Core Technical Parameters & Performance of Railway E Clips
| Model No. | Material Grade | Wire Diameter (mm) | Toe Load (kN) | Hardness (HRC) | Fatigue Life (Cycles) | Complying Standards | Core Performance Advantage |
|---|---|---|---|---|---|---|---|
| E1606 | 60Si2MnA | 16 | 4.9-6.9 | 44-48 | ≥5,000,000 | DIN 17221, BS 970 | Balanced elasticity for conventional passenger lines |
| E1809 | 60Si2CrA | 18 | 7.4-8.8 | 44-48 | ≥5,000,000 | GB/T 1222, UIC 864 | High tensile strength for heavy-duty freight rails |
| E2007 | 60Si2CrVA | 20 | 10.8-13.7 | 45-49 | ≥6,000,000 | AREMA, ISO 683-1 | Superior creep resistance for continuously welded tracks |
| E1708 | 55Si2Mn | 17 | 6.2-7.5 | 43-47 | ≥4,500,000 | JIS E 1107 | Cost-effective with reliable fatigue resistance for regional lines |
| E1910 | 38Si7 | 19 | 8.1-9.3 | 42-46 | ≥4,800,000 | EN 13481-2 | High-elastic thin-gauge design for narrow-space installations |
Installation Procedures & Maintenance Specifications of Railway E Clips
| Model No. | Installation Tools | Installation Torque (N·m) | Post-Installation Gap Requirement (mm) | Routine Maintenance Interval | Key Maintenance Items | Maintenance Difficulty |
|---|---|---|---|---|---|---|
| E1606 | Manual clip pliers | 100-120 | 7-9 (between clip rear arch & sleeper shoulder) | 12 months | Buckle pressure test; visual defect check | Low (tool-free inspection) |
| E1809 | Pneumatic installation tool | 130-150 | 8-10 (between clip rear arch & sleeper shoulder) | 9 months | Buckle pressure test; insulator integrity check | Medium (special tool for pressure test) |
| E2007 | Hydraulic clamping tool | 140-160 | 6-8 (between clip rear arch & sleeper shoulder) | 6 months | Buckle pressure test; fatigue crack detection | Medium-High (non-destructive testing required) |
| E1708 | Universal installation pliers | 110-130 | 7-9 (between clip rear arch & sleeper shoulder) | 15 months | Visual inspection; gauge block position check | Low (simple on-site verification) |
| E1910 | Electric installation tool | 120-140 | 8-10 (between clip rear arch & sleeper shoulder) | 10 months | Buckle pressure test; surface corrosion check | Medium (basic testing equipment needed) |
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