Stress Concentration Factor - PV Elite - Help - Hexagon

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Enter a value, typically between 1 and 3, for stress concentration due to weld quality and dimensions in the immediate vicinity of the weld. The stress concentration factor:

  • Accounts for peak stresses - local stress risers in the immediate vicinity of vessel welds due to factors such as sharp corners and lack of fillet weld radii. Peak stresses are considered in fatigue analysis.

  • Applies to the stress calculations in the vessel and the nozzle on both the inside and the outside of the vessel.

  • Is not used in pressure stress calculations.

This value is only available for ASME material when PD5500 Annex G? on the Vessel tab is not selected.