Description
Technical Parameters
Core Technical Parameters of Railway Nabla Clips
| Model | Wire Diameter | Material | Hardness Range | Clamping Force | Fatigue Life | Surface Treatment | Weight per Piece |
|---|---|---|---|---|---|---|---|
| Nabla PR85 | φ13mm | 60Si2MnA | 42–47 HRC | 7–9 kN | ≥2.5×10⁶ cycles | Hot-dip galvanizing (≥80μm) | 0.25 kg |
| Nabla PR309A | φ19mm | 60Si2CrA | 44–49 HRC | 13–15 kN | ≥3.5×10⁶ cycles | Dacromet (≥12μm) | 0.85 kg |
| Nabla PR401 | φ20mm | 55SiMnVB | 44–49 HRC | 14–16 kN | ≥4.0×10⁶ cycles | Electro-galvanizing (≥20μm) | 0.97 kg |
| Nabla PR415 | φ20mm | 60Si2MnA | 42–47 HRC | 12–14 kN | ≥3.0×10⁶ cycles | Epoxy coating (≥50μm) | 0.95 kg |
| Nabla PR601A | φ20mm | 38Si7 | 40–45 HRC | 10–12 kN | ≥2.0×10⁶ cycles | Oxide black (oil-coated) | 1.03 kg |
Application Scenario Matching of Railway Nabla Clips
| Model | Applicable Railway Type | Matched Rail Section | Max Axle Load | Environmental Adaptability |
|---|---|---|---|---|
| Nabla PR85 | Urban Light Rail / Tram | 18–22 kg/m light rail | ≤5 t | Humid urban areas (anti-rust via hot-dip galvanizing) |
| Nabla PR309A | Regional Mainline Railway | UIC 54, 38–50 kg/m rail | ≤20 t | General outdoor environment (anti-corrosion via Dacromet) |
| Nabla PR401 | Heavy-Haul Freight Railway | UIC 60, 50–60 kg/m heavy rail | ≤30 t | High-vibration freight lines (high strength via 55SiMnVB) |
| Nabla PR415 | Industrial Railway (Factory/Port) | 43–50 kg/m rail | ≤25 t | Corrosive areas (anti-chemical via epoxy coating) |
| Nabla PR601A | Low-Speed Branch Railway | 30–43 kg/m rail | ≤15 t | Dry inland areas (basic protection via oxide black) |
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