Issue 1 V1.08
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Welded Connections > Force on Perpendicular Plug Welds (2 Plate)

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Full Penetration Plug Weld Stress

Notation and Units

Metric and Imperial Units

The above welding stress equations may be used with both imperial and metric units. As with all mathematical calculations care must be taken to keep consistent units throughout. Examples of units which could be adopted have been provided below:

Notation

  • d = diameter of plug weld, in or mm
  • i = number of welds
  • P = total axial force, kip or kN
  • s = plate thickness, in or mm
  • τz = shear stress in weld base area, psi or MPa
  • τo = shear stress in weld peripheral area, psi or MPa