Description
Technical Parameters
Railway Dog Spikes - Customized Models with Special Functions
| Model | Shank Diameter | Length | Material | Special Function | Customized Design | Operating Environment |
|---|---|---|---|---|---|---|
| DS-14×150-Anti-Rot | 14mm | 150mm | Q235 + Preservative Impregnation | Wood sleeper anti-rot protection | Shank with anti-rot coating | Humid forest railways (e.g., logging rails) |
| DS-16×160-Lock | 16mm | 160mm | 45# Steel | Anti-theft (built-in lock pin) | Head with lock hole | Urban light rail (wooden sleepers) |
| DS-12×140-Corrosion | 12mm | 140mm | 2Cr13 Stainless Steel | Coastal corrosion resistance | Double-layer Zn-Al coating | Coastal railways (salt spray environment) |
| DS-18×180-Heavy | 18mm | 180mm | 55# Steel | Heavy-load bearing | Thickened head (35mm×28mm) | Mine freight lines (wooden sleepers) |
| DS-10×120-Easy | 10mm | 120mm | Q215 | Quick installation | Tapered shank (1:10 taper) | Temporary construction rails |
Railway Dog Spikes - Full-Lifecycle Quality Inspection Standards
| Inspection Stage | Inspection Item | Test Method | Acceptance Criterion | Failure Threshold( |
|---|---|---|---|---|
| Incoming Material | Chemical Composition | XRF Spectrometer | C: 0.12–0.20% (Q235); Mn: 0.30–0.65% | C content >0.22% or <0.10% |
| Production Process | Head Flatness | Flatness Gauge | ≤0.15mm/m | >0.25mm/m |
| Finished Product | Pull-Out Force | Pull-Test Machine | ≥80 kN (DS-16×160) | ≤65 kN |
| In-Service Maintenance | Corrosion Degree | Visual Inspection + Thickness Gauge | Coating loss ≤10% | Coating loss >30% or red rust |
| Scrap Evaluation | Shank Deformation | Straightness Tester | Deformation ≤0.5mm/m | Deformation >1.0mm/m |
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