Weld Joint - Butt Joint Calculation - Normal Load

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The following equations will determine the normal stress applied to a butt welded joint under going normal load.

Weld Joint - Butt Joint Calculation - Normal Load

Normal Stress Formula

Normal Stress Formula
Where :
σ1 = Normal stress [MPa, psi]
Fn = Normal force [N, lb]
A

= Throat area of weld [mm2, in2]


Reference Stress Formula Welding

Reference Stress Formula Welding
Where:
σS = Reference stress [MPa, psi]
σ1 = Normal stress [MPa, psi]
α1 = Coefficient of weld joint