Gabion boxes, rockfall nets, chain link fences, noise barriers — ISO/CE certified, factory-direct.
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Common questions about our wire mesh products, specifications, and ordering.
Highway W-beam guardrail, 4mm corrugated steel. Galvanized. Crash-rated per MASH TL-3. For median barriers and roadside safety. MOQ 100m, 7-15 day delivery.
Highway W-beam guardrail is the worldwide standard for roadside safety. The corrugated steel beam profile absorbs vehicle impact energy by deforming progressively — redirecting errant vehicles along the rail rather than allowing them to leave the roadway.
## How W-Beam Guardrail Works
1. **Vehicle Impact**: Errant vehicle strikes the rail at an angle (ideally 15-25 degrees) 2. **Beam Deformation**: Corrugated W-profile flattens and stretches, absorbing kinetic energy 3. **Post Yielding**: Steel posts bend at ground line, absorbing additional energy 4. **Redirection**: Vehicle is steered along the rail face, decelerating safely 5. **Stop**: Vehicle comes to rest parallel to rail, redirected to roadway
## Key Advantages
- **Proven Safety**: Decades of crash testing (MASH TL-3: 2000kg vehicle at 100 km/h, 25-degree angle). Saves thousands of lives annually worldwide. - **Energy Absorption**: W-beam profile provides 3x energy absorption of flat steel sheet of same thickness. - **Corrosion Resistance**: Hot-dipped galvanized (>=270g/m2) — 30+ year service life in all climates. - **Modular Repair**: Damaged sections replaced in 30 minutes. Posts, blocks, and rail are interchangeable. - **Cost-Effective**: Lowest cost per meter of any crash-tested barrier system. - **Universal Compatibility**: Works with all post types (C-post, U-post, sigma post, round post) and blockout types.
## Technical Specifications
| Parameter | Value | |-----------|-------| | Beam Type | W-beam (2-wave) or Thrie-beam (3-wave) | | Beam Thickness | 4.0mm (standard) / 3.0mm (light) | | Material | Q345 High Strength Steel | | Beam Width | 310mm (W-beam) / 506mm (Thrie-beam) | | Beam Length | 4.0m (standard section) | | Post Type | C-post / U-post / Sigma-post / Round | | Post Spacing | 2.0m (standard) / 1.0m (high-risk) | | Blockout | 150x190x... timber or recycled plastic | | Zinc Coating | >=270g/m2 (beam) / >=270g/m2 (post) | | Crash Rating | MASH TL-3 (W-beam) / TL-4 (Thrie-beam) | | Standard | AASHTO M180, EN 1317, GB/T 31439 |
## W-Beam vs Thrie-Beam
| Feature | W-Beam (2-wave) | Thrie-Beam (3-wave) | |---------|----------------|-------------------| | Height | 310mm | 506mm | | Crash Level | TL-3 (passenger cars) | TL-4 (trucks/buses) | | Cost | Lower | ~40% higher | | Use | Standard highways | High-risk sections, truck routes |
## Applications
- **Highway Medians**: Separating opposing traffic lanes - **Roadside Safety**: Preventing run-off-road collisions - **Bridge Approaches**: Transition from roadside to bridge railing - **Exit Ramps**: Guiding vehicles at interchanges - **Construction Zones**: Temporary traffic barriers - **Parking Lots**: Perimeter protection for buildings - **Industrial Roads**: Mine and quarry haul road safety
## Packaging & Delivery
- **Packaging**: Beams bundled 20-50 per bundle. Posts palletized. Blocks in cartons. - **Container Loading**: 20ft GP ~ 500-800 beams; 40ft HQ ~ 1000-1600 beams - **Lead Time**: 7-15 days standard; 15-25 days Thrie-beam - **Shipping**: FOB Tianjin / CIF / DDP
Highway W-beam guardrail, 4mm corrugated steel. Galvanized. Crash-rated per MASH TL-3. For median barriers and roadside safety. MOQ 100m, 7-15 day delivery.
| Beam Type | W-beam (2-wave) or Thrie-beam (3-wave) |
|---|---|
| Beam Thickness | 4.0mm standard |
| Material | Q345 High Strength Steel |
| Beam Width | 310mm (W) / 506mm (Thrie) |
| Beam Length | 4.0m |
| Post Type | C/U/Sigma/Round |
| Post Spacing | 2.0m standard / 1.0m high-risk |
| Zinc Coating | >=270g/m2 (beam + post) |
| Crash Rating | MASH TL-3 (W) / TL-4 (Thrie) |
| Standard | AASHTO M180, EN 1317, GB/T 31439 |
| MOQ | 100 pieces |
FOB Tianjin, per meter
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