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AddressOtto-von-Guericke-Platz 1
63457 Hanau
Phone+49 6181 307-0
Fax+49 6181 307-3

Company Profile

At the beginning of ALD's corporate history were two great entrepreneurs of vacuum technology: Wilhelm Carl Heraeus (1827-1904) and Ernst Leybold (1824-1907). They founded the two companies from which ALD emerged.

World-wide market leader in vacuum metallurgy. Technology leader in vacuum heat treatment. Only supplier of vacuum thermal recycling world-wide. 

Established in 1994 as a subsidiary of Leybold AG and Degussa AG.
Today a company of AMG Advanced Metallurgical Group N. V., Netherlands.

Strategic business areas: Engineering and Own & Operate.

Strong international presence with branches in USA, Japan and UK.

Product Profile

  • DualTherm® – Dual Chamber Vacuum Furnace for Flexible Heat Treatment
  • ModulTherm® - Flexible Vacuum Heat Treatment Systems for Ultimate Product Quality
  • MonoTherm® – Vacuum Chamber Furnace for Ultimate Quality
  • SyncroTherm® - Cost reductions, quality improvements and ecological benefits
  • Electron Beam / Physical Vapor Deposition (EB/PVD) of Protective (MCrAlY) and Thermal Barrier Coatings (TBC)
  • Vacuum Investment Casting (VIM-IC)
  • Vacuum Arc Remelting (VAR)
  • Electroslag Remelting (ESR)
  • SCU – Silicon Crystallization Furnaces for Multi- and Mono-Crystalline Ingot Production
  • and many more…

Metal-working industries

  • melting of steel, iron and non-ferrous metals
  • heating, preheating, holding
  • heat treatment and surface treatment
  • vapour deposition (PVD, CVD), coating
  • others

Process firing equipment

  • inductive heating including HF and MF generators
  • resistance heating
  • microwave heating, plasma heating
  • others

Other components and accessories for industrial furnaces

  • control systems
  • heat-insulating and refractory material
  • others

Services related to products

  • engineering, design
  • assembly, commissioning
  • maintenance, inspection, repair
  • safety inspection
  • others

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