The Ryerson Steel catalog has dimensions, weights per foot, and available
grades of steel for square tubes as small as 3/8" x 3/8". Once you have the
wall thickness, calculating the section properties is easy.
David Duerr, P.E.
Polytechforum.com is a website by engineers for engineers. It is not affiliated with any of manufacturers or vendors discussed here.
All logos and trade names are the property of their respective owners.