Description
Technical Parameters
Mechanical Properties & Quality Inspection Standards
| Model | Shank Type | Diameter (mm) | Length (mm) | Material Grade | Strength Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Cold Bending Performance (90°) | Quality Inspection Items |
|---|---|---|---|---|---|---|---|---|---|---|
| DS-S16x150 | Square | 16 ± 0.2 | 150 ± 2 | Q235B | 4.6 | ≥400 | ≥240 | ≥22 | No crack | Dimensional check, hardness test, coating adhesion |
| DS-R22x170 | Round | 22 ± 0.3 | 170 ± 3 | 35CrMo | 8.8 | ≥800 | ≥640 | ≥12 | No crack | Dimensional check, tensile test, ultrasonic flaw detection |
| DS-S19x160 | Square | 19 ± 0.2 | 160 ± 2 | 45# Steel | 5.6 | ≥500 | ≥300 | ≥20 | No crack | Dimensional check, shear test, corrosion resistance |
| DS-R20x180 | Round | 20 ± 0.3 | 180 ± 3 | 40Cr | 10.9 | ≥1000 | ≥900 | ≥9 | No crack | Dimensional check, fatigue test, impact test |
| DS-S24x200 | Square | 24 ± 0.4 | 200 ± 3 | Q355B | 6.8 | ≥600 | ≥480 | ≥18 | No crack | Dimensional check, bending test, surface defect inspection |
Regional Adaptation & Safety Compliance Specifications
| Model | Applicable Region | Compliance Standards | Matching Rail Weight (kg/m) | Sleeper Type | Installation Safety Requirements | Surface Treatment Corrosion Resistance | Packaging Safety Standard | Service Life (Years) | Key Safety Risks & Prevention |
|---|---|---|---|---|---|---|---|---|---|
| DS-S16x150 | Australia | AS 1085.8:2024 | 50-60 | Wooden/Concrete | Wear gloves during installation; avoid over-hammering | Hot-dip galvanized (1000h salt spray no rust) | Fumigation-free pallet (≤25kg/bag) | ≥8 | Risk: Tip damage → Prevention: Use calibrated hammer |
| DS-R22x170 | North America | AREMA | 75-80 | Concrete | Check underground utilities before installation; wear eye protection | Dacromet coating (1500h salt spray no rust) | Steel keg packaging | ≥12 | Risk: Corrosion failure → Prevention: Regular anti-rust maintenance |
| DS-S19x160 | Europe | DIN 17221, BS 970 | 60-75 | Composite/Concrete | Ensure spike perpendicular to sleeper; no oblique installation | Zinc-plated (800h salt spray no rust) | Woven bag + pallet | ≥10 | Risk: Loosening → Prevention: Periodic torque inspection |
| DS-R20x180 | Southeast Asia | UIC, GB/T 4357 | 50-75 | Wooden/Composite | Keep away from chemicals; store in dry environment | Black oxide + oil (600h salt spray no rust) | Plastic keg packaging | ≥15 | Risk: Fatigue fracture → Prevention: Avoid overload operation |
| DS-S24x200 | Russia | GOST 1050 | 80-90 | Steel/Concrete | Use hydraulic installation tool; avoid manual hammering | Passivated (1200h salt spray no rust) | Fumigation-free crate | ≥18 | Risk: Shear failure → Prevention: Match load capacity with track type |
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