Description
Technical Parameters
Basic Parameters
| Parameter | Specification | Test Standard |
|---|---|---|
| Model Definition | E18 ("E" for Elastic, "18" indicates 180mm design length) | TB/T 3395-2015 |
| Working Length | 180±0.5mm | GB/T 28268-2012 |
| Material | 60Si2MnA Spring Steel | GB/T 1222-2016 |
| Hardness (HRC) | 42-47 | ISO 6508-1:2016 |
| Initial Clamping Force | ≥12.5 kN (after installation) | TB/T 3396.2-2020 |
| Permanent Deformation | ≤1.2mm (after 3 million fatigue cycles) | EN 13146-5:2020 |
| Fatigue Life | ≥3 million cycles (25Hz, ±7.5kN load) | UIC 864:2018 |

International Comparison
| Parameter | China E18 | Germany SKL15 | Japan HRC18 |
|---|---|---|---|
| Min. Clamping Force | 12.5 kN | 14.0 kN | 11.8 kN |
| Weight | 2.8 kg | 3.1 kg | 2.6 kg |
| Corrosion Life | 15 years | 20 years | 12 years |
Application of Rail Clips



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