Description
Technical Parameters
Thermal Stability & Dimensional Compensation Characteristics
| Model No. | Thermal Expansion Coefficient (10⁻⁶/℃) | Operating Temp Range (℃) | Dimensional Change at Extreme Temp (mm) | Thermal Fatigue Resistance (Cycles) | Temperature Adaptation Advantage | Gauge Retention at Temp Extremes | Material Heat Treatment |
|---|---|---|---|---|---|---|---|
| E-T1609 | 11.8 | -40 ~ +80 | ≤0.8 (at -40℃), ≤0.6 (at +80℃) | ≥2,500,000 | Stable elasticity across wide temp range | ±0.5mm | Quenched-tempered + stress relief |
| E-T1809 | 11.5 | -45 ~ +85 | ≤0.7 (at -45℃), ≤0.5 (at +85℃) | ≥3,000,000 | Low thermal deformation for heavy-load lines | ±0.4mm | Vacuum heat treatment |
| E-T2009 | 11.2 | -50 ~ +90 | ≤0.6 (at -50℃), ≤0.4 (at +90℃) | ≥3,500,000 | Extreme temp resistance for high-speed rail | ±0.3mm | Nitriding + tempering |
| E-T2055 | 11.6 | -40 ~ +85 | ≤0.7 (at -40℃), ≤0.5 (at +85℃) | ≥3,200,000 | Balanced temp adaptability for mixed traffic | ±0.4mm | Controlled atmosphere heat treatment |
| E-T1813 | 11.7 | -35 ~ +75 | ≤0.9 (at -35℃), ≤0.6 (at +75℃) | ≥2,800,000 | Cost-effective thermal stability for regional lines | ±0.6mm | Conventional quenched-tempered |
System Matching Components & Functional Adaptation
| Model No. | Matching Fastener Components | Component Material & Function | Assembly Compatibility | Functional Synergy Advantage | Track Circuit Compatibility | Auxiliary Component Service Life (Years) | Installation Compatibility |
|---|---|---|---|---|---|---|---|
| E-C1609 | Rail shoulder, EVA rail pad, nylon insulator | Rail shoulder (ductile iron: support); Rail pad (EVA: vibration buffer); Insulator (nylon 66: signal insulation) | Wooden/concrete sleepers | Buffers vibration + ensures insulation | Excellent (no signal interference) | 8-10 (rail pad), 12-15 (insulator) | Pandrol DRS system |
| E-C1809 | Reinforced rail shoulder, rubber pad, composite insulator | Rail shoulder (cast steel: heavy-load support); Rail pad (rubber: shock absorption); Insulator (composite: corrosion resistance) | Concrete sleepers | Enhances load-bearing + reduces noise | Good | 10-12 (rail pad), 15-18 (insulator) | Pandrol SRS system |
| E-C2009 | High-strength rail shoulder, silicone pad, reinforced insulator | Rail shoulder (alloy steel: precision support); Rail pad (silicone: high temp resistance); Insulator (reinforced nylon: signal stability) | Ballastless track | Maintains precision + withstands high speed | Superior | 12-15 (rail pad), 18-20 (insulator) | High-speed fastener system |
| E-C2055 | Quick-fit rail shoulder, damping pad, anti-interference insulator | Rail shoulder (forged steel: quick assembly); Rail pad (damping rubber: noise reduction); Insulator (special polymer: anti-signal drift) | Turnout sections | Facilitates rapid installation + multi-directional adjustment | Excellent | 9-11 (rail pad), 14-16 (insulator) | Turnout fastener system |
| E-C1817 | Standard rail shoulder, weather-resistant pad, basic insulator | Rail shoulder (cast iron: cost-effective); Rail pad (weather-resistant EPDM: long service life); Insulator (nylon: basic insulation) | Conventional mainlines | Balances performance + cost | Good | 7-9 (rail pad), 10-12 (insulator) | AREMA standard system |
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