Qingdao Sande Technology Co., LTD
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Durable Forged Rail Restraint Plates for Permanent Way Applications
Product Overview
Precision-forged fixed limit plates designed for railway track systems, providing secure rail positioning and long-term stability in :
✔ Mainline Tracks (Ballasted & slab tracks)
✔ Turnouts & Crossings (Fixed frog assemblies)
✔ Bridge Transitions (Expansion joint control)
✔ Metro & Heavy Rail Systems (High-axle load environments)
Key Features & Benefits
1. Superior Forged Construction
Material : EN 10025 S355JR/S460JR or AREMA Grade C/M
Process : Closed-die hot forging for optimal grain flow
Hardness : 180-240 HB (Hardened options available)
Corrosion Resistance : Optional weathering steel or zinc plating
2. Engineering Advantages
Impact Resistance : Withstands 50J+ at -40°C (Charpy tested)
Fatigue Life : 2M+ load cycles (UIC 860V compliant)
Precision Fit : CNC-machined bolt holes (±0.2mm tolerance)
3. Compliance & Certification
EN 13674-1 (Railway applications - Track - Rail)
AREMA Chapter 30 (Fixed track components)
ISO 9001 & IRIS certified production
Technical Specifications
| Parameter | Specification |
|---|---|
| Material Grades | Carbon Steel / Alloy Steel / Weathering Steel |
| Thickness | 20-50mm (Standard), Custom up to 80mm |
| Hole Tolerance | ±0.2mm (Machined), ±0.5mm (As-forged) |
| Surface Finish | Shot blasted (SA 2.5), Rust-inhibitive coatings |
| Working Load | 250-800 kN (Design-specific) |
Why Choose Our Forged Limit Plates?
✅ Extended Service Life – 3-5X longer than cast alternatives
✅ Vibration Resistance – Forged microstructure reduces crack propagation
✅ Custom Engineering – Tailored profiles for special track designs
✅ Global Rail Compliance – Meets UIC, AREMA, BS, and GOST standards
Ordering Information
Available Configurations :
Standard AREMA/EN profiles
Custom hole patterns & thicknesses
Pre-assembled kits with fasteners
Lead Times :
Stock items: 1-2 weeks
Custom forgings: 6-8 weeks
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