Oblique Butt Weld Joint Calculation Formulas

Normal stress

where:

	F	acting force [N, lb]
	δ	weld direction angle [°]
	A	throat area of the weld [mm², in²]

Shear stress

where:

	F	acting force [N, lb]
	δ	weld direction angle [°]
	A	throat area of the weld [mm², in²]

Resultant reduced stress

where:

	σ	normal stress [MPa, psi]
	τ	shear stress [MPa, psi]

Reference stress

where:

	σ	normal stress [MPa, psi]
	τ	shear stress [MPa, psi]
	α ₁, α₂	factor of the weld joint [-]

Meaning of used variables:

A	throat area of the weld [mm², in²]
F	acting force [N, lb]
α ₁, α₂	factor of the weld joint [-]
δ	weld direction angle [°]

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