Spanish customers visited the copper extrusion machine

In fact, copper extrusion and aluminum extrusion share many similarities — the production processes and the machinery used are quite alike. However, the heating temperature during the copper extrusion process is different. For pure copper, the typical heating range is 400–500°C; for brass alloys, it's generally 600–750°C. If the heating temperature is too low, it may cause cracking; if it's too high, it can lead to coarse grain structures or severe oxidation.

Additionally, the extrusion die is usually preheated to 200–400°C and coated with graphite, glass powder, or other lubricants. The other stages, such as cooling, stretching and straightening, and surface treatment, are also quite similar to the aluminum extrusion process.