Highway Guardrails 1.hot dip galvanized, 600gr/m2 2.w-beam highway safety barriers 3.Q235 material 4, Factory Highway Safety Barriers / Crash Barrier / Guardrail Barrier:Specification (general): 4318X312X82X3 mm, available in different sizesMaterial: Q235 hot rollingProfile: W-beam,Post: C channel post, I Post, Sigma post, Cylinder post and Z post, etc.Accessories: spacer, blockout, separator, ...