How Do You Calculate the Required Thickness of Aluminum for a Box?

[SP_RED]

Homework Statement

i am trying to work out the required material thickness for a given box.
the material i am using is aluminium.
i only require the formula - can't find a suitable one on web

Homework Equations

The Attempt at a Solution

M = I
σ y

M = bd M = bd2
σ 12/2 σ 6

 

[berkeman]

Homework Statement

i am trying to work out the required material thickness for a given box.
the material i am using is aluminium.
i only require the formula - can't find a suitable one on web

Homework Equations

The Attempt at a Solution

M = I
σ y

M = bd M = bd2
σ 12/2 σ 6

Welcome to the PF. Required thickness for what?

 

[SP_RED]

Homework Statement

i am trying to work out the required material thickness (gauge) for a box i am making which is designed to hold an amplifier weighing 350grams.

the material i am using for the boxes is aluminium.

i know that 1.6mm or 16 gauge is more the suitable but i am just trying to prove it through the appliance of science/maths.

i only require the formula - can't find a suitable one on web

Homework Equations

The Attempt at a Solution

M = I
σ y

M = bd M = bd2
σ 12/2 σ 6