Description
Technical Parameters
Customization Adaptation & Non-Standard Solutions
| Model No. | Customization Type | Target Non-Standard Requirement | Modified Structural Features | Custom Material Adjustment | Lead Time for Customization (Weeks) | Minimum Order Quantity (MOQ, pcs) | Compatibility with Non-Standard Tracks | Core Customization Advantage |
|---|---|---|---|---|---|---|---|---|
| E-CUS16 | Gauge Customization | Narrow Gauge (1000mm) | Shortened shank length; Adjusted clip opening | 60Si2MnA (reduced elastic modulus) | 4-6 | 5,000 | Meter-gauge regional railways | Precise gauge matching for narrow-track projects |
| E-CUS18 | Load-Bearing Customization | Ultra-Heavy Axle Load (40t) | Thickened stress-bearing area; Reinforced head | 42CrMo (high-tensile alloy) | 6-8 | 3,000 | Mine/port heavy-haul non-standard rails | Enhanced load capacity for extreme axle loads |
| E-CUS20 | Space-Limited Customization | Installation Clearance ≤60mm | Low-profile design; Compact clip curvature | 38Si7 (high-elastic thin-gauge alloy) | 5-7 | 4,000 | Urban tramways/underground narrow-space tracks | Small footprint for limited-installation scenarios |
| E-CUS22 | Corrosion-Resistant Customization | High-Sulfur Environment | Sealed structure; Double-layer ceramic coating | 60Si2CrA + sulfur-resistant alloying | 7-9 | 2,500 | Chemical industrial railway lines | Sulfuric acid/sulfide corrosion resistance |
| E-CUS25 | Vibration-Damping Customization | Low-Vibration Requirement (≤40mm/s²) | Integrated rubber damping layer; Flexible shank design | 60Si2MnA + EPDM composite | 5-8 | 3,500 | Precision instrument transportation railways | Ultra-low vibration for sensitive cargo transport |
Material Fatigue Crack Propagation Characteristics
| Model No. | Base Material Grade | Initial Crack Size (μm) | Crack Propagation Rate (mm/cycle, ×10⁻⁶) | Fatigue Crack Threshold (ΔKth, MPa·m¹/²) | Critical Crack Length (mm) | Crack Arrest Design Feature | Fatigue Life with Initial Crack (Cycles) | Core Anti-Crack Advantage |
|---|---|---|---|---|---|---|---|---|
| E-CRK16 | 60Si2MnA | 50-80 | 2.5-3.2 | 8.5-9.2 | 3.5 | No specific design (standard structure) | ≥1,200,000 | Basic crack resistance for general use |
| E-CRK18 | 55Si2Mn | 40-70 | 1.8-2.4 | 9.3-10.0 | 4.2 | Micro-groove at crack-prone areas | ≥1,800,000 | Enhanced crack arrest for freight lines |
| E-CRK20 | 60Si2CrA | 30-60 | 1.2-1.8 | 10.1-10.8 | 4.8 | Grain refinement + stress-relief grooves | ≥2,500,000 | Superior crack propagation resistance for high-speed rail |
| E-CRK22 | 38Si7 | 45-75 | 2.2-2.8 | 8.8-9.5 | 3.8 | Surface shot peening (residual compressive stress) | ≥1,500,000 | Cost-effective anti-crack treatment for regional lines |
| E-CRK25 | 42CrMo | 25-50 | 0.8-1.3 | 11.0-11.8 | 5.5 | Composite coating + crack-arresting ribs | ≥3,000,000 | Extreme anti-crack performance for critical track sections |
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