Aluminium H beam

Metal extrusion is the manufacturing process of choice when producing high volumes of material with a constant cross-section. With the extrusion process, metal material is forced through the shaped opening of a die using high pressure, resulting in an extruded profile. These profiles range from simple shapes like round or rectangular tubes, U- or H-channels, or more complex profiles with multiple internal hollows and external features, such as 80/20 and T-slot framing bar. Extrusion is also standard for wall and window trim as a cosmetic and structural framing component. The raw material typically comes in billet form, which is heated and placed into part of the extrusion press called the container. A die stack sits on the other end of the container, forming the opening, which shapes the material to the desired shape using direct or indirect extrusion methods. The extrusion is then quenched, straightened, sawed to the specified length, and inspected for dimensional consistency and accuracy. Extruded products can easily be post-processed to add features outside the channeled profile.

The extrusion profile can be almost any shape and be either solid or hollow with one or more hollow sections. Extrusions with hollow sections require a multi-part die. The material is forced around piercing mandrels supported in the first die, forming the inner profile. The material separates and then is forced or “welded” back together by the second die, creating the outer profile. The smallest circle that will fit around the profile determines the press size. The larger the circumscribed circle, the larger the extrusion press required. Xometry specializes in extruding aluminum materials, representing roughly 80% of all extruded metal parts. Aluminum extrusions are everywhere, from window casings to handrails to electrical housings.

Our project managers and experts personally review and manually quote each metal extrusion project to ensure we meet your unique needs while providing a fast and easy manufacturing experience.

For high-precision, precise, and complex aluminum extrusion parts with extremely complex geometries, Unparalleled high-precision aluminum extrusion parts manufactured for you at competitive prices with short lead times get an immediate quote.
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