On Tue, 1 Mar 2011 13:27:44 -0800 (PST), KD7HB
wrote:

If it were mine, I would not attempt to bend. I would cut the tubing at 45 degrees and braze the ends together. Then clean. primer and epoxy paint the things.

Paul
Another good way to do it is to find some "T" fittings to slide pipe
through, and use pipe stubs down to the "rack pockets". Lots of fence
and gate fittings at the local TSC, orchard supply, building center,
or what-have-you - along with the galvanized pipe to do the job.