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What Is An Extruded Shape?

What Is An Extruded Shape?

An extruded shape is produced by hydraulically forcing a brass, bronze or other metal alloy billet, heated to a semi-plastic state, through a die opening of the desired contour.  Any solid section other than standard rod, bar and wire sections furnished in straight extruded lengths is considered a shape.  Extruded shapes are also known as a profiles, or sections. 

A shape has irregular or unusual cross-sections.  The extrusion process, coupled with the basic nature of brass and related copper alloys, makes possible a great variety of useful shapes.

Extruded shapes offer a component metal part with radii, contours and angles already pre-formed in the extrusion.  This permits reduced scrap, eliminates or reduces machining and results in less labor.  The wrought structure of a brass shape is strong and sound.  The surface, as-extruded, is smooth.  Shapes can be designed to have attractive beauty, or to serve a functional purpose.

For architectural applications extruded shapes are stretch-straightening to achieve commercial straightness and dimensional tolerances. Where straightness tolerances are more critical or the contour of the shape requires it, additional roll-straightening is performed.  Architectural shapes are considered “As –Extruded” and are not cold-drawn to a specific temper.  Architectural shapes are generally furnished in mill lengths of 12 to 16 feet. 


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