Originally Posted by ofofhy
Not really. A thicker-walled tube is stronger than a thin-walled tube, so you can think of a solid tube as a really thick-walled tube. Maybe you are thinking strength to weight ratio (of the structure, not the material).
What I should have stated was that the hollow tube resists bending better than a solid tube. I should not have used the word stronger. You are right, solid is stronger. But, hollow resists bending better due to the structural characteristics.