Square tube load 100x50x5mm and 3.6m opening? Can it handle 750kg?

[Tasur]

Hello, need some help
Square tube 100x50x5mm
Can it support 750kg with an opening of 3.6m? Regards, Alar

 

[mattoys]

Hello, need some help
Rectangular tube 100x50x5mm
Can it bear 750kg with an opening of 3.6m? Regards Alar

But here is how you can calculate:
https://abrahamssonsjarn.se/app/uploads/2019/09/Tibnor_Konstruktionstabeller-2018.pdf

 

[justusandersson]

If you mean a point load of 750 kg in the middle, it doesn't go so well. The deflection will be 20 mm, which corresponds to 1/180 of the span. If you increase the dimension to 120x80x4, it works.

 

[Tasur]

If you mean a point load of 750 kg in the middle, it doesn't work so well. The deflection will be 20 mm, which corresponds to 1/180 of the span. If you increase the dimension to 120x80x4, it works.

Thank you very much