DIN5901 S20 Light Steel Rail
Product: S20 / S20 light steel rail
Type: Light Rail
Rail Height: 100mm
Bottom Width: 82mm
Web Thickness: 10mm
Head Width: 44mm
Weight: 19.8kg/m
Length: 5~12m or other length according to customers’ requirement
DIN5901 S20 Light Steel Rail | Premium Manufacturer
The DIN5901 S20 light steel rail is a highly durable track profile with a standard theoretical weight of 19.8 kg/m . Manufactured to strict German DIN 5901 standards, it is widely used worldwide for narrow-gauge railways, underground mining tracks, and temporary factory transportation lines. GNEE RAIL supplies S20 rails in high-strength Q235B and 55Q steel grades, with custom cutting and drilling services available.
din5901 s20 light steel rail warehouse
What is DIN S20 Rail?
The S20 light steel rail is a high-performance profile designed according to the DIN 5901 standard, featuring a theoretical weight of 19.8 kg/m. Widely utilized in narrow-gauge railway systems, mining corridors, and industrial transport lines, the S20 Rail provides an optimal balance between material weight and load-bearing capacity. GNEE's production facility ensures every Profile S20 rail meets rigorous European quality benchmarks for dimensional accuracy and structural integrity.
Technical Specifications of S20 Steel Rail (DIN 5901)
Accuracy is critical in railway engineering. Our S20 light rails are hot-rolled with strict dimensional tolerances to ensure perfect alignment and easy installation. Below are the precise dimensions of the DIN 5901 S20 rail profile.
| Height: 100 mm | Base Width: 82 mm |
| Head Width: 44 mm | Web Thickness: 10 mm |
| Length: 6m-10m | Material: Q235/55Q |
| Weight: 19.8 kg/m | Standard: DIN 5901 |
Looking for custom lengths, coatings, or machining for S20 rail? Contact us for a fast quote.
Tip: When designing your track layout, ensure that the DIN S20 Rail profile matches your existing fishplates and fasteners to prevent gauge narrowing or joint misalignment.
Material Strength & Chemical Composition of DIN 5901 S20 RAIL
The Light Rail S20 is a specialized light rail profile commonly utilized in mining, tunneling, and light industrial track applications. Achieving the necessary balance between ductility and wear resistance requires precise control over the metallurgical footprint and mechanical processing.
To meet different project requirements, GNEE RAIL manufacture S20 light rails using two primary steel grades. Q235B is ideal for general, temporary, or low-load transportation, while 55Q offers significantly higher wear resistance and yield strength for heavy-duty mining environments.
1. Chemical Composition of Profile S20 rail
S20 Rail Section, often manufactured according to the DIN 5901 standard as light steel rails for industrial and mining applications, typically utilize carbon steel grades, specifically Q235B or 55Q. They are sometimes, though less commonly, referred to in the context of higher carbon content for increased wear resistance (0.6%–0.8% or up to 1.2% in specialized high-carbon scenarios).
| Steel Grade | Carbon (C) | Silicon (Si) | Manganese (Mn) | Phosphorus (P) | Sulfur (S) |
| Q235B | 0.12 - 0.20 | ≤ 0.30 | 0.30 - 0.70 | ≤ 0.045 | ≤ 0.045 |
| 55Q | 0.50 - 0.60 | 0.15 - 0.35 | 0.60 - 0.90 | ≤ 0.040 | ≤ 0.040 |
Note: The relatively high manganese-to-carbon ratio provides the rail with improved toughness and resistance to impact, which is critical for the narrow-gauge environments where S20 profiles are typically deployed.
2. Material Strength & Mechanical Properties of Rail S20
The S20 rail is a medium-weight DIN 5901 standard light steel rail, weighing approximately 19.8 kg per meter, typically used in industrial applications such as factory floor crane tracks, warehouse logistics, and mining lines.The mechanical performance of the S20 rail is defined by its ability to withstand tensile stress and its capacity for plastic deformation before failure.
| Q235B | Mechanical property | |||||
| Yield strength | Tensile strength | Elongation | Hardness | |||
| MPa | kg/mm² | MPa | kg/mm² | min | HB | |
| ≥ | ≥ | |||||
| 235 | 24 | 375-460 | 38-47 | 26% | ||
| 55Q | Mechanical property | |||||
| Yield strength | Tensile strength | Elongation | Hardness | |||
| MPa | kg/mm² | MPa | kg/mm² | min | HBW | |
| ≥ | ≥ | ≥ | ≥ | ≥ | ||
| 685 | 69 | 197 | ||||
Our internal quality control protocol includes Mill Test Certificates (MTC) for every batch, confirming that the S20 Steel Rail adheres to the chemical and physical requirements of the European Standard.
Where is the S20 Light Rail Used?
With a weight of nearly 20 kg per meter, the S20 rail strikes an excellent balance between structural stability and cost-effectiveness. It is typically installed in environments supporting axle loads of 1 to 3 tons.
Common applications include:
- Mining & Tunnelling: Main transport tunnels and underground extraction lines for coal, gold, and copper mines. (Experience signal)
- Narrow-Gauge Railways: Forestry transport, agricultural estates, and industrial park rail lines.
- Factory Equipment Tracks: Ground tracks for overhead cranes (light duty), transfer cars, and brick kiln trolleys.
- Amusement Parks: Tracks for scenic railway rides and miniature trains.
Why Source S20 Rails from GNEE RAIL?
Our integrated production lines strictly adhere to DIN 5901 standards, backed by ISO 9001 and SGS-verified Mill Test Certificates to ensure S20 rails deliver exceptional wear resistance. GNEE RAIL exported 100 tons of S20 rails to Indonesia, providing high-strength support for local industrial projects. From high-standard metallurgy to precision tolerance control, each S20 rail is optimized for maximum wear resistance, guaranteeing long-term reliability for demanding mining and industrial infrastructure.
✅ Strict Quality Control (QC): Every batch of our S20 rails undergoes Ultrasonic Testing (UT) to detect internal flaws, guaranteeing a 100% safe product.
🛠️ Custom Processing Services: We don't just sell rails; we provide solutions. We can accurately cut the S20 rail to your specific length (e.g., 5m, 6m, 9m) and pre-drill holes at the ends for easy fishplate installation.
🔗 One-Stop Track Fastener Solutions: GNEE RAIL offer complete sets of matching rail accessories tailored specifically for the S20 profile. You can source exactly matched S20 fishplates (joint bars), high-strength fish bolts, rail spike , rail pad , rail shoulder, hex nuts, base plates, and steel rail clips ,etc directly from us.
🚢 Secure Packaging & Global Delivery: GNEE RAIL understand the challenges of shipping heavy steel internationally. S20 rails are securely bundled with high-strength steel wire to prevent shifting. While we supply bare steel by default, optional anti-rust painting or oiling is available to protect your cargo during long sea voyages.
📜 Certified Authoritativeness (TSI & SGS): Quality and safety are our top priorities. We are hold the European Union TSI (Technical Specification for Interoperability) certification, ensuring our rails meet the strictest European railway safety and technical standards. Additionally, our facility and products are fully audited and certified by SGS, providing you with 100% third-party guaranteed reliability.
Frequently Asked Questions about S20 Rail
Q: What is the exact weight of S20 rail per meter?
A: The standard theoretical weight of the DIN 5901 S20 light rail is exactly 19.8 kilograms per meter (19.8 kg/m ).
Q: What is the difference between S18 and S20 light rail?
A: The main difference is the profile size and weight. S18 weighs roughly 18 kg/m , while S20 weighs 19.8 kg/m . S20 has a slightly wider base and head, providing better stability and higher load-bearing capacity compared to S18.Transitioning to S20 is recommended for projects expecting increased haulage frequency.
Q: Can these rails be used for overhead crane systems?
A: The DIN 5901 S20 RAIL is primarily designed for floor-based transport. For overhead cranes, we recommend checking the wheel load requirements; however, for light-duty gantry systems, S20 is a frequently used and cost-effective solution.
Q: Do you supply matched accessories for S20 rails?
A: Yes! GNEE supply matching S20 fishplates (joint bars), fish bolts, nuts, and steel rail clips designed perfectly for the S20 profile.
Q: What is the Minimum Order Quantity (MOQ) for export?
A: Generally, our MOQ for export is 10 to 25 tons (equivalent to one 20ft container) to ensure cost-effective sea freight for our clients. However, we can discuss LCL (Less than Container Load) for trial orders.
GNEE RAIL operates a specialized production facility capable of delivering S20 steel rails with high dimensional precision. Beyond the DIN 5901 S20 profile, our workshops produce an extensive range of railway tracks, including heavy rails (such as 115RE, 136RE, UIC54, and UIC60), crane rails (QU70 to QU120, DIN 536 series), and various light rail profiles tailored to international standards.
Our primary advantage is the ability to provide a fully integrated track system. We manufacture all essential components in-house to ensure mechanical compatibility and structural integrity:
- Fastening Systems: E-type clips, SKL tension clamps, and KPO clamping systems.
- Connection Components: Matching fishplates (joint bars), track bolts, and high-strength nuts.
- Support & Fixation: Baseplates (tie plates), rubber pads, screw spikes, and dog spikes.
We accommodate specific project requirements through flexible manufacturing capabilities, including precision cutting to custom lengths, specialized hole drilling, and the application of diverse steel grades (such as Q235, 55Q, or U71Mn) to meet specific load and wear demands. Every production batch is accompanied by a Mill Test Certificate (MTC) and undergoes rigorous internal quality inspections, including ultrasonic flaw detection, to ensure compliance with global infrastructure standards.
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