STAAD.Pro Help

D1.A.4.3 Castellated Beams Section Sizes

STAAD.Pro incorporates the non-composite castellated beam tables.

All castellated beams are listed with their nominal depth and their nominal weight per foot (i.e., similar to the nomenclature used for American wide flange shapes).

Tip: You can click View Table in the Section Profile Tables dialog to view the properties table, which includes the root beam profile size used for each castellated beam.
10 TO 20 TA ST CB15X33
2 TA ST CB27x40