What is Stronger Steel Square Hollow Section or steel Circular Hollow Section

[mclaughlin684]

Hey there, I am going to by building a chassis and i am wanting to find out if 33.7mm dia X 4mm thickness circular hollow section or 40mm X 40mm X 2.5mm Square Hollow Section is stronger these two weight around the same per meter

thanks Ian

 

[Xerxes1986]

Are you talking about compressional strength? Tensile strength? Along which axis?

 

[Dr Lots-o'watts]

Is this intended to support people?