Name: China Customized SKL Clips For Railways Manufacturers Suppliers Factory - Free Sample - Gnee Steel
Brand: GNEE
SKU: 286368811

SKL Clips For Railways

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

Tribological Wear Characteristics & Contact Interface Optimization

Model No.	Coefficient of Friction (Dry/Wet)	Wear Rate (mm³/N·m)	Contact Surface Hardness (HV)	Anti-Galling Coating Type	Interface Pressure Distribution (MPa)	Wear Compensation Design	Core Tribological Advantage
SKL1-TRI	0.30/0.26	≤9.2×10⁻⁶	370-410	Zinc Plating	280-320	Elastic Deformation Buffer	Cost-effective wear resistance for local lines
SKL3-TRI	0.33/0.29	≤7.8×10⁻⁶	390-430	Dacromet + MoS₂	300-340	Modular Wear Pad	Reduces galling in urban rail start-stop cycles
SKL12-TRI	0.36/0.31	≤6.5×10⁻⁶	410-450	DLC Coating	320-360	Precision Contact Geometry	Minimizes high-speed rail abrasive wear
SKL14-TRI	0.34/0.30	≤7.1×10⁻⁶	400-440	TiN Coating	310-350	Reinforced Contact Zone	Resists impact wear for heavy-haul axle loads
SKL15-TRI	0.38/0.33	≤5.8×10⁻⁶	420-460	WC-Co Composite Coating	330-370	Integrated Wear Sensor	Ultra-low wear for ballastless track precision

Environmental Aging Resistance & Long-Term Performance Attenuation

Model No.	UV Aging Resistance (1000h)	Humidity Aging (95% RH, 50℃, 2000h)	Thermal Aging Attenuation Rate (%)	Ozone Resistance (50pphm, 1000h)	Long-Term Performance Retention (15 Years, %)	Aging Prevention Design	Core Aging Advantage
SKL1-AGE	No Visible Cracking	Clamping Force Retention ≥82%	≤8.5	No Degradation	≥75	Anti-UV Coating	Reliable for temperate indoor storage
SKL3-AGE	No Color Fading + No Cracking	Clamping Force Retention ≥85%	≤7.2	No Degradation	≥80	UV Stabilizer + Sealant	Urban rail outdoor aging resistance
SKL12-AGE	No Cracking + Minimal Chalking	Clamping Force Retention ≥88%	≤6.0	No Degradation	≥85	Anti-Aging Composite Coating	High-speed rail long-term outdoor stability
SKL14-AGE	No Cracking + No Chalking	Clamping Force Retention ≥86%	≤6.8	No Degradation	≥82	Heat-Resistant + Anti-Ozone Coating	Heavy-haul extreme temperature aging tolerance
SKL15-AGE	No Visible Degradation	Clamping Force Retention ≥90%	≤5.2	No Degradation	≥90	Multi-Layer Aging Barrier	Ultra-longevity for ballastless track harsh environments

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SKL Clips for Railways

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