• Home
  • Special steel
  • Special steel castings
  • Investment castings
  • Surface treatment

For the most


Independent consulting removed from technology brands, customer relations geared to long-term partnerships, enhanced efficiency and cost-effectiveness − these are the objectives to which the Surface Treatment Division is committed.
Go to services

Due to their wide-ranging expertise and competences, it is easy for our technical consultants to find the perfect solution for our customers' demands. Their broad, sector-spanning knowledge is an ideal basis for providing tailored consulting services that incorporates a spectrum ranging from suggestions for improved construction and design of tools, through defining optimum tool treatment, all the way to process details.
Go to contact form


Excellent hot hardness and oxidation resistance are just two of the various properties that characterize Dörrenberg’s new high-performance coating.

It ensures better performance and durability of tools in plastics extrusion or in press hardening. PVD-AlCrN coating is used for heavy-duty hot-forming, punching and cutting tools and for aluminium die-casting.

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


© Dörrenberg 2013