Contract manufacture

Welding, brazing, annealing

As one of the leading full-service providers for electric heating elements, DEW has exceptionally well-qualified and experienced skilled staff and a state-of-the-art range of machinery. To maximise utilisation of our facilities, we continuously take on contract manufacturing orders – for example in the areas of TIG welding, brazing and punching. The advantage for you: you can supplement your own resources with exactly the additional services you require and benefit from the efficient working practices of a quality-focused, medium-sized German company. 

Joining methods – brazing and welding

Brazing work in a stainless steel continuous humpback furnace

  • Brazing work in a copper annealing and brazing furnace
  • Manual brazing work on stainless steel assemblies
  • Induction brazing
  • Program-controlled machine brazing


  • TIG welding
  • Orbital welding
  • Laser welding
  • Friction stir welding

Available qualifications within the team

ISO certification

  • ISO 9606-1 141 T BW/FW FM5 S s2.0 D38 H-L045 ss nb
  • ISO 9606-1 141 T BW/FW FM5 S s3.0 D48 H-L045 ss nb
  • ISO 9606-1 141 T FW FM5 S t2.0 D48 PB ss nb

Annealing work for processing copper and stainless steel 

  • Annealing, bright annealing and brazing of stainless steel in a continuous humpback furnace with conveyor throughput under inert gas with dewpoint monitoring at a maximum temperature of 1150 °C

Production of pressed parts, punched parts and drawn parts

  • Pressing force of up to 250 t
  • Production of pressed parts, punched parts and drawn parts made of steel, stainless steel, brass, copper and aluminium, as well as non-ferrous materials
  • Example products: Metal caps, flanges, screw heads, connecting parts and others
  • From prototype to series production