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THERMI-LOIRE

THERMI-LOIRE specializes in the processing of large parts, particularly for the aeronautical industry.

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thermi-loire, Specialist in large parts

THERMI-LOIRE has been basedin the Stéphano region since 1977, and is a flagship company of the Thermilyon group.

Located in Andrézieux-Bouthéon, this company specializes in the heat treatment of metals. The site benefits from a strategic position in the heart of the Loire, integrating industrial excellence and technological innovation in all its activities to meet the needs of local industries: forges, gear manufacturers, toolmakers, mechanics...

THERMI-LOIRE specializes in the treatment of large parts, particularly for theaeronautics and automotive industries.

Address: 143 Avenue Benoit Fourneyron 42160 ANDREZIEUX BOUTHEON

1977

Creation date

2006

Date of first certification

thermi-loire's expertise

TheTHERMI-LOIRE site offers vacuum and controlled atmosphere treatment solutions, as well as press hardening, meeting the most stringent standards imposed by the industry.

The development of skills specific to the aeronautical industry was crowned by the award of NADCAP Heat Treating international aeronautical certification. More recently, the site also acquired IATF 16949 certification for theautomotive sector, testifying to its expertise and ability to meet the technical and quality requirements of these demanding industries.

Ongoing investment in high-capacity furnaces and advanced production automation underline the importance of efficiency and productivity for THERMI-LOIRE.

These improvements not only ensure a high degree of adaptability to changing customer needs, but also the ability to pilot complex processes on a large scale, reinforcing the company's position as a leader in metal treatment and case-hardening.

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Robot for automating tempering under a thermo-loire press

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Heat treatment
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Site contacts

Portrait of franck ginet thermi-loire site manager
Franck Ginet
Site Manager
04 77 55 52 30
Franck Ginet's LinkedIn account

    Our certifications

    EN 9100

    EN 9100 certification guarantees the quality management system requirements of the ISO 9001 series, and specifies additional definitions and notes for the aerospace and defense industry.

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    IATF 16949
    logo IATF 16949 certification dedicated to the automotive industry

    The IATF 16949 standard, dedicated to the automotive sector, establishes criteria for quality management processes, encouraging continuous improvement, defect prevention and the reduction of non-conformities and scrap within the automotive supply chain.

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    NADCAP Heat Treating
    logo nadcap heat treating

    NADCAP is an accreditation program for aerospace and defense subcontractors, designed to ensure the quality and reliability of products and services. This accreditation focuses on the special processes employed in the manufacture, testing and maintenance of components and systems used in these industries. Within the THERMILYON Group, NADCAP applies only to the special heat treatment process.

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    ISO 9001

    The ISO 9001 standard, widely recognized throughout the world, helps organizations improve their performance by meeting quality management system requirements and demonstrating a commitment to customer satisfaction.

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    Our latest news

    News from the Thermilyon Group and the heat treatment industry.

    How does vacuum deposition improve resistance to friction and wear?
    In many industrial sectors, component wear remains one of the main causes of reduced performance, premature failure, and additional maintenance costs. Faced with these constraints, the use of vacuum coatings has emerged as a leading technological solution for improving the durability of parts subjected to repeated friction. Thanks to […]
    February 2, 2026
    How does vacuum deposition improve resistance to friction and wear?
    tray containing medical devices made of steel and heat treated
    The role of heat treatment in extending the service life of medical components
    In the medical sector, every instrument, implant, or assembly component must guarantee an impeccable level of reliability. Parts are subjected to demanding conditions: constant contact with the human body, exposure to chemical agents, repeated mechanical stress, and intensive sterilization cycles. To ensure consistent performance over time, it is […]
    January 21, 2026
    The role of heat treatment in extending the service life of medical components
    stainless steel industrial parts, illustrating how heat treatment increases the service life of mechanical parts
    How can heat treatments extend the service life of parts?
    In all industrial sectors, including automotive, aerospace, medical, and tooling, the reliability and durability of mechanical parts are major challenges. During operation, thermal cycles, friction, and corrosion put materials to the test. However, there is a range of proven solutions to sustainably enhance the performance of these components […]
    December 29, 2025
    How can heat treatments extend the service life of parts?
    plastic injection machine
    Plastic injection molding: how to improve the demolding of your parts?
    In the field of plastic injection molding, demolding is a crucial and delicate step. At this stage, even the slightest adhesion between the part and the mold can cause cosmetic defects, deformations, or longer cycle times. These often recurring problems directly impact productivity and tool durability. For […]
    December 18, 2025
    Plastic injection molding: how to improve the demolding of your parts?
    vacuum deposition and coating for the aerospace industry
    Vacuum and high-temperature deposition: what solutions for the aerospace industry?
    The aerospace industry operates in an environment where material performance is a prerequisite for safety. Parts used in engines, turbines or fastening systems have to withstand extreme temperatures, repeated friction and thermal variations, often sudden and cyclical. As part of this quest for reliability, vacuum coatings, and more specifically vacuum treatments, are [...]
    December 4, 2025
    Vacuum and high-temperature deposition: what solutions for the aerospace industry?
    medical production line with components processed in clean oven
    Heat treatment in clean furnaces: a key challenge for the aerospace and medical industries
    In sectors where reliability and safety cannot be compromised, heat treatment plays an essential role. This is the case in the aerospace and medical sectors, where the quality of parts has a direct impact on the performance and safety of users. To meet these requirements, the use of a clean oven [...]
    November 17, 2025
    Heat treatment in clean furnaces: a key challenge for the aerospace and medical industries

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