Description
Technical Parameters
Detailed Technical Specifications of SKL Rail Clips
| Model | Core Diameter (mm) | Material Grade | Hardness Range (HRC) | Unit Weight (kg) | Clamping Force (kN) | Fatigue Test Standard | Surface Treatment |
|---|---|---|---|---|---|---|---|
| SKL 1 | 13.0 ± 0.2 | 60Si2Mn | 43 - 49 | 0.46 | 8.5 - 11.0 | 5 million cycles (no fracture) | Hot-dip galvanized |
| SKL 3 | 13.0 ± 0.2 | 60Si2CrVAT | 45 - 50 | 0.51 | 10.0 - 12.5 | 5 million cycles (no fracture) | Black oxide + oil |
| SKL 12 | 14.5 ± 0.2 | 38Si7 | 42 - 47 | 0.58 | 7.8 - 9.5 | 3 million cycles (no fracture) | Electroplated zinc |
| SKL 14 | 14.5 ± 0.2 | 55SiMnMoV | 44 - 49 | 0.62 | 9.2 - 11.8 | 3 million cycles (no fracture) | Passivated |
| SKL 24 | 16.0 ± 0.2 | 60Si2MnA | 46 - 51 | 0.75 | 12.0 - 14.5 | 5 million cycles (no fracture) | Dacromet coating |
Application & Compatibility of SKL Clips
| Model | Compatible Fastener System | Applicable Rail Profile | Target Application Scenarios | Operating Temperature Range | Compliance Standard |
|---|---|---|---|---|---|
| SKL 1 | Vossloh 300 | UIC 54 / 50 kg/m | Passenger rail mainlines, regional railways | -40°C to +60°C | EN 13146 |
| SKL 3 | Pandrol FAST | UIC 60 / 60 kg/m | High-speed railways (≤350km/h), heavy-haul lines | -50°C to +70°C | DIN 17221 |
| SKL 12 | KPO | Light rail (R40 / R50) | Urban trams, light metro systems | -30°C to +55°C | BS 970 |
| SKL 14 | DELTA | Crane rails (R65 / R75) | Port yards, industrial railways, freight terminals | -20°C to +65°C | GB/T 1222 |
| SKL 24 | Vossloh 180 | UIC 71 / 75 kg/m | High-capacity freight lines, mountain railways | -45°C to +60°C | AREMA |
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