Port Crane QU100 GB Rail

The QU100 GB rail is a specialized heavy crane rail manufactured strictly according to the Chinese GB/T 3426 standard (or YB/T 5055-2014). Designed specifically for heavy-duty load bearing, it features a wider head and thicker web compared to standard railway tracks.

GB QU100 Rail is typically used in the traveling systems of container terminal quay cranes (STS cranes), yard gantry cranes, and large portal cranes in shipyards . Manufactured from U71Mn high-manganese steel with tensile strength ≥880MPa, our QU100 rail provides the load-bearing capacity, wear resistance, and fatigue life required for high-frequency port operations in harsh marine environments . The rail is hot-rolled and heat-treated to ensure uniform hardness distribution and internal stress relief, preventing deformation under heavy wheel pressure.

We supply premium QU100 rails with guaranteed metallurgical integrity and precise dimensional tolerances to ensure the smooth, safe operation of high-tonnage gantry and bridge cranes.

The QU100 port crane rail is a heavy-duty, high-strength rail designed for port and shipyard cranes, standardizing at 88.96 kg/m weight and 150mm height (YB/T5055-2014). Manufactured typically from U71Mn steel, it features a 100mm head width, 150mm bottom width, and 38mm web thickness, supporting high axle loads.

Size *	Rail height(mm) A	Bottom Width(mm) B	Head Width(mm) C	Web Thickness(mm) t	Weight(kg/m) *
QU70	120	120	70	28	52.8
QU80	130	130	80	32	63.69
QU100	150	150	100	38	88.96
QU120	170	170	120	44	118.1

Key Features Bullet Points of QU100 Crane Rail:

The QU100 crane rail is designed for heavy-duty applications, featuring a 100mm wide head and 150mm total height to provide superior load-bearing capacity and stability. Its wide head ensures excellent contact with crane wheels, while the 150mm base width improves pressure distribution and structural stability, reducing wear and enhancing safety for high-load, continuous-use cranes.

Key Size Advantages of QU100 Rail:

• High Load-Bearing Capacity: The heavy rail profile (150mm height, ~90 kg/m) is designed for high-intensity, heavy freight operations, including large gantry and port cranes.

• Enhanced Stability and Reduced Wear: The 100mm wide head optimizes the contact area with wheels, minimizing wear and ensuring smooth operation even under high stress.

 

• Improved Pressure Distribution: A 150mm wide base provides a wide support surface, preventing the rail from sinking into the foundation and enhancing overall structure longevity.

 

• Structural Rigidity: The 38mm thick web ensures resistance to deformation, crucial for maintaining alignment during heavy lifting.

• Compatibility: The standardized 150mm height is compatible with common crane wheel assemblies, making it suitable for a wide range of industrial applications, including steel mills and container terminals.

Port crane tracks operate under extreme friction and high wheel loads. Our QU100 rails are forged using premium U71Mn steel grades to ensure superior tensile strength and wear resistance.

Key Advantages of U71Mn Rails:

U71Mn is a high-performance manganese-alloyed carbon steel, making it ideal for rails due to its superior wear resistance, high tensile strength (880–1080 MPa), and excellent toughness against heavy axle loads and fatigue. It provides durability, reduced maintenance costs, and high reliability, making it perfect for heavy-haul, high-speed, and high-traffic rail infrastructure.

• Superior Wear Resistance: High manganese content improves hardenability, forming a fine-grained, hard structure that resists abrasive wear and contact fatigue (spalling/cracking).

• High Strength and Toughness: With tensile strength exceeding 880 MPa and yield strength above 780 MPa, it withstands heavy loads without permanent deformation. It also maintains structural integrity under sudden, high-impact loads.

• Enhanced Durability: Engineered for extreme resilience, U71Mn rails last longer, reducing the frequency of replacement and lowering overall lifecycle costs.

• Good Weldability: It is suitable for various welding techniques, including thermit and arc welding, facilitating easier maintenance and installation.

• Cost-Effectiveness: Offers a high-performance, durable, and reliable solution for both passenger and heavy-duty freight transport systems, proving to be cost-effective for large-scale infrastructure projects.

• High Precision: Produced with tight dimensional tolerances (e.g., ≤ ±0.5 mm), ensuring superior safety and smooth operation.

To ensure track stability under high-tonnage port cranes, we provide a complete set of fastening systems specifically matched for the QU100 rail profile:

• Welded Crane Rail Clips: WJK-110 / QU100 specific welded clips (Base, upper clip, bolt, nut, and spring washer).

 

• Rubber Rail Pads: Mk6 / Continuous grooved rubber pads (7mm/9mm thickness) to reduce vibration and extend rail life.

 

• Steel Sole Plates: Customized tie plates based on your concrete foundation drawings.

 

• Fishplates / Joint Bars: Qu100 bolted joint bars for continuous track connection.

• Processing Services: 45-degree miter cutting for expansion joints, custom hole drilling for bolted installations.

• Packed for export, strapped with steel bands, and end-protected.

 

• Transported in standard 20GP/40GP containers or in bulk.

 

• Can be coated with anti-rust oil, wrapped in plastic film, or fitted with end caps.

 

• Provided documents: packing list, invoice, certificate of origin, and third-party inspection certificate.

Contact now

GNEE Rail specializes in the export business of GB standard rails. We offer a full range of products including 8kg/m, 18kg/m light rails, QU80, QU100 crane rails, as well as various railway fasteners such as rail clips, bolts and nuts, rubber pads, fish plates, gauge rods, switch components, etc., to meet diverse industrial needs.

With years of export experience, we have established an efficient logistics system to ensure on-time delivery of goods to destinations worldwide. GNEE's professional team provides full-process services from inquiry to shipment. If you need to purchase rail products, please contact GNEE.

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