What Is Weld Spatter? (A Complete Guide) - TWI Global

Home » Why Does Flux Core Splatter » What Is Weld Spatter? (A Complete Guide) - TWI Global

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Weld spatter is formed from droplets of molten metal or non-metallic material that can be produced during a welding process. The drops of hot material can spray or splash from the weld and hit the workbench, floor, base material or other surrounding area. As they cool, they form small round balls of material where they landed.

Most weld spatter problems occur as a result of gas metal arc welding (GMAW) – also known as MIG/MAG welding.

Excess spatter can be removed from where it landed and recycled in a furnace.

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Contents

Click the links below to skip to the section in the guide:

  • Where does it come from?
  • What causes it?
  • What does it look like?
  • How to reduce it
  • How to fix it
  • Is spatter bad?
  • Is it a defect?
  • Conclusion

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