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A wide variety of structural applications, such as bridges and buildings, call for the use of metal tube and hollow bar. In comparison to solid metal bar stock, they have a lower cost per pound because they weigh less than a solid bar of the same material and size while still providing significant strength. Despite the fact that tube and hollow bar can have a similar appearance in terms of shape, we will look at the differences between tube and hollow bar in greater depth. In order to distinguish between tube and hollow bar, the f... more