D Shape Railway Track Clips 16mm 18mm 20mm Diameter with HRC 42-47 Hardness for Rail Fastening Systems
Price:
USD$1-10 PER PC
MOQ:
10000
Delivery Time:
5-8 work days
Brand:
Kingrail
Product Description
D Rail Spring Clips for Railway Track Fastening
D Rail Spring Clips are essential railway components used with sleepers to securely fasten rails on both sides. Manufactured through hot forging process using premium spring steel, these clips provide superior performance with uniform microstructure and excellent durability.
Technical Specifications
| Material Options | 60Si2Cr, 60Si2Mn, 38Si7, 55Si2Mn |
|---|---|
| Hardness | HRC 42-47 |
| Toe Load | ≥10 KN |
| Fatigue Life | 5 million cycles without breaking |
| Surface Treatment | Plain (oiled), Oxide black, Color painting |
| Standards | GB/T 1222, DIN 17221, BS970 |
| Available Diameters | 16mm, 18mm, 20mm |
Key Features
• Forged spring steel construction for uniform microstructure
• High toe load capacity exceeding 10 KN
• Excellent fatigue resistance up to 5 million cycles
• Multiple surface treatment options for corrosion protection
• Compact structure with strong buckle pressure
• Reduced maintenance workload and track stability
• Suitable for heavy-duty railway applications
Compatible Rail Clip Types
E1809, E1609, E1813, E1817, E2001, E2007, E2009, E2055, E2056, E2063, PR401, PR415, PR601, SKL-1, SKL-3, Deenik Clip, and other international standards
Manufacturing Process
1. Raw material selection from certified spring steel producers
2. Precision shearing to required lengths
3. Controlled heating to 950-1000°C forging temperature
4. Power press forming for consistent shape
5. Quenching hardening for optimal strength
6. Tempering at 350°C for enhanced toughness
7. Stringent quality inspection per CRCC standards
8. Secure packaging in woven bags with wooden pallets
Application Benefits
These D-shaped rail clips effectively overcome vibration sources, reduce rail joint diseases, increase joint resistance, and ensure railway transport safety. Their robust construction makes them ideal for large mechanical work lines and heavy cargo rail transit applications.
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Get in Touch
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Company
Maanshan Kingrail Technology Co.,Ltd.
Location
Building 1, Cross-border E-commerce Industrial Park, Comprehensive Bonded Zone, Zhengpugang New District, Ma’anshan City, Anhui Province
Contact Person
Amanda