Thrie Guardrail Beam
Galvanized steel guardrail beams are the most common type of crash barrier and are designed to keep vehicles from running off the road in dangerous areas. Compared with the W beam, the thrie-beam (three-beam) guardrail has better anti-collision performance and is widely used in dangerous roads such as bridges.
Features:
1. Hot dip galvanized.
2. Long service life.
3. Thickness and length can be customized.
4. Zinc coated thickness can be customized.
5. Anti-collision effect is better than W Beam
6. Steel Grade Q235B (ASTM A283M) or Q345 (ASTM A529M) is available.
Specifications:
Standard Size | 4130*506*81*3.5mm, 4130*506*81*3mm, 3200*506*81*4mm, 4320*506*85*4mm or customized |
Material | Steel Grade Q235B (equivalent to S235JR according to DIN EN 10025 and Gr. D according to ASTM A283M) or Q345 (S355JR / ASTM A529M 1994). |
Thickness | 3~4 mm or customized |
Surface Treatment | Hot dip galvanized |
Zinc coating | 550g/m2 (80µ), 610g/m2 (85µ), 1100g/m2 (160µ), 1200g/m2 (170µ) or customized |
Standards | JT/T 281-1995(China), AASHTO M180-79 etc. |
Application | bridge and other dangerous area |