A hollow steel tube is to be used to carry an axial compressive load of 160 kN. The yield stress for steel is 250N/mm2. A factor of safety of 1.75 is to be used in the design. The following three classes of tubes with the external diameter of 101.6mm are available:
Class Thickness
Light 3.65 mm
Medium 4.05 mm
Heavy 4.85 mm

Required: Which section do you recommend? why?

Answer rating: 100% (QA)

Solution Solution Given that Y 250 Nmm y175 F 160 KN d 1016 mm Then stres... View the full answer