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Heavy Haul Fastening System
One-stop Fastening System Factory in China Heavy Haul Fastening System is specifically designed to withstand axle loads exceeding 35 tons while maintaining track integrity under continuous heavy freight operations. Developed through collaboration with major mining railroads, this system delivers...
Features
One-stop Fastening System Factory in China
Heavy Haul Fastening System is specifically designed to withstand axle loads exceeding 35 tons while maintaining track integrity under continuous heavy freight operations. Developed through collaboration with major mining railroads, this system delivers unparalleled durability in high-tonnage, high-impact environments.
System Architecture & Technical Specifications
Heavy Haul Fastening System - Ultra-Durable Rail Retention for Extreme Loads
Clips
Special alloy steel (38Si6/60Si2CrVAT)
18-22kN clamping force (adjustable)
50% thicker cross-section than standard clips
Boronized surface treatment (1500HV hardness)
Heavy-Duty Rail Pads
12-15mm ultra-high molecular weight polyurethane
80-100kN/mm dynamic stiffness
Anti-abrasion ceramic particle infusion
Forged Tie Plates
25-30mm thickness Q460C steel
Weld-reinforced rib design
3D-profiled rail seat geometry
Anchor Assemblies
M30 shoulder bolts (10.9 grade)
Double-locknut configuration
Impact-resistant nylon insulators
Performance Advantages
Extreme Load Capacity
Verified for 40-ton axle loads
01
Impact Resistance
Withstands 50,000+ gross tonnage passages daily
02
Wear Compensation
Self-tensioning design maintains force after rail wear
03
Corrosion Defense
200μm zinc-aluminum coating + epoxy topcoat
04
Quick Replacement
Tool-less clip design minimizes track downtime
05
Our factory & quipment
Technical Validation
|
Fatigue Life |
8+ million load cycles at 35-ton axle loads |
|
Temperature Range |
-50°C to +80°C operational capability |
|
Vibration Control |
35% reduction in ballast degradation |
| Maintenance Interval | 3x longer than conventional systems |
FAQ
Q: What components are included in a complete rail fastening system?
A: Typically includes rail clips (e.g., SKL, Nabla), base plates, insulators, spikes/bolts, and shoulder pads – customizable per project.
Q: What's the maximum axle load supported?
A: Standard systems handle 25-35 tons, with reinforced designs up to 40+ tons for mining railways.
Q: What material are rail clips made of?
A: Spring steel (60Si2MnA/SUP9A), heat-treated to HRC 42-50 for fatigue resistance.
Q: Can fasteners withstand extreme temperatures?
A: Yes, tested for -50°C to +80°C (arctic/desert applications).
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