Heat Treatment

With over 30 years of experience, Sotrem is a global reference in the heat treatment industry. We offer a comprehensive range of services for aluminum, steel, cast iron and other metals, including annealing, stress relieving, recrystallization, quenching and much more. Our skilled teams use state-of-the-art equipment, including mobile units, to meet the highest standards in the industry.

SOTREM also offers engineering and technical support services for tailor-made solutions, making our many heat treatment furnaces available to you.


Aluminum Melting and Conversion

Our integrated aluminum remelting service is based on our understanding of the industry’s different needs. We can make aluminum pigs (ingots) in different formats, 7 kg ingots or granules. We exceed expectations by covering transportation, metallurgical analysis, processing, preheating and detailed quality reporting. We ensure maximum efficiency with our melting furnaces on continuous operation, including a dedicated Vortex furnace for chip recycling.

At Sotrem, we are not only specialists in remelting, we are also major players in the aluminum market. We buy, sell and trade different types of aluminum, both raw materials and recycled products. Our commitment to sustainability is deeply rooted in our approach, as the aluminum we collect and purchase also feeds into our manufacturing processes.


Sotrem is your trusted partner in metallurgy, offering advanced laboratory services to ensure the quality of your metal materials. Our state-of-the-art equipment and highly qualified team enable us to carry out tensile tests, precise chemical analysis, granulometric analysis and Brinell/Rockwell hardness tests. To meet your most demanding needs in metallurgy. . .

Specialized Services in Aluminum Processing

With over 30 years’ experience in the aluminum smelting sector, our expertise translates into tailor-made services that include the cleaning of siphons and crucibles, crucible dismantling, the recovery and remelting of frozen aluminum inside crucibles and siphons and the sealing of anodic and cathodic assemblies. We can also clean and dismantle metal slabs, gutters and molds.

We can extract and recover aluminum, bath, alumina, or any other contaminant and then return them according to your specific needs, whether in the form of ingots, bulk, or bagged. From the maintenance of siphons to the dismantling of crucibles and refractory equipment, we spare no detail to meet your exact requirements.