Issue 1 V1.08
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Welded Connections > Torsion on PP Fillet Welds (Rectangular Bar to Plate)

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Rectangular Steel 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:


  • b = width of Rectangular bar, in or mm
  • h = weld throat thickness, in or mm
  • l = depth of Rectangular bar, in or mm
  • T = torque force, or Nmm
  • τ = shear stress, psi or MPa