Thermofax Ltd


With over 45 years experience within the heat treatment trade, our commitment to a quality product and customer satisfaction has been the backbone on which this family business has been built.

Our purpose built batch furnaces can accommodate a wide variety of contracts and projects.

They range in capacity from 1 Kilo to 30 Tonne charges.

Thermofax processes can be applied to:

  • Flat and Round Bar Stock
  • Ferrous and Non Ferrous Castings
  • Welded Fabrications
  • Heavy Forgings
  • Machined Parts
  • Manipulated Tube
  • Pressure Vessels
  • Profiles / Blanks / Plate / Slab
  • Rod and Wire Coil and Cut Lengths
  • Hot and Cold Rolled Sections
  • Fasteners and Springs
  • Lifting Capacity 10 Tonne and 16 Tonne

Metal Heat Treatment Specialists

Since forming in 2001, Thermofax has established an impressive reputation for sub-contract metal heat treatment services within the UK

Through continued improvement and investment, Thermofax has gone from strength to strength allowing us to become a dominant force within the metal heat treatment industry, whilst still achieving high customer expectations and consistently providing quality products and customer satisfaction.

Industries Served:

  • Petrochemical
  • Oil and Gas
  • Power Generation 
  • Automotive
  • Defence
  • Marine
  • Aerospace
  • Construction
  • Agriculture
  • Food Processing
Metal Heat Treatment Specialists

For more information please contact our technical sales team on Tel: 01384 230214


  •  Sub-Critical Annealing
  •  Spherodise Annealing
  •  Isothermal Annealing
  •  Lamelar Pearlitic Annealing
  •  Austenitic Annealing
  •  Re crystallizing
  •  Solution Annealing
  •  Tempering

Materials Generally Processed

  • Carbon and Alloy Steels
  • Stainless Steels
  • Tool Steel
  • Boron Steel
  • Non-Ferrous Metals
  • High Temperature Steels
  • Corrosion Resistant Steels
  • Bolting Grades
  • Petrochemical Grades
  • Power Generation Grades
  • Nickel Alloys

Batch Sizes: up to 15 Tonnes
Max Length: 7.3m



  • Normalising
  • Normalise and Temper
  • High Temperature Softening
  • Solution Treatment

Materials Generally Processed

  •  Carbon and Alloy Steels
  •  Petrochemical Grades
  •  Power Generation Grades

Batches: up to 30 Tonnes
Maximum: single bar length – 9.3m


Stress Relieving

  •  Post Weld Stress Relieving to Procedure Including: ASME VIII, BS31.1, PD5500:2009
  •  Stabilizing Treatments
  •  Profile or manipulation Stress Relief
  •  Material Specific Stress Relieving

Materials Generally Processed

  •  Carbon and Alloy Steels
  •  Cast Iron, Grey Iron, SG Iron
  •  Stainless Steels
  •  Non Ferrous Metals
  •  Petrochemical Grades
  •  Power Generation Grades
  •  Nickel Alloys

Fabrications: up to 9m length
Maximum Diameter: plates/rings 6.5m

Stress Relieving

Please e-mail us with your enquiry


  • Age Hardening / Precipitation Hardening
  • Solution Treatment
  • Strain Ageing
  • Small Capacity Water Quench

Materials Generally Processed

  • High Alloy Steels
  • Stainless Steels
  • Bolting Grades
  • Nimonic
  • Incoloy
  • Inconel
  • Hastelloy
  • Titanium
  • Monel

Batch Sizes: up to 2 Tonnes
Lengths: up to 2.6m



If we cannot accommodate your requirements within the capacity of our plant, or do not carry out the process, we will be able to offer an alternative supplier within our heat treatment community.

We can also source solutions for other associated processes including:

  • Straightening and Reeling
  • Flattening
  • Sawing
  • Laboratory Testing
  • Shot Blasting
  • Chemical Cleaning and Pickling
  • Steel Sourcing

Other Services - Tempering

- Tempering up to 7.3m
  Carbon and Alloy Steels
  Bolting Grades, B7, L7
  Non Ferrous Metals

 - Oxidisation of Titanium Tubes

 - Creep Flattening of Titanium

 - Paint Burn Off

 - Refractory Dry Out

Other Services - Tempering

Contact details

Thermofax Ltd

Block 2, Grazebrook Industrial Park 
Peartree Lane, Dudley 
West Midlands, DY2 0XW

Tel: 01384 230214 Fax: 01384 253551

Contact details
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