50kg Rail
The 50kg rail is a premium-grade solution designed for critical heavy-duty applications, meeting the rigorous standards of GB2585-2021. Constructed from U71Mn high-manganese steel, it delivers exceptional tensile strength (≥880MPa) and wear resistance, making it ideal for railway main lines, freight yards, and heavy industrial crane systems. With a weight of 51.514kg/m and robust dimensions (152mm height x 132mm base), this rail ensures reliable performance under continuous heavy traffic and extreme environmental conditions.
50KG Rail Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Rail Size | 50kg | Rail Type | Heavy Rail |
| Standard | GB2585-2021 | Material | U71Mn |
| Rail Height | 152 mm | Head Width | 70 mm |
| Bottom Width | 132 mm | Web Thickness | 15.5 mm |
| Weight | 51.514 kg/m | Length | 12.5 m or customized |
For custom lengths or higher-strength materials, please contact our team for tailored production solutions.
50kg Rail Material Parameter
U71Mn high-manganese steel offers superior mechanical performance (tensile ≥880MPa) and abrasion resistance, fully compliant with GB2585-2021 for heavy rail applications.
| U71Mn | Mechanical Property | Chemical Composition(%) | |||||||||
| Yield strength | Tensile strength | Elongation | Hardness | C | Si | Mn | S | P | |||
| MPa | kg/mm² | MPa | kg/mm² | min | HBW | ≤ | ≤ | ||||
| — | —- | ≥880 | — | 9% | 260 | 0.65-0.76 | 0.15-0.35 | 1.10-1.40 | 0.030 | 0.030 | |
Applications of 50kg Rail
Mining & Heavy Industry
Large-scale mine haulage tracks for ore and equipment transport. Industrial railway systems in quarries and energy production sites.
Railway Infrastructure
Main lines for passenger and freight transportation. High-traffic freight yards and railway maintenance depots.
Specialized Transport Networks
Military and industrial special railway lines. Heavy machinery transport tracks in large construction projects.
Industrial Crane Systems
Overhead crane rails in steel mills, ports, and logistics hubs. Heavy-duty hoisting tracks for factory workshops and manufacturing facilities.
Advantages of Our 50kg Rail
GB Standard Compliance & Ready Inventory
Meets GB2585-2021 quality benchmarks, with standard 12.5m rails in stock for fast delivery within 10-20 days.
U71Mn High-Strength Design
Tensile strength ≥880MPa supports heavy loads up to 40 tons per axle, reducing track deformation in high-traffic environments.
Customization for Precision Projects
Tailor-cut lengths and precision machining (bevel cutting, punching) ensure seamless integration in curved tracks or switch sections.
Corrosion Resistance & Low Maintenance
Optional heat treatment or anti-rust coatings enhance durability in harsh environments, while robust design minimizes maintenance needs.
Glory Rail Custom Processing Services



- Length Customization
Standard 12.5m rails or custom lengths for large-scale track systems. Precision cutting to minimize material waste in complex layouts. - Precision Machining
Angle cutting for seamless integration in curved tracks or switch installations. Drilling and tapping for heavy-duty bolts and rail clips.
Stress relief processing to enhance structural stability. - Surface & Heat Treatments
Induction hardening for rail heads to improve wear resistance.
Galvanization or epoxy coating for protection in coastal or high-moisture environments.
With decades of engineering experience in rail manufacturing, Glory Rail focuses on delivering precision-engineered crane rail systems designed for demanding industrial applications. Operating under established GB specifications with ISO-certified quality management, we integrate controlled steel processing and in-process inspection to ensure consistent dimensional accuracy, mechanical performance, and long-term operational reliability.
Build a Complete Rail System
From heavy-duty rails to critical fastening components — everything you need in one place.

Rail Clips
Securely fasten rails to sleepers, maintaining gauge stability under dynamic loads.

Fish Plates
Connect rail ends seamlessly, ensuring smooth transitions and load distribution.

UIC54 Rail
UIC-standard 54kg/m rail for secondary lines, durable and cost-effective.

UIC60 Rail
High-strength 60kg/m UIC rail for main lines, ideal for high-speed/heavy transport.
Rail System Integration Support
Technical support available for rail selection, fastening design, and installation planning for DIN 536 systems.
Global Shipping & Logistics: Your Partner in Reliable 50kg Rail Delivery
In Glory Rail, shipments of crane rails are coordinated through established logistics networks to ensure timely delivery to major ports worldwide, supported by flexible transport arrangements tailored to project schedules.
We ship crane rails from China to major industrial ports worldwide, including Rotterdam, Hamburg, Singapore, and other global terminals, via sea, air, or multimodal transport.
Seaworthy Packaging: Rails are coated for corrosion protection and secured with waterproof wrapping and steel strapping for ocean transport stability. Small components such as clamps and bolts are packed separately with reinforced protection.
Supply Chain & Custom Production: With over 20 years of export experience, Glory Rail works with leading steel mills such as Ansteel and Baowu Group, supporting customized rail production including length adjustment and drilling, with direct factory-to-port shipment.



