Description
Technical Parameters
Key Technical Parameters of Railway SKL Clips
| Model | Wire Diameter | Material Grade | Hardness Range | Clamping Force | Fatigue Life | Surface Treatment | Weight per Piece |
|---|---|---|---|---|---|---|---|
| SKL 1 | φ13mm | 60Si2CrA | 42–47 HRC | 8–10 kN | ≥3.0×10⁶ cycles | Hot-dip galvanizing (≥80μm) | 0.48 kg |
| SKL 3 | φ13mm | 60Si2CrA | 42–47 HRC | 8–10 kN | ≥3.0×10⁶ cycles | Hot-dip galvanizing (≥80μm) | 0.48 kg |
| SKL 12 | φ13mm | 38Si7 | 40–45 HRC | 7–9 kN | ≥2.5×10⁶ cycles | Electro-galvanizing (≥20μm) | 0.53 kg |
| SKL 14 | φ13mm | 60Si2CrA/38Si7 | 42–47 HRC | 9–11 kN | ≥3.5×10⁶ cycles | Dacromet (≥12μm) | 0.53 kg |
| SKL B 15 | φ15mm | 55SiMnVB | 44–49 HRC | 12–14 kN | ≥4.0×10⁶ cycles | Ceramic coating (≥25μm) | 0.65 kg |
Application Scenario Matching of Railway SKL Clips
| Model | Applicable Railway Type | Matched Rail Section | Max Axle Load | Environmental Adaptability | Compliance Standard |
|---|---|---|---|---|---|
| SKL 1 / SKL 3 | Regional Mainline Railway | UIC 54, 38–50 kg/m rail | ≤20 t | General outdoor (anti-rust via hot-dip galvanizing) | DIN 17221, GB/T 1222 |
| SKL 12 | Urban Light Rail / Tram | 22–38 kg/m light rail | ≤8 t | Humid urban areas (basic anti-corrosion) | EN 13481-3, TB/T 3395.1 |
| SKL 14 | Freight Mainline Railway | UIC 60, 43–50 kg/m rail | ≤25 t | High-vibration freight lines (wear-resistant) | AREMA 10, BS 970 |
| SKL B 15 | Heavy-Haul Railway | 50–60 kg/m heavy rail | ≤30 t | Severe working conditions (high strength) | TB/T 3562, D |
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