HEAT TREATMENT PROCESSES

In addition to the coatings, we offer our customers vacuum heat treatments, nitriding, NOX treatments and also surface hardening treatments.

For detailed information, please see our more info section or our download area. There you can also gain an overview and learn more about our coatings, heat treatment processes and services.


VACUUM HEAT TREATMENT

Creating cost and competitive advantages

  • Specialisation in high-performance materials
  • Optimised scheduling of assignments
  • High unit weights
  • Customized batch management

 

Fields of application:

  • Cold-working steels
  • Hot-working steels
  • High-speed steels


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PLASMA NITRIDING

The basis for longer service life

  • Customized processes
  • State-of-the-art system technology
  • High unit weights
  • Process for tools and machine components

 

Fields of application:

  • Internal high pressure forming tools
  • Machine components
  • Cold-working tools
  • Hot-working tools


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NOX

Solid shaping and forming with black thread fillets

  • Improved service lives for thread rolling tools
  • Best results due to combination of high hardness and sufficient durability of
    the thread and tread grooves

 

Fields of application:

  • Thread rolling dies
  • Thread rolling devices


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INDUCTION HARDENING

State-of-the-art system technology ensures economic advantages

  • Protection against wear and washout of distinctive lines
  • Quality advantages in connection with wide hardening paths
  • Cost advantages due to use of grey cast iron materials

 

Fields of application:

  • Drawing tools
  • Blank holders
  • Dies
  • Cutting knives
  • Machine components


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Top issue

CVD – unrecognized genius

Dörrenberg is one of the few companies in central Europe to provide CVD coating for heavy-duty forming tools as a subcontracting service. more

Information

© Dörrenberg 2013