Thanks for your advice. It looks like I’ll be sticking to the round tube then.

2005 - BPEL 6.0"x MSEG 4.5" (BEG 4.75"/HEG 4.625")

2010 - BPEL 8.0"x MSEG 5.75" (BEG 6.5"/HEG 5.875")

Goal - BPEL 9.0"x MSEG 6.5" (BEG 6.5"/HEG 6.75")