Spiral rib pipe is our innovative flexible metal pipe that combines the proven strength of corrugated metal pipe with the flow capacity of a smooth inner wall. That is to say the product has two layers: the first layer is a smooth interior corrugated steel pipe and the second layer is a smooth steel liner providing for improved hydraulics. It is also called smooth wall spiral rib pipe or double wall corrugated steel pipe. It is economical and easy to install. It combines the advantages of many piping varieties into one revolutionary product. Spiral rib pipe is lightweight, easy to use and install, high strength, long-lasting and with superior performance therefore it is the perfect pipe that used for storm water sewer systems, culverts and drainage systems.

To suit the applications in construction, our spiral rib pipe comes in different diameters and lengths of six meters or longer. The thicknesses range from 1.6mm to 2.8mm. The material can be galvanized or steel and is about 1/12th the weight of concrete pipe.