Name: China Customized SKL Rails Clips Fastening Manufacturers Suppliers Factory - Free Sample - Gnee Steel
Brand: GNEE
SKU: 286083291

SKL Rails Clips Fastening

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

Chemical Composition & Manufacturing Process Characteristics

Model	Core Material	Chemical Composition (wt.%)	Heat Treatment Process	Surface Treatment Technology	Manufacturing Precision (mm)	Tensile Strength (MPa)	Core Process Advantage
SKL1	60Si2MnA	C:0.56-0.64, Si:1.60-2.00, Mn:0.60-0.90, Cr≤0.35, P≤0.03, S≤0.03	Quenching + Tempering	Oiled/Oxide Black	±2.3 (Clip Length)	≥1300	Cost-effective for mass production
SKL3	60Si2MnA	C:0.56-0.64, Si:1.60-2.00, Mn:0.60-0.90, Cr≤0.35, P≤0.03, S≤0.03	Vacuum Quenching + Tempering	Zinc Plating	±2.0 (Clip Length)	≥1350	Enhanced toughness via vacuum processing
SKL12	60Si2CrA	C:0.56-0.64, Si:1.40-1.80, Mn:0.40-0.70, Cr:0.70-1.00, P≤0.03, S≤0.03	Carburizing + Quenching	Dacromet Coating	±2.5 (Clip Length)	≥1400	Chromium addition improves wear resistance
SKL14	55Si2Mn	C:0.52-0.60, Si:1.50-2.00, Mn:0.60-0.90, Cr≤0.35, P≤0.03, S≤0.03	Isothermal Quenching	Hot-Dip Galvanizing	±2.0 (Clip Length)	≥1380	Uniform microstructure for stable elasticity
SKL21	38Si7	C:0.35-0.42, Si:1.50-1.80, Mn:0.50-0.80, P≤0.03, S≤0.03	Nitriding + Tempering	Color Painting	±1.8 (Clip Length)	≥1250	Low-carbon content for better weldability

System Function Optimization & Adaptation Parameters

Model	Gauge Adjustment Precision (mm)	Anti-Vibration Design	Electrical Insulation Resistance (kΩ)	Compatible Non-Metallic Components	Curvature Adaptation (m)	Temperature Adaptability (℃)	Core Function Advantage
SKL1	±8	Basic Damping Structure	≥2	PA6 Nylon Sleeves, HDPE Pads	≥150	-40~60	Reliable basic fastening for straight tracks
SKL3	±10	Dual Elastic Elements	≥3	PA66 Insulators, Rubber Pads	≥200	-45~65	Noise reduction for urban light rail
SKL12	±6	High-Stiffness Curvature	≥5	Reinforced Nylon 66 Blocks, EVA Pads	≥400	-50~70	Optimized for high-speed dynamic stability
SKL14	±1	Anti-Flip Matching Surface	≥4	Composite Insulating Gaskets, Wear-Resistant Pads	≥150	-45~65	Precision adjustment for small-radius curves
SKL21	±10	Shock-Absorbing Limb Design	≥3	Polyamide Dowels, Silicone Pads	≥300	-35~75	Wide adaptation for ballastless track plates

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SKL Rails Clips Fastening

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