... 3.Steel Pipe Brand name: KAMAWY Corrugated metal pipe culverts is processed from carbon steel plate, ... main application of corrugated metal culvert:Road, railway, hidden trench for waterways, tunnels, culverts, animal channels, ... pipelines.Reinforcement and reconstruction for tunnels, bridges, culverts. ♦Economical and technical advantages:1. High strength ... a good relationship. Corrugated steel culverts