How to weld > Welding defects and discontinuities
Spatter
Read about possible causes and suitable actions to avoid them
Cause
- Too high voltage in comparison to the wire feed speed
- Surface impurities
- Magnetic arc blow
- Coating (primer, zinc)
Remedial actions
- Decrease the voltage level
- Make sure that the surface is free from impurities
- Weld towards the ground clamp
- Grind away the surface coating
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