Railway Dog Spikes - Scenario-Specific Customization & Track Compatibility
|
Model Code |
Key Dimensions (mm) |
Customized Design Features |
Compatible Rail (kg/m) |
|
DS-HAUL20 |
Shank Diameter:20; Length:160; Head Width:38 |
Thickened shank (6mm wall); Wear-resistant head (hardened steel) |
43–60 |
|
DS-MINE22 |
Shank Diameter:22; Length:180; Head Width:42 |
Hexagonal shank (anti-rotation); Acid-resistant coating (PTFE) |
30–43 |
|
DS-COAST17 |
Shank Diameter:17; Length:130; Head Width:34 |
Double-layer galvanizing (≥100μm); Sealed head-shank junction |
15–22 |
Railway Dog Spikes - Material Process & Quality Acceptance Standards
|
Material Grade |
Surface Treatment |
Quality Inspection Items |
Inspection Standard |
Acceptance Criterion |
|
Q235 Carbon Steel |
Hot-Dip Galvanizing (≥65μm) |
1. Coating Thickness; 2. Tensile Strength |
GB/T 13912; GB/T 228.1 |
1. Coating≥65μm; 2. Tensile Strength≥375MPa |
|
SS400 (JIS) |
Black Oxide + Oil Coating |
1. Dimensional Tolerance; 2. Surface Defects |
JIS G3101; GB/T 1958 |
1. Dimension Deviation±0.5mm; 2. No cracks/pits |
|
304 Stainless Steel |
Electropolishing |
1. Corrosion Resistance; 2. Chemical Composition |
GB/T 1220; ISO 9227 |
1. Salt Spray≥1000h (no red rust); 2. Cr content≥18wt% |
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