Why are the ends of tack welds ground to a featheredge?
A) It makes it easier to see as you weld across the tack welds.
B) It prevents the shielding gas from becoming turbulent and losing good gas coverage.
C) It stops porosity.
D) It makes it easier to have 100% penetration at the ending and beginning of the root weld.

Question

Quizplus · Accepted Answer

Grinding the ends of tack welds to a featheredge creates a smooth transition from the tack weld to the root weld, which can make it easier to achieve 100% penetration at the beginning and end of the weld.

Why Are the Ends of Tack Welds Ground to a Featheredge