035 | ≤0.030 | ≥1080 |
| U77MnCr | 0.72~0.82 | 0.10~0.50 | 0.80~1.10 | 0.25~0.40 | – | ≤0.035 | ≤0.025 | ≥980 |
| U76CrRE | 0.71~0.81 | 0.50~0.80 | 0.80~1.10 | 0.25~0.35 | 0.04~0.08 | ≤0.035 | ≤0.025 | ≥1080 |
Since 2008, GNEE RAIL has been supplying steel rails of different grades for more than 18 years, steel rails from GNEE is highly recommened in China and abroad.Wtih cutting edge equipment, GNEE produces high quality steel rails that meet with requirements of most countries. Standard rail, head hardened rail, heavy rail,light rail,crane rail and other types are all available here, as one of the China main rail supplier, GNEE RAIL has been working on supplying economical green railway products all over the world.

