roads and bridges and prevent the pedestrians from the danger of walking across highways.
General Technical Information of W Beam / Two Wave Guardrail Barriers:
Base metl Material:steel: Q235 (S235JR / ASTM A283M) or Q345 (S355JR / ASTM A529M 1994)
Standard specification:380*85*2.75/3/4*4128/4320mm or 306*80*2.75/3/4*4300mm
Surface finishing:Hot dipped galvanized finish or powder coated.
Zinc coating thickness (double sides):550 g/m2 (40) / 1100 g/m2 (80) / 1200 g/m2 (85)
Relevant parts requi