by KF5ZXT » Tue Jul 02, 2013 8:50 am
Pipe has a seam, which is an inherent weak spot. Pipe is not designed to carry a load. It is basically a flat piece of metal folded over and butt-welded to itself. Tube is drawn over mandrel, seamless, and much stronger in the same dimensions. As such, a pipe bender is not designed to bend tube correctly.
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