Aluminum Properties & Products | Specialty Metal Supply
Cold-working is the most common way to form aluminum . A cold metalworking process is any metal shaping or forming process that takes place at or near room temperature. Aluminum can be shaped into many different products, including chemical equipment, railroad tank cars, fin stock, dials, name plates, cooking utensils, rivets, reflectors and sheet metal. The plumbing and lighting industries also use aluminum , as do a wide variety of other industries.
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Aluminum is among the softest aluminum alloys and therefore is not used for high-strength or high-pressure applications. Though it is often cold-worked, pure aluminum can be hot-worked as well, but more frequently, aluminum is shaped by spinning, stamping and drawing processes, none of which require the use of high heat. These processes produce aluminum shapes in the form of foil, plates, round bars or rods, sheets, strips, and wire. Aluminum can also be welded; resistance welding is possible, but it can be difficult and usually requires the attention of skilled welders. Aluminum is just one of several common aluminum alloys and is soft, low strength and, at 99% min aluminum, is the commercially pure aluminum. Copper, iron, magnesium, manganese, silicon, titanium, vanadium and zinc comprise the remaining elements. It cannot be hardened by heat treatment and is very formable.
aluminium alloy
Aluminium alloy
aluminium alloy is an aluminium-based alloy in the "commercially pure" wrought family ( or 1xxx series). With a minimum of 99.0% aluminium, it is the most heavily alloyed of the series. It is also the mechanically strongest alloy in the series, and is the only -series alloy commonly used in rivets. At the same time, it keeps the benefits of being relatively lightly alloyed (compared to other series), such as high electrical conductivity, thermal conductivity, corrosion resistance, and workability. It can be hardened by cold working, but not by heat treatment.[1]
Alternate designations include Al99.0Cu and A. and its various tempers are covered by the ISO standard and the ASTM standards B209, B210, B211, B221, B483, B491, and B547.[2]
Chemical composition
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The alloy composition of aluminium is:[2]
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- Aluminium: 99.0'99.95%
- Copper: 0.05'0.20%
- Iron: 0.95% max
- Manganese: 0.05% max
- Silicon: 0.95% max
- Zinc: 0.1% max
- Residuals: 0.15% max
References
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Aluminum alloy table
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