Q: Where are Q345 I-beams mainly used?
A: Building load-bearing beams, equipment main beams, factory frames, and municipal road reinforcement beams.
Q: What are the uses of Q345 H-beams?
A: High-rise steel columns, factory portal frames, bridge main beams, and large steel structure skeletons.
Q: Can Q345 be used for municipal road guardrails?
A: Crash barriers, bridge railings, and municipal fencing steel structures; high strength and not easily bent by impact.
Q: Can Q345 be used for street light poles and signal poles?
A: Large high-mast lights, traffic signal poles, and monitoring poles; wind-resistant, pressure-resistant, and non-deformable.
Q: Is Q345 used for urban overpasses and pedestrian bridges?
A: Core material for the main steel frame of pedestrian overpasses, stair beams, and bridge deck load-bearing skeleton.