1. Round post2. 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,Website:http://www.cnguardrail.com, available in different sizes5. Technique: cold rolled6. Finished: Hot dipped galvanized�7. Zinc coating thickness: 550-650 g/m2 (75-85�m)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.\Guardrail post is used to fix the guardrail on the roadside.Guardrail posts determine the impact performance of a roadside barrier system. We produce guardrails and highway safety components that are manufactured to the highest standards. Our steel guardrail posts are constructed from high quality materials, such as Q235B. Q345B steel.Available types of guardrail postWe provide our guardrail posts with flange plates and without. Flanged steel posts are recommended for installation in concrete roads. Non flanged posts are intended for installation in soft soil.