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Weld Joint - Butt Joint Calculation - Bending Load
Perpendicular to Weld

Weld Design Menu

The following equations will determine the normal stress applied to a butt welded joint under going bending loading perpendicular to weld joint.

Normal Stress

Where :
= Normal stress [MPa,psi]
u = Constant
- for calculation in metric units u = 1000
- for calculation in imperial units u = 12
= Bending moment [Nm, lb-ft]
W

= Section modulus of throat area of weld [mm3, in3]


Reference Stress

Where:
= Reference stress [MPa,psi]
= Normal stress [MPa,psi]
= Coefficient of weld joint

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