Heat Treatment

Heat Treatment of ADI-Castings


Our Partner in the UK, ADI-Treatments,  is a specialist in the field of heat treatment of ADI castings. It has the largest treatment furnace in Europe for this sector of the industry.

Here, castings of up to 6,000 kg in weight and 1840 x1840 x1500 [mm] is size may be treated fully automatically, thus ensuring consistent quality and charecteristics.



Conventional heat treatment


Since February 2009 we have been carrying out conventional heat treatment through our fully-owned subsidiary company: Hulvershorn Wärmebehandlung GmbH & Co KG.



Through this facility we are able to offer the following forms of heat treatment:


  • Stress-relief annealing
  • Isothermal annealing under still or moving air conditions
  • Ferritic annealing
  • Special annealing methods (on request)




We can anneal the following parts for you:


  • Castings
  • Welded assemblies
  • Engine components
  • Steel containers
  • Forgings
  • Other Parts



The equipment which we use for the this is as follows:


Bogie Hearth Furnace I:

Internal dimensions:         7500 x 3000 x 1800 mm
Weights of individual items:    up to 20t, furnace loading approx. 30t
Temperatures:    max. 950°C


Bogie Hearth Furnace II:

Internal dimensions:         4000 x 2500 x 1800 mm
Weights of individual items: up to 15t, furnace loading approx. 15t
Temperatures: max. 950°C


Rump-Shot-Blasting House:

Internal dimensions: 2200 x 2200 x 2600 mm
Weights of individual items: up to 5t
Blasting abrasive: Steel pellets


Additional shot-blasting equipment on request (also hand-held shot-blasting).


In some cases excesses of the information are possible, please you get in touch with us for the purpose of arrangement!