Thrie-Beam Guardrail is three-wave-shaped guardrail with stronger structure and higher impact resistance(better anti-collision performance) compared with W beam guardrail. And it’s widely used in highway and other dangerous road such as bridge.
Features:
- Anti-collision effect is better than W Beam
- Great corrosion resistance.
- Long service life.
- Easier Installation
- Both Straight and Pre-curved W-Beam Guardrail can be provided.
- Length and post-hole spacingcan be customized as your request.
- Steel Grade Q235B (ASTM A283M) or Q345 (ASTM A529M) is available.
Specification:
| Standard Size | 4130*506*81*4.0mm, 4320*506*85*4.0mm or as your design
Length mentioned in above refers to overall length, effection length will be 3810mm and 4000mm. |
| Material | Steel Grade Q235B (equivalent to S235JR and ASTM A283M Gr. D) or Q345 (S355JR / ASTM A529M 1994). |
| Surface Treatment | Hot dip galvanized or powder coated |
| Zinc coating | 550g/m2, 600g/m2, 1100g/m2 or customized |
| Standards | JT/T 281-1995(China), AASHTO M180-79 ,EN1317 etc. |
| Application | Highway, bridge and other dangerous area |
