Weld Group Calculator

Inputs

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Line-weld layout used for the elastic weld-group properties.
Horizontal spacing between side weld centrelines.
mm
Vertical weld length or group height.
mm
In-plane shear load applied to the bracket.
N
Distance from weld-group centroid to the load line.
mm
Equal-leg fillet weld size.
mm
Filler-metal classification used for allowable weld shear stress.

Results

Default result
Edit inputs
Utilization(U)
0.09941
Pass

Max weld stress / allowable weld shear.

Also computed

Max weld stress(tau)14.41MPa

Max resultant line load divided by 0.707*leg throat.

Required fillet leg(w_req)0.5965mm

Max line load(q_max)61.11N/mm

N/mm or lbf/in along the weld line.

Direct line load(q)22.73N/mm

Total weld length(L)440mm

Eccentric moment(M)1,000N·m

Method notes 3 notes
  • Elastic weld-group method: direct line load is F/L and torsional line load is M*r/J with M = F*e.
  • The stress check uses the 0.707*leg throat and allowable weld shear of 0.30*F_EXX. Base metal, fatigue and code resistance factors are not included.
  • This simplified tool checks rectangular line-weld layouts under in-plane eccentric load only. Out-of-plane bending and instantaneous-center methods are outside this model.

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