Q:- Some codes require the excess weld metal (weld cap) on cross weld joint tensile specimens to be flush ground, this is because:

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  • Flushed caps will always break in the weld metal area
  • This is to remove any porosity in the excess weld metal (weld cap)
  • It is easier to calculate the cross section areas of the joint when fused
  • Flushed caps have fuser stress raisers and therefore give a more aqua rate result
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