Living with Arc Welding Spatter. By A.F. Manz; Mar 01, 2009; Spatter can originate from rapidly expanding gas bubbles in the weld puddle or in the metal drops that transfer from the end of the ...

Some of these hop out of the arc altogether, others smack into the liquid weld pool. Both produce heavy spatter. Spray transfer happens at higher voltages still and so isn’t achievable on all sets.