What is flame soldering and what are its advantages?

Beke Nieszytka | 25. September 2020

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Flame soldering is a thermal joining process for metallic materials that are connected with a solder during this method. The thermal energy required for this procedure is generated by burning gas in a burner. The flame melts the solder, which then connects with the material. Flame soldering is used both for manual work and in machines. With automatic flame soldering, several burners, so-called flame field burners, are used.


  • Simple equipment handling
  • Good regulation of the heat supply
  • Effective shielding of the solder joint through the flame
  • High degree of mechanisation
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