Linde BOC RAPTOR Operating Manual page 32

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
32
Result
Undercut
Wide bead
profile
Loss of gas
coverage
Unsymmetrical bead
profile
Incomplete
penetration
Tungsten inclusions
Porosity
Air
Oxides Oxides
Air
Air
Oxides