Description
Technical Parameters
Product Overview
- Designation: SKL (Spring Clip Low-Profile)
- Primary Use: High-performance rail fastening for ballastless track systems
- Development: Originally developed by German railway, now adopted globally
- Key Feature: Self-locking design without additional nuts
Technical Parameters
| Parameter | SKL12 | SKL15 | SKL20 | Test Standard |
|---|---|---|---|---|
| Length (mm) | 120±0.3 | 150±0.4 | 200±0.5 | EN 13481-1 |
| Clamping Force (kN) | 10±1 | 12±1 | 15±1 | UIC 864 |
| Material | 60Si2CrA | 60Si2CrVAT | 60Si2MnCrA | EN 10089 |
| Hardness (HRC) | 44-48 | 45-49 | 46-50 | ISO 6508 |
| Fatigue Life (cycles) | ≥3×10⁶ | ≥4×10⁶ | ≥5×10⁶ | EN 13146-5 |
| Weight (kg) | 1.8 | 2.4 | 3.1 | - |
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