Profiles

Overview

Profiles of a very wide variety of shapes are extruded. They are sometimes called shaped extrusions and, in fact, they could include all the extruded products reviewed in this book. Pipes and tubes could be included but the industry has them classified as a separate category because they represent a major and large market on their own. Profiles are normally shapes that are noncircular or are not symmetrical. However, there are exceptions where a circular or symmetrical extruded product, such as capillary tubing, is usually called a profile. Profiles can be solid, hollow, or a combination of solid and hollow [111, 426].