Railway E Clips - Basic Specifications & Materials Comparison
| Feature | Type A (Heavy Duty) | Type B (Standard) | Type C (Corrosion Resistant) |
|---|---|---|---|
| Material | 60Si2MnA Spring Steel | 55CrSi Alloy Steel | AISI 316 Stainless Steel |
| Hardness (HRC) | 44-48 | 40-44 | 36-40 |
| Surface Treatment | Zinc Plating (≥20μm) | Phosphating + Black Oxide | Passivation |
| Tensile Strength (MPa) | ≥1600 | ≥1450 | ≥800 |
| Operating Temperature | -40°C ~ +120°C | -30°C ~ +100°C | -50°C ~ +200°C |
| Corrosion Resistance | Moderate (Salt Spray: 240h) | Good (Salt Spray: 360h) | Excellent (Salt Spray: 1000h+) |
| Primary Application | Heavy-haul Railways, Switches | Conventional Ballasted Track | Coastal/Underground Metro, Tunnels |

Railway E Clips - Geometric Dimensions & Performance Parameters
| Parameter | Specification | Tolerance | Test Standard |
|---|---|---|---|
| Total Length (L) | 78 mm | ±0.5 mm | EN 13146, AS 1085 |
| Leg Height (H) | 18 mm | ±0.3 mm | EN 13146 |
| Thickness (t) | 10 mm | ±0.2 mm | ISO 5002 |
| Opening Width (W) | 25 mm | ±0.8 mm | EN 13146 |
| Bending Radius (R) | 6 mm | ±0.5 mm | ISO 7800 |
| Elastic Deflection | 8-12 mm at 15kN | ±1 mm | EN 13146-5 |
| Clamping Force | 12-18 kN | ±1.5 kN | UIC 864-0 |
| Fatigue Life | ≥2 million cycles | - | EN 13146-6 |
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