Name: E Clip For Railway Rail - China E Clip For Railway Rail Manufacturers Suppliers Factory - GNEE RAIL
Brand: GNEE
SKU: 286366930

E Clip For Railway Rail

Railway Clip is used to fasten the rails to the underlying base plate together with the concrete sleeper. A variety of different types of heavy-duty clips are used to fasten the rails to the underlying baseplate or Sleeper, one common being the E Clip, which is shaped like a stubby paperclip. Another one is the SKL Tension Clamp, which is also the most widely used type all over the world. Others like KPO Clamp and Nabla Clip, also used in different situations.

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Description

Technical Parameters

Vibration Fatigue Fracture Performance & Rail Corrugation Adaptation

Model No.	Vibration Fatigue Life (Million Cycles)	Critical Rail Corrugation Wavelength (mm)	Resonance Frequency Avoidance Range (Hz)	Fatigue Crack Initiation Site	Corrugation Amplitude Tolerance (mm)	Anti-Fatigue Design	Core Fatigue Advantage
E16-VF	≥3.2	25-80	150-250	Clip Limb Root	≤0.3	Shot Peening + Stress Relieving	Cost-effective for low-corrugation conventional lines
E18-VF	≥4.0	25-40 (High Risk)	200-300	Clip Toe & Root	≤0.25	Fillet Optimization + Damping Pad	Resists subway small-radius curve corrugation
E20-VF	≥5.5	40-120	250-350	Clip Root Fillet	≤0.2	Precision Forging + Modal Tuning	High-speed rail long-wavelength corrugation tolerance
E22-VF	≥4.8	30-60	180-280	Limb Transition Zone	≤0.22	Isothermal Quenching + Grain Refinement	Heavy-haul impact-corrugation fatigue resistance
E24-VF	≥6.2	25-120	300-400	Integrated Root-Casing Joint	≤0.18	Laser Peening + Anti-Resonance Design	Ultra-low fatigue risk for ballastless track corrugation

Non-Destructive Testing (NDT) Standards & Defect Acceptance Criteria

Model No.	NDT Method Combination	Applicable Standard	Surface Defect Acceptance Threshold	Internal Defect Detection Limit (mm)	Magnetic Particle Inspection Sensitivity (A/mm)	Defect Rejection Criteria	Core NDT Advantage
E16-NDT	Magnetic Particle + Visual Inspection	NF F00-090 + ISO 9934	≤0.2mm Crack; No Porosity >0.5mm	≥1.0	2.5-3.0	Crack >0.2mm; Porosity >0.5mm	Cost-effective for mass-production inspection
E18-NDT	Magnetic Particle (Wet Method) + Ultrasonic	NF F00-090 + ASTM E1444	≤0.15mm Crack; No Porosity >0.4mm	≥0.8	2.0-2.5	Crack >0.15mm; Internal Defect >0.8mm	High-sensitivity for urban rail safety-critical parts
E20-NDT	3D Magnetic Flux Leakage + Ultrasonic	EN 13260 + NF F00-090	≤0.1mm Crack; No Porosity >0.3mm	≥0.5	1.5-2.0	Crack >0.1mm; Layer Separation >0.5mm	Precision detection for high-speed rail components
E22-NDT	Magnetic Particle (Dry Method) + Eddy Current	AREMA + NF F00-090	≤0.12mm Crack; No Porosity >0.35mm	≥0.6	1.8-2.3	Crack >0.12mm; Fatigue Pitting >0.35mm	Heavy-haul impact-defect targeted detection
E24-NDT	Phased Array Ultrasonic + Magnetic Particle	UIC 512-3 + NF F00-090	≤0.08mm Crack; No Porosity >0.25mm	≥0.3	1.2-1.8	Any Detectable Internal Crack; Surface Crack >0.08mm	Ultra-precise for ballastless track defect prevention

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E Clip for Railway Rail

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