How To Form A C Channel In Aluminum Sheet

I can not make thin u channels.

How to form a c channel in aluminum sheet. They are used in the manufacture and repair of commercial and military aircraft. Continental steel offers aluminum 7075 in a variety of sizes and shapes including channels. Next put your wooden or metal form blocks in the vice and clamp your sheet of metal between the forms. C channel sizes chart for steel channels.

By doing so the sheet can be bent or stretched into a variety of complex shapes. Sheet aluminium can be cut without the need for a guillotine or tin snips which tend to deform the metal. C channels are designated by the letter c followed by the nominal depth in inches and the weight in pounds per foot. The sheet metal i am forming is 20 gauge.

The applied force stresses the metal beyond its yield strength causing the material to plastically deform but not to fail. Thus c 7 12 25 designates an american standard c channel with a depth of 7 inches and a nominal. I am using 24 long sheet metal stock cut into 4 thick pieces. C channel sizes chart for dimensions weight and section properties of steel channels.

When i bend both sides 90 degrees i get about a 1 5 inch thick channel which works great. On 1 4 1 2 hard aluminum aluminum c channel aluminum box channel thicknesses can reach up to 250 thick. It is available in the clad form which improves corrosion resistance. If your sheet metal is long ask a friend to stabilize the part hanging out from the form blocks so it doesn t affect the bend.

To bend sheet metal in a vice start by marking a line on the metal where you want to bend it. Aluminum formed channel is an aerospace shape that is formed from an aluminum sheet either roll formed or brake formed. This weakens the aluminium and creates a fracture line. Some coatings can be used however up to 125 thick such as a.

Many different decorative pre coated metals are generally not recommended when more than 030 thickness is required unless larger than normal corner radii can be used. With the aid of a straight edge and a sharp knife score both sides of the aluminium sheet.