Thermofax Ltd

With over 50 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.

We house the biggest furnaces in the Midlands and Southern Regions, and have the flexibility of plant to accommodate charge weights ranging from 1 Kilo up to 30 Tonnes

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

Our general process capabilities are

  • Post Weld Heat Treatment
  • Stress Relieving
  • Annealing
  • Normalising
  • Solution Treatments
  • Age Hardening
  • Lifting Capacity of 16 Tonnes
  • 10 Large Furnaces
  • Largest Bed Size of 7000mm x 8000mm

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Showing 14 of 58 Services
  1. Black Bar Heat Treatment

    Black Bar Heat Treatment
    Heat Treatment consisting of Heating and Soaking at a suitable temperature followed by cooling under conditions such that, after return to ambient temperature, the metal will be in a structural state closer to that of equilibrium.
  2. Bright Bar Heat Treatment

    Bright Bar Heat Treatment
    Heat Treatment consisting of Heating and Soaking at a suitable temperature followed by cooling under conditions such that, after return to ambient temperature, the metal will be in a structural state closer to that of equilibrium. Batch Sizes up to 30 Tonnes Max Length 8.0m
  3. Cast Iron Annealing

    Cast Iron Annealing
    Heat Treatment consisting of Heating and Soaking at a suitable temperature followed by cooling under conditions such that, after return to ambient temperature, the metal will be in a structural state closer to that of equilibrium 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 30 Tonnes Max Length 8.0m
  4. Coil Annealing

    Coil Annealing
    Heat Treatment consisting of Heating and Soaking at a suitable temperature followed by cooling under conditions such that, after return to ambient temperature, the metal will be in a structural state closer to that of equilibrium.
  5. Full Annealing

    Full Annealing
    Heat Treatment consisting of Heating and Soaking at a suitable temperature followed by cooling under conditions such that, after return to ambient temperature, the metal will be in a structural state closer to that of equilibrium Thermofax Ltd process to the following technical conditions: Full Annealing: Performed at a temperature above the Ac3 point. Inter Critical Annealing: Performed at a temperature between the Ac1 and Ac3 points. Isothernal Annealing: Annealing involoving Austenetizing followed by cooling which is interrupted by soaking for a period at a temperature at which the transformation from austenite into ferrite and pearlite, or cementite and pearlite is complete. Solution Annealing: Applied to austenitic steels. Consisting of heating to a high temperature followed by cooling sufficiently rapidly to preserve a homogenous austenitic structure on return to ambient temperatures. Spherodize Annealing: Prolonged holding at a temperature in the region of the Ac1 point, oscillating around this temperature in order to bring about the spherodization of the precipitated carbides. Sub Critical Annealing: Annealing at a temperature slightly below the Ac1 point. 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 30 Tonnes Max Length 8.0m
  6. Metal Heat Treatment

    Metal Heat Treatment
    Wide range of services dependant on material specifics, futher processing and customers own requests
  7. Post Weld Stress Relieving

    Post Weld Stress Relieving
    Heat Treatment including heating to and soaking at a suitable temperature followed by cooling at an appropriate rate in order to reduce the internal stresses without substantially modifying the structure. - Post Weld Stress Relieving to Procedure Including: ASME VIII, ASME IX, BS31.1, BS31.3, PD5500:2009 - Stabilizing Treatments - Profile or manipulation Stress Relief 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 7.0m For items outside the scope of our capacity please contact us directly as we can sub-contract on your behalf.
  8. Round Bar Annealing

    Round Bar Annealing
    Heat Treatment consisting of Heating and Soaking at a suitable temperature followed by cooling under conditions such that, after return to ambient temperature, the metal will be in a structural state closer to that of equilibrium Thermofax Ltd process to the following technical conditions: Full Annealing: Performed at a temperature above the Ac3 point. Inter Critical Annealing: Performed at a temperature between the Ac1 and Ac3 points. Isothernal Annealing: Annealing involoving Austenetizing followed by cooling which is interrupted by soaking for a period at a temperature at which the transformation from austenite into ferrite and pearlite, or cementite and pearlite is complete. Solution Annealing: Applied to austenitic steels. Consisting of heating to a high temperature followed by cooling sufficiently rapidly to preserve a homogenous austenitic structure on return to ambient temperatures. Spherodize Annealing: Prolonged holding at a temperature in the region of the Ac1 point, oscillating around this temperature in order to bring about the spherodization of the precipitated carbides. Sub Critical Annealing: Annealing at a temperature slightly below the Ac1 point. 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 30 Tonnes Max Length 8.0m
  9. Stainless Steel Stress Relieving

    Stainless Steel Stress Relieving
    Heat Treatment including heating to and soaking at a suitable temperature followed by cooling at an appropriate rate in order to reduce the internal stresses without substantially modifying the structure. 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 7.0m For items outside the scope of our capacity please contact us directly as we can sub-contract on your behalf.
  10. Steel Bar Annealing

    Steel Bar Annealing
    Heat Treatment consisting of Heating and Soaking at a suitable temperature followed by cooling under conditions such that, after return to ambient temperature, the metal will be in a structural state closer to that of equilibrium.