A fillet weld VT notes “undercut” at the toe; what does that imply for execution quality?
Choices
- (A) Extra weld metal always raises strength
- (B) Localized groove at the fusion line reduces effective throat and needs rework per acceptance criteria
- (C) It is cosmetic and always ignored
- (D) It proves adequate preheat only
Correct answer: (B)
Localized groove at the fusion line reduces effective throat and needs rework per acceptance criteria
Explanation
Notches lower fatigue life at toes.