Also put this on metallurgy --
I'm looking for sources that give equations for calculating the load bearing strength and yield strength of aluminum tube.
I found this:
strength (psi) = yield * (wall thickness / radius)
that right?
no
hint: strength is not measured in psi
what is the loading condition?
axial? internal pressure? bending? torsion? shear?
??? Every handbook I own gives the tensile and yield strengths of various material in ksi for english units.
Strengths are usually given per unit cross section area. For a tube, its cross section area is given by pi times r1 ^2 - pi times r2^2 for r1 outer radius r2 inner radius
Brian W
Have a look at here
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