Aluminum extrusion is semi-hollow and hollow shapes. It is a process to produce lengths of aluminum with fixed cross-section parts. By extrusion, a very complicated cross-section structure can be the cost-effective solution to create. So it is used to make prototypes and end-parts from aluminum materials by forcing an aluminum billet through a steel die. Aluminum dies are made from steel tools that have geometries and shapes ranging in complexity. The 6061 and 6063 aluminum are our most widely-used aluminum profiles.
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