Fascinating Exothermic Track Welding Using Thermite

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Fascinating Exothermic Track Welding  Using Thermite | Train Fanatics Videos
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This awesome little clip is a great example of exothermic welding.

The workers team up and work work together to weld two ends of track in a process that takes anywhere from 45 minutes to a little over an hour depending on weather conditions and the surrounding temperature.

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The basic materials used are as follows:

  • Two clean ends of track
  • Sand mold housing
  • Blow torch
  • Thermite
  • Metal alloy
  • Chisel and buffer

Once complete a train can almost immediately cross the newly welded joint so long as it has cooled to temperatures below about 700 degrees fahrenheit.

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