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Thermi-Picardie

For over 30 years, THERMI-PICARDIE, a unit of the Thermi Lyon Group, has excelled in the field of heat treatment, meeting the specific needs of the mechanical engineering industries in the Ile-de-France and Hauts-de-France regions, while also being the Group's first company outside the Rhône-Alpes region.

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A multi-processing site for mechanical engineering

Established in Picardy since 1994, THERMI-PICARDIE is based in Saint Maximin, near Creil, and stands out for its initial specialization in tool treatment.

Operating in a diversified market encompassing the automotive, aeronautics, public works and tooling sectors, the plant has adapted and developed into a multi-process unit. The site is ISO-certified for the quality and reliability of its processes, and boasts modern facilities for efficient management of production flows.

THERMI-PICARDIE is also a member of the ASTech aerospace cluster.

Address: ZAET Les Haies 572 rue de Galilée 60740 ST MAXIMIN CREIL

1994

Creation date

2008

Date of first certification

a complete heat treatment offer

THERMI-PICARDIE is renowned for its ability to provide a complete range of heat treatment solutions, including vacuum quenching, gas and ion nitriding, and state-of-the-art controlled atmosphere technologies.

With two separate halls, one dedicated to atmosphere treatment and the other to vacuum treatment, the site offers a complete range of services for mass-produced parts and precision tooling.

This unique positioning enables THERMI-PICARDIE to respond quickly and efficiently to the diverse quality, performance and environmental requirements of its industrial customers.

Vacuum furnace with parts inside at Thermi-Picardie

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Heat treatment

Site contacts

Laurent FLORION

Site Manager

03 44 64 75 90

Our latest news

Find out all the latest news from the Thermi-Lyon Group.

impact of medical certifications on heat treatment

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In the medical sector, every component, every device, every material is subject to stringent requirements. When it comes to heat treatment, these requirements are not limited to surface quality or mechanical resistance. They encompass traceability, process reproducibility and compliance with international standards. This is where [...]

May 7, 2025

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Mechanical components of an electric car

Electric cars have profoundly transformed the automotive industry by rethinking traditional mechanical principles. Unlike internal combustion vehicles, which rely on a combustion engine, these vehicles run on an electric motor powered by a battery. This change has led to a major evolution in the design of mechanical components, which must be adapted to the new [...]

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What does alloy ageing involve?

Alloy ageing is a widespread phenomenon in the metallurgical industry. Whether used in the aeronautics, automotive or other high-tech sectors, metal alloys evolve over time under the effect of various factors such as temperature, mechanical stress and the environment in which they are exposed. This transformation can be beneficial to the [...]

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Focus on press hardening and its advantages

Press-hardening serves a very specific purpose: to prevent part deformation during the rapid cooling phase induced by quenching. This method improves the performance of steels by giving them a martensitic structure, without the need for reworking. Designed for large production runs of parts with complex geometries, [...]

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Focus on martensitic hardening and its advantages

The aim of martensitic hardening is to bring out a specific constituent in steels, called martensite, to make them harder and more resistant to wear and mechanical stress. It is one of the oldest known heat treatments of metals, and is still used today, thanks to its effectiveness and the [...].