Description
Technical Parameters
Basic Specifications & Material Characteristics of Railway Dog Spikes
| Model Specification (Inch/Metric) | Material Grade | Surface Treatment Options | Shank Type | Head Design | Unit Weight (kg/pc) | Compliance Standards | Core Material Advantages |
|---|---|---|---|---|---|---|---|
| 5/8 × 6" (15.88mm × 152.4mm) | Q235, A3, 45# | Hot-dip galvanized (HDG), Zinc-plated | Square | Offset dog-eared | 0.52 | GB/T 700, DIN 17221 | Q235: Good plasticity & weldability; 45#: High strength |
| 9/16 × 5-1/2" (14.29mm × 139.7mm) | Q235, 55# | Black oxide + oil, Anti-corrosion paint | Square | Offset dog-eared | 0.46 | AREMA, BS 970 | 55#: Enhanced wear resistance for heavy-duty use |
| 3/8 × 3-1/2" (9.53mm × 88.9mm) | Q195, Q235 | Plain (oiled), Color paint | Square | Offset dog-eared | 0.21 | TB/T 564, GOST | Q195: Low cost, suitable for light rail tracks |
| 1/2 × 3-1/2" (12.7mm × 88.9mm) | 45#, 40Cr | Dacromet coating, Sherardizing | Square | Offset dog-eared | 0.28 | UIC, ASTM A66-87 | 40Cr: Excellent tensile strength for high-load scenes |
| M20 × 120mm (Metric) | Q235, 35# | HDG (avg. thickness ≥65μm) | Square | Offset dog-eared | 0.41 | GB/T 196, EN 13481 | 35#: Balanced toughness & processability |
Performance Testing & Application Adaptation of Railway Dog Spikes
| Model Specification | Tensile Strength (MPa) | Shear Strength (MPa) | Rust Resistance (Salt Spray Test) | Installation Tool | Key Application Scenarios | Target Regional Markets | Installation Notes |
|---|---|---|---|---|---|---|---|
| 5/8 × 6" | ≥400 (Q235), ≥600 (45#) | ≥190 (Q235), ≥300 (45#) | 1000h (HDG), 800h (Zinc-plated) | Sledgehammer, Spike maul | Wooden sleeper mainline railways | Global, especially Asia | Pre-drill pilot holes (3mm smaller than shank) to avoid splitting sleepers |
| 9/16 × 5-1/2" | ≥400 (Q235), ≥650 (55#) | ≥190 (Q235), ≥320 (55#) | 1200h (Dacromet), 900h (Paint) | Spike maul | Heavy-haul freight wooden sleeper tracks | North America, Europe | Apply anti-rust oil post-installation in humid areas |
| 3/8 × 3-1/2" | ≥375 (Q195), ≥400 (Q235) | ≥180 (Q195), ≥190 (Q235) | 600h (Oiled), 700h (Color paint) | Manual hammer | Urban light rail, Tourist railway lines | Southeast Asia, Africa | Suitable for low axle load (≤150kN) tracks |
| 1/2 × 3-1/2" | ≥600 (45#), ≥835 (40Cr) | ≥300 (45#), ≥415 (40Cr) | 1500h (Sherardizing), 1200h (HDG) | Hydraulic spike driver | Mining railways, Industrial sidings | Australia, South America | Withstands vibration from heavy mining vehicles |
| M20 × 120mm | ≥400 (Q235), ≥500 (35#) | ≥190 (Q235), ≥235 (35#) | 1000h (HDG), 800h (Zinc-plated) | Sledgehammer | Rural railways, Branch lines | China, Russia | Avoid over-driving to prevent head deformation |
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