Description
Technical Parameters
Core Technical Specifications & Material Mechanical Properties
| Model | Wire Diameter (mm) | Material Grade | Hardness (HRC) | Clamping Force (kN) | Fatigue Life (Cycles) | Unit Weight (kg/pc) | Clip Length (mm) | Surface Treatment Options | Compliance Standards |
|---|---|---|---|---|---|---|---|---|---|
| SKL 1 | 13 ± 0.1 | 60Si2Mn | 44-48 | ≥9.5 | ≥5,000,000 | 0.48 | 133 ± 2.3 | Oiled, Zinc-plated, Black oxide | DIN 17221, GB/T 1222 |
| SKL 3 | 13 ± 0.1 | 60Si2CrA | 44-48 | ≥9.5 | ≥5,000,000 | 0.48 | 120 ± 2.0 | Hot-dip galvanized, Dacromet | DIN 17221, EN 13481-2 |
| SKL 12 | 13 ± 0.1 | 38Si7 | 42-47 | 8.0-12.0 | ≥5,000,000 | 0.53 | 115 ± 2.0 | Oiled, Color painting | DIN 17221, AREMA |
| SKL 14 | 13 ± 0.1 | 60Si2Cr | 42-47 | ≥10.0 (per clip) | ≥5,000,000 | 0.508 | 155 ± 2.0 | Hot-dip galvanized, Dacromet | EN 13481-2, DIN 17221 |
| SKL 15 | 14 ± 0.15 | 60Si2MnA | 44-48 | ≥12.0 | ≥5,000,000 | 0.62 | 160 ± 2.5 | Passivated, Color painting | GB/T 1222, EN 13481-2 |
System Compatibility & Application Scenarios
| Model | Applicable Rail Type | Sleeper Material Compatibility | Key Application Fields | Installation Tool | Matching Components | Maximum Allowable Axle Weight (kN) | Core Advantages | Noise/Vibration Damping |
|---|---|---|---|---|---|---|---|---|
| SKL 1 | UIC 54, 50 kg/m | Concrete, Wooden | Conventional mainline railways | Special clamping pliers | Gauge block (PA66), HDPE rail pad | 220 | High versatility, easy maintenance, interchangeable parts | Moderate |
| SKL 3 | UIC 60, 60 kg/m | Concrete | High-speed railways, Heavy-haul lines | Hydraulic installation tool | Insulator (glass fiber reinforced nylon), rubber pad | 260 | High clamping force, resistance to dynamic loads | Good |
| SKL 12 | Light rail, Tram rails | Concrete, Composite | Urban transit systems, Tram lines | Manual clamping tool | Lightweight gauge block, EVA pad | 180 | Light-duty design, quick installation, low labor cost | Excellent |
| SKL 14 | UIC 54, UIC 60, 50-60 kg/m | Concrete | Ballasted tracks, Electrified railways | Torque-controlled wrench | Embedded casing, rail insulator (PA66) | 260 | W-shaped structure for anti-loosening, tilting protection | Excellent |
| SKL 15 | Crane rail (R65), 75 kg/m | Steel, Concrete | Industrial railways, Port yards | Hydraulic clamping tool | Heavy-duty gauge block, rubber pad | 300 | Heavy-duty design, corrosion resistance for harsh environments | Moderate |
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