How are extruded aluminum parts primarily formed?

Extruded aluminum parts are primarily formed by forcing softened aluminum through a die. The extrusion process involves heating aluminum to a malleable state and then using a hydraulic or mechanical press to push it through a die, which shapes the aluminum into a continuous profile. This method allows for the production of complex shapes and sizes with a uniform cross-section, making it ideal for a variety of applications in the automotive and construction industries.

This technique also ensures that the resulting material maintains its strength and structural integrity, as the extrusion process aligns the grain structure of the aluminum in a way that enhances its mechanical properties. By performing this process, manufacturers can create lightweight yet strong components that meet specific design requirements, which is essential in industries like auto manufacturing where weight reduction and strength are critical for performance and safety.