Contraction of weld metal during welding that forces base metal to move.
Possible Causes
Corrective Actions
Excessive heat input
Use restraint (clamp) to hold base metal in
position
Make tack welds along joint before starting
welding operation
Select lower voltage range and/or reduce
wire feed speed
Increase travel speed
Weld in small segments and allow cooling
between welds
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5. TROUBLESHOOTING
5.8 Distortion
