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Railway Cast Iron Rail Shoulder Embedded Part
Product Description The Cast Iron Rail Shoulder Embedded Part is a precision-engineered component designed for permanent installation in concrete sleepers, providing durable lateral rail restraint and load distribution. Manufactured from high-grade spheroidal graphite iron, these embedded...
Features
The Cast Iron Rail Shoulder Embedded Part is a precision-engineered component designed for permanent installation in concrete sleepers, providing durable lateral rail restraint and load distribution. Manufactured from high-grade spheroidal graphite iron, these embedded shoulders deliver superior performance in heavy-haul and high-speed rail applications.
Material & Manufacturing Specifications
| Property | Specification | Testing Standard |
|---|---|---|
| Material Grade | EN-GJS-500-7 | EN 1563 |
| Tensile Strength | ≥500 MPa | EN 10002-1 |
| Yield Strength | ≥320 MPa | EN 10002-1 |
| Elongation | ≥7% | EN 10002-1 |
| Hardness | 170-240 HBW | EN ISO 6506-1 |
| Impact Energy | ≥14J (-20°C) | EN ISO 148-1 |
Dimensional Tolerances
| Feature | Tolerance | Measurement Method |
|---|---|---|
| Overall Length | ±0.5mm | CMM |
| Bolt Hole Diameter | +0.2/-0.0mm | Go/No-Go Gauge |
| Flatness | 0.1mm/m | Optical Comparator |
| Surface Finish | Ra 3.2μm | Surface Profilometer |
Embedment Design Features
Mechanical Interlock System
Dovetail grooves (5° draft angle)
Hexagonal protrusions (20mm height)
Shear ribs (8mm depth, 45° angle)
Corrosion Protection
Hot-dip galvanizing (85μm minimum)
Sealing grooves for epoxy injection
Cathodic protection compatibility
Installation Aids
Precision locator pins (±0.25mm)
Torque-limiting flanges
Laser-etched alignment marks
Performance Characteristics
Load Capacity: 35kN lateral / 50kN vertical
Fatigue Life: 10⁷ cycles at 25kN dynamic load
Temperature Range: -40°C to +120°C
Design Life: 15+ years in C4 corrosion environments
Concrete Integration Requirements
| Parameter | Specification |
|---|---|
| Concrete Grade | ≥C50/60 |
| Minimum Cover | 40mm |
| Vibration Frequency | 50-100Hz |
| Cure Time Before Loading | 28 days |
| Compression Set | <0.2mm after 24h |
Our Service Processes
Pre-sales Consultancy
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Confirmation of order
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Production
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Multi-Channel Shipping
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Confirmation of recei
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After-sale Services
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