Railway E1817 Clips

The E18 Railway Spring Clip is a boltless elastic fastener, a standardized model for China Railway. It uses a double-toed elastic structure to generate continuous clamping pressure, used to secure rails to concrete sleepers. It is suitable for mixed passenger and freight lines with speeds of 160-200 km/h.

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Description

Technical Parameters

Key Specifications

Parameter	Value
Model Code	"E" = Elastic, "18" = Design Series
Type	Double-toe symmetric design (boltless)
Material	60Si2MnA Spring Steel (GB/T 1222)
Clamping Force	5.2 kN ±10% (static test)
Fatigue Life	≥3 million load cycles (UIC 864)
Rail Compatibility	60 kg/m (CN Standard), UIC 60 (International)
Temperature Range	-40°C to +70°C (clamping force decay ≤15%)