Standard corrugated steel pipe is available in a wide range of sizes, shapes, gauges and corrugation profiles to help designers meet both hydraulic and structural conditions for each site. Additionally, corrugated steel pipe is available in a range of coatings, including galvanized (zinc-coated), Aluminized Type 2 and polymeric film, among others. Depending on the respective coating selected for the applicable environmental conditions, a service life of more than 100 years can be achieved.