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| Material | Normal size | Thickness | Anti-corrosion | Zinc coating |
| Q235 Steel | 4120/4320x310x85x3mm | 2.5/2.6/2.75/3mm (3mm is regular) |
Hot Dipped Galvanized Surface treatment | 300-550-1100g/m2 |
Highway guardrail, considered as a passive barrier, widely installed to keep the vehicles running inside of road. When inevitable collision occurred, highway guardrails can effectively decelerate the speed of errant vehicles and redirect them back to the road by controlling the exit angles. Additionally, it also makes the highway apparent to avoid running animals to stray into the roads.