Railway SKL Clip - Technical Data Sheet (English Version)
| Item | Description / Specification |
|---|---|
| Product Name | SKL Railway Clip (Spring Clip) |
| Standard / System | German Federal Railway (DB) Standard System |
| Type | SKL 1, SKL 3, SKL 12, SKL 15, SKL Tension Clip (Specific type varies by application) |
| Primary Function | To clamp the railway rail to the baseplate, ensuring gauge stability and transmitting rail forces to the track structure. |
| Material | High-quality spring steel, typically 60Si2CrA, 60Si2MnA, or equivalent according to EN 10089. |
| Surface Treatment | Phosphating or Electro-galvanizing for superior corrosion protection. |
| Heat Treatment | Quenched and Tempered to achieve required mechanical properties and fatigue life. |

Clamping Force Comparison Table for Common SKL Types
| SKL Clip Type | Toe Load (kN) | Installing Force (kN) | Applicable Rail Section | Notes |
|---|---|---|---|---|
| SKL 1 | ~ 9.0 | ~ 22.0 | 54 E1, 60 E1 | Standard type |
| SKL 3 | ~ 10.5 | ~ 24.0 | 54 E1, 60 E1 | Higher clamping force |
| SKL 12 | ~ 9.5 | ~ 22.5 | 60 E1 | |
| SKL 15 | ~ 9.0 | ~ 22.0 | 60 E1 | |
| SKL Tension Clip | Specified by Design | Specified by Design | Various | For special tensioning applications |
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