weld 1100 - shielded metal arc welding - College of Eastern Utah
weld 1100 - shielded metal arc welding - College of Eastern Utah
weld 1100 - shielded metal arc welding - College of Eastern Utah
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Slag Removal<br />
Slag inclusions are <strong>of</strong>ten caused by inadequate slag removal.<br />
Each bead must be thoroughly cleaned prior to <strong>weld</strong>ing over it.<br />
Slag removal is easier when there is a smooth transition from<br />
bead to bead or the base material to the bead(s).<br />
Slag entrapment <strong>of</strong>ten occurs where sharp notches are formed.<br />
Undercutting, overlapping and excessive bead convexity promote<br />
slag entrapment and inclusions.<br />
Complete removal <strong>of</strong> slag is required to achieve high quality<br />
<strong>weld</strong>s.
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