1. Three-Beam also named three waves guardrail2. Material：High quality and low carbon steel3. Material Model: Q235B (S235JR / ASTM A283M) or Q345B (S355JR / ASTM A529M 1994) 4. Specification: 4320(3320-4320)*310*85*3(2.5-4.0) mm, available in different sizes5. Technique: cold rolled6. Finished: Hot dipped galvanized 7. Zinc coating thickness:  550-650 g/m2 (75-85µm)8. Other special specification as per client's requirement or drawings. 9. Certificate: ISO9001:200810. Standard: EN1317; AASHTO M180, Chinese standard11. Feature: Easy to clean. Strong plasticity .Oxidation resistance.The normal size.specificationmaterialsthicknesslengthwavewidthwaveheightprotective finishstandard4128*506*83(85)mmQ235(S235JR) or Q345(S345JR)3/4mm4128mm506mm83(85)mmhot dipped galvanization zinc plastic sprayed coating weight 550-1220g/m2China EUUSAAS/NZSISOCEetc.4320*506*83(85)mmQ235(S235JR) or Q345(S345JR)3/4mm4320mm506mm83(85)mmThree-beam guardrail are essentially to w-beam shaped structures side by side to form a large single structure. When compare to w-beam guardrails, the three-beam safety barrier design is stronger and can withstand larger impact forces.We use only the finest quality raw materials to construct these highway guardrail barriers. They undergo surface treatments (zinc or PVC coating) to increase corrosion resistance.Three-beam guardrails are often used as roadside barriers for transition to high speed roads.Three-beam guardrails are built in different shapes and sizes depending on the location of their installation. We produce straight and curved three-beam guardrails.

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