Description
Technical Parameters
Railway Screw Spikes Comparison
| Type | Standard | Thread Size | Material | Surface Treatment | Key Applications |
|---|---|---|---|---|---|
| Standard Screw Spike | TB/T 3065.2-2016 | M24×180 | 45# Carbon Steel | Galvanized (Class B) | Conventional Rail, Freight |
| High-Strength Screw Spike | EN 13481-5:2012 | M30×200 | 40Cr Alloy Steel | Dacromet Coating | Heavy-Haul (30t+ Axle Load) |
| Insulated Screw Spike | IEC 61373:2010 | M24×180 + Nylon Sleeve | Stainless Steel (304/316) | None (Natural Anti-Corrosion) | Electrified Tracks (Metro, HSR) |
| Pandrol E-Screw Spike | EN 13146-4:2020 | Special Thread | High-Carbon Steel | Zinc Diffusion | European LRT, Ballasted HSR |
Technical Specifications
| Parameter | Standard Spike | High-Strength Spike | Insulated Spike |
|---|---|---|---|
| Pull-out Force (kN) | 30–50 | 50–70 | 25–35 |
| Installation Torque (N·m) | 300–400 | 400–500 | 200–300 |
| Fatigue Life (Cycles) | ≥500,000 | ≥1,000,000 | ≥500,000 |
| Corrosion Resistance (Years) | 15–20 | 20–25 | 30+ (Stainless) |
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