Composite sections made up of simple sections which are already implemented can be used with the following codes: AISI/NASPEC-2007 (LFRD) (USA), AISI/NASPEC-2007 (LFRD) (Mexico) and CAN/CSA S136-07 (Canada) (as of the 2011.a version). The simple sections and their corresponding composition to create composite sections are:
- For simple cold-formed C and stiffened cold-formed C sections:
- Double welded in a box
- Double in a box with batten plates
- Double in a box with generic joint
- Double welded in I
- Double in I with plates
- Double in I with generic joint
- For Rectangular cold-formed box and Square cold-formed box
- Double with generic joint
- Four with generic joint
- Cold-formed angle and Symmetrical cold-formed angle
- Double welded in a box
- Double in a box with generic joint
- Double welded in T
- Double in T with generic joint
- Double in U with generic joint
- Double in cross with generic joint
- Channel with stiffened web
- Double welded in a box
- Double in box with cover plates
- Double in box with batten plates
- Double in box with generic joint
- Double welded in I
- Double in I with plates
- Double in I with generic joint