• Lebronze alloys - Suippes

From casting to machining

Thanks to a multidisciplinary know-how in copper alloys, Lebronze alloys (Ex-Le Bronze Industriel) is at the heart of wide industrial technologies, such as aerospace, shipbuilding, automotive, nuclear or railway.


Specialties of the site:

Semi-continuous casting,



hot stamping,

machining of copper alloys.




History of the site:


Le Bronze Industriel is the first company in France to develop wrought copper structural hardening alloys. Production of both factories (Bobigny and Romainville near Paris), first dedicated to the French national Navy, Aviation and Armaments, have been developed mainly in the Automotive industry.


A new production site is created in Suippes (close to Reims), where more elaborated products such as drawn pipes or machined parts are manufactured.




All the facilities are combined on Suippes.


A fully brand new factory of 20 000 m2 is inaugurated. The same year, another major investment was carried out in a new extrusion press of 5 400 tons in order to face an increasing demand.


The company is taken over by the Dumont’s family.
This is the beginning of a new growth and strategic period for the company.


Le Bronze Industriel acquires 9 industrial sites, Lebronze alloys is created through the integration of the different sites.


On December 1rst, all French companies of the Group merge and are renamed into Lebronze alloys.