Field Heat Treating

Field Heat Treating

Field Heat Treating takes on many forms in terms of its application to materials, commonly referred to as Cooperheat or Cooperheating.  It is defined as the in-field application of heat, to materials to intentionally alter their properties.  The property changes can be physical and/or mechanical.

Cooperheat was one of the pioneering companies in the industry and subsequently became the generic and most recognizable name.  Cooperheat as a company in North America no longer exists after it filed for Chapter 11.  The Cooperheat brand was recently re-introduced by Stork a UK company, and the product line is unrecognizable to what previously existed in North America and most of the world.

The most common applications of Field Heat Treatment are:

 
  • Welding Pre-Heat
  • Post Weld Heat Treatment (PWHT) / Stress Relieving
  • Sweat Fitting / Interference Fitting /Hub Removal
  • De-Gassing / Bake-Out / Dehydrogenation (DHT)
  • Solution Annealing
  • Refractory / Coating Curing
  • Refractory Drying
  • Process Start-Ups / Warm-Ups
  • Bolt / Stud / Nut Removal
  • Line Thaws

 

The following Equipment is often used to perform the above-mentioned applications:

 
  • Electrical Resistance (Cooperheat)
  • High Velocity Combustion
  • Induction
  • Furnaces
  • Pin Welding
  • Insulating Materials
 
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