... I-beam, wide-flange beams, channels, bars, round and FRP square tube, custom shapes are available, too. Profiles can be used ... a specific rod or tube size.Channel/BeamAngles, I-beam, wide-flangebeams, channels, bars, round, and square Tubes, Custom shapes are ... such things as bar stock (rectangle and square), oval solids, channels, half rounds, tees and more complicated shapes per customer requirements ...