Rail Fasteners Manufacturer for Railway Track & Infrastructure Projects
We manufacture rail fastening components and complete fastening assemblies for railway, metro, heavy-haul and industrial track systems. Our range covers standard fastening parts, drawing-based OEM components and replacement parts for existing track systems.
For project orders, production can be based on drawings, samples or existing component references. Technical details are reviewed before production to confirm dimensions, materials, treatments and inspection criteria.
Specification
|
Material |
Material Chemical Composition (%) |
Tensile Strength (Mpa) |
Yield Strength (Mpa) |
Elongation (%) |
||||
|
C |
Si |
Mn |
P |
S |
||||
|
QT400-15 (GGG40) |
3.6-.36 |
3.0-3.2 |
0.5 |
0.07 |
0.02 |
400 |
250 |
15 |
|
QT450-10 (GGG45) |
3.4-3.9 |
3.7-3.0 |
0.5 |
0.07 |
0.03 |
450 |
310 |
10 |
|
QT500-7 (GGG50) |
3.4-3.8 |
2.5-2.9 |
0.6 |
0.08 |
0.025 |
500 |
320 |
7 |
Our rail fastening supply covers individual components as well as coordinated fastening assemblies for different track structures.
Elastic Rail Clips
Spring steel clips formed for controlled rail restraint, installation fit and repeated loading.
Rail Shoulders & Inserts
Sleeper-side components that position fastening elements and provide the required connection between the fastening and support structure.
Rail Screws, Bolts & Spikes
Threaded and driven fasteners for rail-to-sleeper, rail-to-plate and related connections.
Baseplates & Tie Plates
Formed or machined plates providing rail support, load distribution and fastening interfaces.
Rail Pads & Insulators
Polymer components used for electrical separation, controlled contact and protection within the fastening arrangement.
Complete Fastening Assemblies
Matched combinations of clips, shoulders, screws, pads, insulators and associated hardware for a defined track configuration.
OEM & Replacement Components
Drawing-based parts for new railway projects, proprietary systems and replacement of existing fastening components.
Concrete Sleepers
Fastening sets can include elastic clips, shoulders, screws, rail pads and insulators configured for concrete sleeper systems.
Timber Sleepers
Screws, spikes, plates and related components are supplied for timber-supported track where the fastening method is integrated with the sleeper structure.
Steel Sleepers
Components are manufactured to suit the attachment points, geometry and fastening interfaces of the steel sleeper.
Ballastless Track
Direct-fixation and other ballastless track applications require accurate control of fastening geometry, rail restraint and electrical insulation. Components can be produced to the dimensions defined by the track system.
Turnouts & Special Trackwork
Special trackwork often involves non-standard dimensions and interfaces. Components can be manufactured from project drawings or approved samples where standard fastening dimensions are not applicable.
Performance Requirements for Rail Fasteners
Rail fasteners operate under repeated wheel loads, vibration and environmental exposure. Rail fastener performance is determined by the interaction between the fastening components, rail and supporting structure.
Clamping Force
Maintains the required rail restraint while allowing the clip to perform within its designed working range.
Longitudinal Resistance
Limits unwanted rail movement along the track under service loading.
Lateral Restraint
Supports rail stability through the relationship between fastening geometry, component position and the rail-support interface.
Fatigue Performance
Loaded components such as elastic clips must retain their mechanical characteristics through repeated loading cycles.
Dimensional Accuracy
Critical interfaces determine installation fit, rail position and component interchangeability.
Electrical Insulation
Pads and insulators provide the electrical separation required by the track system.
Corrosion Protection
Surface protection is matched to the component material and the exposure conditions of the track environment.
Materials, Forming & Heat Treatment
|
Stage |
Materials / Process |
Key Controls |
|
Material Selection |
Spring steel, carbon steel, alloy steel, stainless steel and engineering polymers |
Grade, dimensions and mechanical properties |
|
Forming & Machining |
Forging, cold forming, bending, machining and threading |
Geometry, dimensions and critical interfaces |
|
Heat Treatment |
Quenching, tempering or other specified treatments |
Hardness and material condition |
|
Surface Treatment |
Coating and other corrosion-protection treatments |
Surface condition and coating coverage |
Spring Steel Selection
Elastic rail clips depend on the mechanical properties of the spring steel. Material grade, section dimensions and material condition provide the basis for forming and heat treatment.
Formed Profile
The clip profile determines its contact points, working position and installation geometry. Forming conditions are controlled to maintain profile consistency between production batches.
Heat-Treated Properties
Heat treatment establishes the hardness and material condition needed for repeated loading. Consistency at this stage directly affects the working behavior of the finished clip.
Production Repeatability
For repeat orders, the approved production reference can be retained so that clip geometry and material characteristics remain consistent from one batch to the next.
Quality Inspection at Critical Manufacturing Stages
Inspection is carried out at key production points to identify deviations before finished products are released.
|
Production Stage |
Inspection Focus |
|
Incoming Material |
Material grade, dimensions and supporting documentation |
|
After Forming |
Formed profile and critical dimensions |
|
After Heat Treatment |
Hardness and material condition |
|
After Surface Treatment |
Surface condition and coating coverage |
|
Final Inspection |
Dimensions, interfaces, appearance, identification and quantity |
Drawing-Based OEM Rail Fasteners
Drawing as the Production Reference
Customer drawings provide the primary reference for OEM rail fastener production, covering component geometry, interfaces, tolerances and material specifications.
Technical Review Before Production
Drawings are reviewed before production to identify critical dimensions, functional interfaces and manufacturing considerations. Any technical points requiring confirmation are resolved before the order enters production.
Controlled Repeat Production
Once the technical reference is approved, the same production basis can be maintained for repeat batches, supporting consistent dimensions and interchangeability across ongoing OEM orders.
Replacement Rail Fasteners for Existing Track Systems
Existing Component Reference
When original drawings are unavailable, an existing fastening component can provide the starting reference for replacement production. Key dimensions and interfaces are examined before manufacture.
System Compatibility
Replacement parts are evaluated as part of the existing fastening arrangement rather than as standalone components. Fit with the rail and supporting structure is therefore considered during technical review.
Repeat Maintenance Supply
Once a replacement component has been approved, the established reference can be retained for subsequent orders, simplifying recurring maintenance supply.
From Material Batch To Shipment
For orders requiring traceability, material batches can be linked to production batches, inspection records and finished-product identification.
Material Batch → Production Batch → Inspection Records → Product Identification → Packing
Identification may include the part number, batch number, customer PO, quantity or project reference.
Packaging is arranged according to component type, dimensions, quantity and transportation requirements.
Depending on the product and order, components may be packed in cartons, pallets, wooden cases, steel pallets or bulk packaging. Package identification can include:
• Part Number
• Batch Number
• PO Number
• Project Reference
• Quantity
Supply for Railway Procurement
Project Orders
Individual components or complete fastening assemblies can be supplied for infrastructure projects, with quantities and deliveries coordinated around the order schedule.
OEM Orders
Drawing-based production supports proprietary components and recurring orders where an approved technical reference is maintained.
Maintenance Orders
Replacement fasteners can be supplied against approved drawings, samples or established production references for recurring maintenance work.
Distributor Orders
Standard fastening components can be prepared for repeat purchasing, stock replenishment and export shipment.
Information We Need to Quote Rail Fasteners
A clear technical reference helps us confirm the correct component before pricing.
Please provide the following where available:
• Rail Profile
• Sleeper / Support Type
• Fastening Type
• Application
• Drawing or Existing Sample
• Applicable Standard
• Required Quantity
• Delivery Location
For OEM and replacement components, a drawing or existing sample is particularly useful because fastening dimensions are often specific to the track system.
FAQ
As one of the most professional rail fasteners manufacturers and suppliers in China, our products have good reputation in the market. We warmly welcome you to buy premium rail fasteners for sale here from our factory. All customized products are with high quality and competitive price.