Description
Technical Parameters
Microstructure & Material Modification
| Model No. | Core Material | Microstructural Composition | Grain Refinement Technology | Modification Element Addition | Microhardness (HV) | Tensile Strength (MPa) | Fatigue Life (Cycles) | Core Modification Advantage |
|---|---|---|---|---|---|---|---|---|
| E16-MG | 60Si2MnA | Tempered Troostite + Ferrite | Equal Channel Angular Pressing (ECAP) | V (0.08-0.12%) | 450-500 | ≥1200 | ≥8,000,000 | Fine grains improve toughness & fatigue resistance |
| E18-CR | 60Si2CrA | Tempered Troostite + Chromium Carbides | Vacuum Arc Remelting (VAR) | Cr (0.90-1.10%) + Mo (0.15-0.25%) | 480-530 | ≥1350 | ≥10,000,000 | Chromium carbides enhance wear & corrosion resistance |
| E20-B | 55Si2Mn | Tempered Troostite + Boride Precipitates | Boronizing + Quenching | B (0.001-0.003%) | 420-470 | ≥1100 | ≥7,500,000 | Boride precipitates reduce grain growth at high temperature |
| E22-VA | 60Si2CrVA | Tempered Troostite + Vanadium Nitrides | Nitriding + Tempering | V (0.15-0.25%) + N (0.02-0.05%) | 500-550 | ≥1400 | ≥12,000,000 | Vanadium nitrides improve high-temperature stability |
| E17-TI | 38Si7 | Tempered Troostite + Titanium Carbides | Titanium Alloying + Cold Rolling | Ti (0.05-0.08%) | 400-450 | ≥1000 | ≥6,500,000 | Titanium carbides enhance surface hardness & wear resistance |
Compatible Fastener Systems & Customized Functions
| Model No. | Matched Fastener System | Customized Functional Design | Adaptable Rail Type | Gauge Adjustment Precision (mm) | Vibration Damping Coefficient (mm/N) | Special Application Requirement | Installation Customization | Core Customization Advantage |
|---|---|---|---|---|---|---|---|---|
| E16-MG | Pandrol Fastclip System | Anti-loosening Limb Design | Light Rail (24-30kg/m) | ±0.5 | 0.008-0.012 | Low noise for urban areas | Tool-free quick installation | Customized limb structure prevents loosening in high-frequency vibration |
| E18-CR | Vossloh W14 Fastener System | High-Stiffness Clamping Design | Heavy-Haul Rail (60-75kg/m) | ±0.3 | 0.005-0.009 | High load-bearing for freight transport | Hydraulic torque-controlled installation | Stiff clamping design resists rail creep under heavy axle load |
| E20-B | KPO Fastener System | Insulated Limb Coating | Electrified High-Speed Rail (60N) | ±0.4 | 0.007-0.011 | Electrical insulation for track circuits | Insulation-compatible tools | Coated limbs avoid signal interference in electrified lines |
| E22-VA | SKL Fastener System | Temperature-Compensating Structure | High-Altitude Railways | ±0.2 | 0.006-0.010 | Low-temperature resistance (-45℃) | Precision-calibrated installation | Temperature-compensating design reduces clamping force decay |
| E17-TI | Nabla Fastener System | Wear-Resistant Contact Surface | Mountain Railway (43-50kg/m) | ±0.6 | 0.009-0.013 | Abrasion resistance for curved tracks | Universal tool adaptation | Hardened contact surface extends service life on curved sections |
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