Our aluminium processes

From prototyping to mass production, Saint Jean Industries has integrated numerous know-how and technological processes to be able to offer you a wide range of solutions.

Die casting

One of our original businesses that we have developed to meet today’s challenges in terms of mechanical strength, shape complexity and economic attractiveness.

Coulée d'aluminium à Saint Jean Industries SAS

Large-Scale Aluminum die casting

These processes are economically attractive for production runs of 10,000 to 1,000,000 parts per year.

Fonderie basse pression SJI

Low pressure die casting

Atelier fonderie aluminium SJI

Gravity die casting

Fonderie EPGS

EPGS die casting

Exemples de pièces faites à SJI


Exemples de pièces faites à SJI

Our Forge and COBAPRESS™ processes are perfectly suited to the requirements of weight reduction, mechanical strength and design freedom.

Patented technologies

Our patented technologies combine mechanical strength and weight reduction. Our COBADISK and COBAWHEELS processes are combined with the COBAPRESS process to offer high performance rims and brake discs.

Cobadisk SJI

Soudure et pliage aluminium

Machine pour courber une pièce à SJI


6-axis free-form bending

Soudure adobespark


Manual and robotic welding. By friction, laser, MIG and CMT.

Aluminium welding and folding