Tubing can be round, square or rectangular and is used in a huge variety of industries, from furniture components to machine parts, and everything in between.
The manufacture of aluminum tube starts with what is called an aluminum slug or blank. It is fed into a set of tools in the die which then extrude it. This extrusion press then roughly forms a completed tube form.
The next step is to trim the tube to the specified length on both the top and bottom ends. At this point, the tube is threaded which enables us to screw on the cap. During extrusion, aluminum becomes work hardened so during the next step, it is passed through a process which makes the metal malleable. This is done at about 460 degrees centigrade.
The next step, which is used primarily in the pharmaceutical industry, is the spray application of an internal lining. This acts as barrier protection for metal sensitive products between the exposed aluminum and the pharmaceutical, or other product, to be packaged.
· 2024 Aluminum tube is often used in structural applications, such as motor sports and the aircraft industry, or anywhere where a high strength-to-weight ratio is required. It is often used for bolts, wheels, gears and shafts because it is non magnetic and heat-treatable resistance to stress cracking. It is also non-magnetic and above average corrosion resistance. It has good machinability and is excellent for welding.
· 7075 Aluminum tube – 7075 is a zinc and copper alloy very popular in the aerospace industry due it its superior strength, but lightweight construction.
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