Linde BOC Smootharc Advance MIG 425R Operating Manual page 42

42 BOC Smootharc Advance III MIG 225C & 255C Operating manual
Condition
Long arc length
Acute angle
Angular
mis-alignment
Mis-alignment
Filler rod removed
from gas shield
Rod
movement
Tungsten inclusions
Electrode contact
with the weld pool
Undercut
Wide bead
profile
Loss of gas
coverage
Unsymmetrical bead
profile
Incomplete
penetration
Oxides
Tungsten inclusions
Result
Porosity
Air
Air
Oxides
Oxides
Air