Manufacturer of high-grade castings as well as equipment for the foundry and semi-finished product industries

High-grade steel foundry

OTTO JUNKER GmbH's high-grade steel foundry produces high-alloy sand castings from iron, nickel and cobalt-based materials - as cast, pre-machined or finished - with gross weights ranging from a few kilograms to a maximum of 10,000 kg.

Our cast high-grade steel products find their uses in the chemical and pharmaceutical industries, foodstuffs processing, environmental engineering, power generation, marine technology, semi-conductor production, research and development, and many other demanding applications.

Our high-grade steel foundry also offers toll machining services, particularly for the CNC vertical lathes.


Induction melting furnaces

The business unit induction melting furnaces constructs, produces and installs

  • crucible melting furnaces (medium-frequency),
  • channel-type melting-, holding- and casting furnaces,
  • casting plants

for the metals iron, steel, copper, aluminium, magnesium, silicon and zinc.

Our customers are foundries all over the world, which supply the following markets:

  • the general engineering
  • the wind power industry and the solar power industry
  • the automotive industry and
  • the copper- and aluminium-semi-finished industry

Thermoprocessing plants

The "thermoprocessing"business unit designs, manufactures and installs equipment for customers in the aluminium and copper industries,mainly for:

  • Rolling mills (slab, plate, sheet, strip, foil manufacturers)
  • Extrusion plants (billet, rod,tube, profile manufacturers)
  • Casting shops
  • Forgingplants
  • Aluminium casthouses


In these industries the following OTTO JUNKER products are mainly used:

  • Preheat and homogenizing furnaces - batch/continuous
  • Annealing, heat treatment and ageing furnaces - batch/continuous
  • Degreasing, annealing and pickling lines
  • Hot diptinninglines
  • Gas-fired melting and pouring furnaces for aluminium casthouses           

Your direct contact:

  • Induction Melting Furnaces
    +49 2473 601-600
  • Thermoprocessing Plants
    +49 2473 601-600
  • High-grade steel foundry
    +49 2473 601-611