Corrugated Steel Banner Image

Corrugated Steel Pipe Coupling Systems

The performance and material requirements for CSP coupling systems are scattered among several ASTM and AASHTO specifications. The two most commonly used specifications for defining CSP coupling systems are Section 26 of the AASHTO LRFD Bridge Construction Specifications and ASTM A760, Standard Specification for Corrugated Steel Pipe, Metallic Coated for Sewers and Drains.


All CSP joining systems involve one of the coupling bands depicted in the table below and may require a flat or o-ring gasket.

Most Common Coupling Bands for Corrugated Steel Pipe
Type of Band Cross Section
Angles Bar, Bolt & Strap
Gaskets Pipe Type
O-Ring Sleeve or Strip
Mastic Annular Helical
Plain Reformed
Universal Universal X X X X X X X
Corrugated corrygated X X X X X X X
Semi-Corrugated semi X X X X X X
Flat flat X X X X X X X

Benefits of Corrugated Steel Pipe Joining Systems:

  • Positive connections are available between joints which resist earth movement and joint separation
  • Gasketed coupler connections perform to stringent infiltration and exfiltration requirements of current design standards
  • Special couplers can be tailored to a variety of installation circumstances
Please follow and like us:

For more information on Corrugated Steel Pipe Coupling Systems, check out the Corrugated Steel Pipe Design Manual or send us your questions through our Answer Desk.

Click Here to Find a Member Supplier