Can you TIG Weld Over a MIG Weld?

Dreamstime M 50176912

Not so long ago, we had the case where an old welded, mild steel support structure showed some quite ugly weld beads. As we are a mainly TIG process factory, the question was: Can we TIG weld over MIG welds? Generally speaking, yes. TIG welding makes it possible to melt a weld without adding filler … Continue Reading