Welcome to La GTM-France. We are established in Denain, close to Valenciennes. 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. 1 crane bridge and 8 cranes (maxi 20 tonnes) as well as 2 forklifts (maxi 3,5 tonnes) are at disposal for handling.

We are specialized in heat treatment of carbon and alloyed steel bars and tubes.

Our knowledge is based on more than 20 years of experience and research. La GTM – France is THE specialist in heat treatment and finishing of steel bars.
Due to a flexible organization and an on going investment plan, we are able to meet the increasing demand of our customers

Heat treatment

La GTM France carries out heat treatment involving:

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

If necessary we can offer after heat treatment: straightening, sawing, peeling 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.

La GTM France: 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 supplied from different selected mills.

  • Carbon and alloyed steels
  • Hot rolled, peeled, annealed, heat treated… according to national and international specifications

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For any questions we are at your disposal