Description
Technical Parameters
Railway SKL Clips - Material Upgrades & Corrosion Resistance Performance
| Model | Core Material | Wire Diameter (mm) | Hardness (HRC) | Surface Treatment Technology | Corrosion Resistance Test Result | Service Life (Under Normal Conditions) |
|---|---|---|---|---|---|---|
| SKL 1-Plus | 60Si2CrNiMoA | 13 | 43–48 | Double-layer Zn-Al alloy plating (100μm) + passivation | Neutral salt spray test: No red rust for 1500h | 12–15 years |
| SKL 3-HD | 55SiMnVB | 13 | 42–47 | Ceramic composite coating (30μm) | Acid rain simulation test: Mass loss ≤0.5g/m² after 2000h | 10–13 years |
| SKL 12-Marine | 2Cr13 stainless steel | 13 | 40–45 | Electropolishing + PTFE coating | Marine salt spray test: No corrosion spots for 2000h | 15–18 years |
| SKL 14-Arctic | 60Si2MnCrCuA | 13 | 44–49 | Low-temperature resistant zinc plating (80μm) | -60°C cold impact test: No cracks after 50 cycles | 8–12 years |
| SKL B15-Industrial | 65MnCrMoA | 15 | 45–50 | Dacromet (15μm) + epoxy resin coating | Industrial dust test: No coating peeling for 3000h | 9–11 years |
Railway SKL Clips - Dynamic Performance Under Different Load Conditions
| Model | Rated Clamping Force (kN) | Dynamic Load Resistance (kN) | Fatigue Life (Under 1.2×Rated Load) | Lateral Displacement (Under 8kN Lateral Force) | Elastic Recovery Rate (After 1000 Load Cycles) | Applicable Max Axle Load (t) |
|---|---|---|---|---|---|---|
| SKL 1 | 8–10 | ≥12 | ≥3.5×10⁶ cycles | ≤1.2mm | ≥96% | ≤20 |
| SKL 3 | 8–10 | ≥11.5 | ≥3.2×10⁶ cycles | ≤1.3mm | ≥95% | ≤20 |
| SKL 12 | 7–9 | ≥9.5 | ≥2.8×10⁶ cycles | ≤1.5mm | ≥94% | ≤18 |
| SKL 14 | 9–11 | ≥13 | ≥4.0×10⁶ cycles | ≤1.0mm | ≥97% | ≤25 |
| SKL B15 | 12–14 | ≥15 | ≥4.5×10⁶ cycles | ≤0.8mm | ≥98% | ≤30 |
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