When extruding an aluminium profile, a section of an aluminium billet is pressed with great force through a steel die. The openings made in this die, define the shape of the profile which is produced. ... the aluminium alloy (e.g. EN AW 6063 T6) and. the required surface quality (decorative, industrial). How do you cut led aluminum channels? Use a sharp pair of scissors to cut your LED Strip Lights to a proper length that will fit inside the channels including end caps. When cutting your LED strips be sure to always cut down the given cut line between the two pairs of copper pads. What is the use of Aluminium profile? Industrial purposes: On industry aluminium profiles are used to several purposes where is not too important his stiffness or quality surface, but a combination of both along with other characteristics of the material, such as conductivity, provides a wide variety of uses in industry to this by-product.