Description
Technical Parameters
Railway Dog Spikes - Model & Technical Specifications
| Model | Total Length | Shank Diameter | Head Size | Material | Hardness | Tensile Strength | Surface Treatment | Weight |
|---|---|---|---|---|---|---|---|---|
| DS-18x150 | 150mm | 18mm | 38×22mm (W×H) | Q235 Carbon Steel | ≤200 HB | ≥375 MPa | Hot-dip galvanizing (80μm) | 0.32kg/pc |
| DS-20x165 | 165mm | 20mm | 42×24mm (W×H) | 45# Carbon Steel | 200–230 HB | ≥570 MPa | Electro-galvanizing (20μm) | 0.45kg/pc |
| DS-22x180 | 180mm | 22mm | 45×26mm (W×H) | Q355B Low-Alloy Steel | 210–240 HB | ≥510 MPa | Dacromet coating (12μm) | 0.58kg/pc |
| DS-16x140 | 140mm | 16mm | 35×20mm (W×H) | Q235 Carbon Steel | ≤200 HB | ≥375 MPa | Black oxide + oiling | 0.25kg/pc |
| DS-24x200 | 200mm | 24mm | 48×28mm (W×H) | 40Cr Alloy Steel | 240–270 HB | ≥800 MPa | Epoxy powder coating (50μm) | 0.72kg/pc |
Railway Dog Spikes - Application Compatibility & Installation Requirements
| Dog Spike Model | Compatible Rail Type | Matching Tie Type | Installation Tool | Driving Torque | Pull-Out Resistance | Inspection Criteria |
|---|---|---|---|---|---|---|
| DS-18x150 | 30kg/m light rail | Wooden/concrete ties | Manual spike driver | 80–100 N·m | ≥60 kN | No bending; Head intact |
| DS-20x165 | 43kg/m standard rail | Concrete ties | Pneumatic spike driver | 100–120 N·m | ≥80 kN | Shank straightness ≤1mm/m |
| DS-22x180 | 50kg/m heavy rail | Heavy-duty concrete ties | Hydraulic spike driver | 120–140 N·m | ≥100 kN | Surface coating no peeling |
| DS-16x140 | 24kg/m tram rail | Wooden ties | Manual spike driver | 70–90 N·m | ≥50 kN | No cracks on shank |
| DS-24x200 | 60kg/m heavy-haul rail | Steel-concrete composite ties | Electric spike driver | 140–160 N·m | ≥120 kN | Pull-out resistance ≥120 kN |
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