Welder Red Seal · Question
When performing a vertical-up (3G) fillet weld with an E7018 electrode, a welder notices that the weld metal sags or rolls, especially towards the edges of the bead. What adjustment should the welder primarily consider to correct this issue?
Weld metal sagging or rolling in vertical-up welding indicates that the weld puddle is too fluid, often caused by too much heat. Decreasing the amperage setting
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Question: When performing a vertical-up (3G) fillet weld with an E7018 electrode, a welder notices that the weld metal sags or rolls, especially towards the edges of the bead. What adjustment should the welder primarily consider to correct this issue?
Answer options:
- Increase the travel speed
- Increase the amperage setting
- Decrease the arc length ✅ Decrease the amperage setting
Correct answer: Decrease the amperage setting
Explanation: Weld metal sagging or rolling in vertical-up welding indicates that the weld puddle is too fluid, often caused by too much heat. Decreasing the amperage setting will reduce the heat input, allowing the puddle to solidify faster and prevent sagging. Increasing travel speed or arc length can exacerbate the issue.
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