Welcome to the National Corrugated Steel Pipe Association
By the time you finish reading this, the world will have changed. An old concept may have gained new traction or a product will be poised to take the world by storm. And so it is with corrugated steel pipe (CSP). New solutions, fueled by rapidly expanding technology and the industry’s advancements, have made steel more reliable and greener than ever.
CSP drainage solutions are ideal for entire stormwater systems, underground storm chambers and bridge replacements. Steel meets our national, regional and local demands with the most customizable and economical solutions that deserve to be specified.