Welcome to La GTM France. We are established in Denain, close to Valenciennes in France.

Our products and applications are manufactured in France can be found globally in a variety of industries.

We are specialised in heat treatment and processing of long products like steel bars, seamless tubes, carbon and alloyed steel bars.

Additionally, we produce anchoring systems for civil engineering projects with our brand Filtaro.

Our knowledge is based on more than 30 years of experience, research and development. We produce high quality products and are ISO 9001: 2015 certified.  La GTM France is your specialist in heat treatment and finishing of steel bars.
Due to our flexible organisation and on-going investment plans, we are able to meet the increasing demand of our customers.

Contact us if you have any inquiries, we deliver all products according to specific customer requirements.

The surface of our plant is 70.000 m² in total, of which 15.000 m² is covered and 4.000 m² is an outside storage facility with our stock for promt deliveries.

Your Advantages

  • High competences and excellent know how
  • Well developed expertise in diversified value added products
  • Innovativeness for new product and application development
  • Customer specific solutions and specifications for exceptional mechanical properties
  • High quality products
  • High flexibility & short lead times

Heat treatment

La GTM France carries out heat treatment (if needed: heat treatment by induction) involving:

  • Quenching and tempering
  • Annealing (normalizing, softening, GKZ-annealing) with gas or induction.

If necessary, we can offer you the following services after heat treatment: straighteningsawingpeeling/bright steel and controls.


We can carry out these operations:

  • As a subcontractor for customized work
  • As a supplier of finished bars with raw material supplied from selected producers.

 Supplier of rolled and finished steels

In order to meet prompt deliveries and specific requirements from our customers, we keep in stock the following material (bars and tubes) supplied from different selected mills.

  • Carbon and alloyed steels
  • Hot rolled, peeled, annealed, heat treated… according to national and international specifications
Please find an overview of our company and offered products and services in our flyer.

We are pleased about your message

For any questions we are at your disposal