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Uses of Aluminum

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Aluminum, being the most useful and highly valuable industrial metal, is known for its exceptional property and characteristics. The metal, the element is known for the properties which make it count among those elements which are not that abundant in the Earth’s outer layer.

It is an element which is known for its light weight. Home appliances—the washing machine, dryer, refrigerator and laptop—exist as they are today because of aluminum’s light weight, structural strength and thermal characteristics. Iconic brands stretching from West Bend’s 1970 Presto Cooker to Apple’s iPod, iPad and iPhone share a single, common characteristic: the use of aluminum.

aluminum has widespread applications in various domains, like construction, packaging, transportation, etc., due to its unique properties.
Aluminum is used extensively in the modern world. It has a silvery-white appearance and displays many unusual properties. It has wide applications in different domains, like transport, home décor and accessories, building and construction, etc. No other metal can be used in so many ways as aluminum. Its remarkable and unusual properties have made it possible for this element to find so many widespread uses and applications in various fields, which are described below.
Various Uses of Aluminum in Society

Building and Construction

Approximately one-fifth of the world's total consumption of aluminum is used by the construction industry. Bridges, domes, and roofs of several big structures, like markets, sports complexes, and stadiums make use of aluminum. It suits the cladding, stairways, railings, etc. Its malleable nature and stylish, shiny appearance makes it suitable for home décor items, like window frames, door knobs, railings, grills, curtain bars, as well as artifacts, indoor and outdoor furniture, doors, and interior panels. Aluminum can be cut, welded, bonded, tapered, and joined with other material. It is also used as a cladding to provide insulation for buildings along with stones and bricks. Aluminum scrap, casting, fabricating, pipes, sheets, tubing, tanks, bars, wire, stampings, windows, pins, doors, rods, railings, ladders, shutters, building bridges, skylights, etc., used in commercial buildings are also made up of this metal.

Packaging

Around one-fifth of the extracted aluminum is used in the packaging of foods, beverages, pharmaceuticals, etc. Cans, trays, foils, bottles, thermos, utensils, kettles, refrigerators, toasters, and saucepans are made of this element. Aluminum is used as it keeps the food safe, prevents pathogens from entering the food, and does not affect the taste or smell of the food packed in it. It resists corrosion, repels water, and is non-toxic, which reduces spoilage of food items. In fact, aluminum helps protect the food items stored in it from other harmful elements, and hence, it serves as an excellent packaging material.

Transportation

About a quarter of aluminum is used in transportation. Aircraft carriers, trains, ships, boats, buses, and other motor vehicles make use of aluminum because of its strength and weightlessness. Frames, exteriors, wiring, and electrical systems in airplanes make use of aluminum. Its resistance to corrosion and ability to form alloys with other metals makes it highly efficient to be extensively used in the transportation and automobile industry.

Automobile Industry

The metal is widely used in cars. Aluminum car parts have good thermal and aesthetic properties. These car parts are quite cheap. Few car parts, such as wheels, engine blocks, suspension components, hoods, transmission housings, and wheel spacer bars are made of aluminum. Other parts, such as carburetors housings, handles, few ornaments and logos, brackets, mirrors, air filler adapters, alternator housings, impellers, and fan clutch parts also involve its use. Valve covers are also made of this metal.

Electricity

Electrical equipment, power lines, and electricity make use of about 10% aluminum. Its low density and high ductility is what makes it suitable for the transmission of high voltage electricity over long distances. Power lines of copper are expensive and need extra support structures to support its high electrical conductivity. Aluminum does not require all these, which saves on costs and being resistant to corrosion, it increases its durability. Hence, aluminum is replacing copper in transformers and wiring systems. It can also be used in casings, mountings, fuse boxes, satellite dishes, television sets, household appliances, sound systems, and other communication and electronic equipment.

Some Other Uses

» Many consumer products make use of aluminum, which include household fittings, gas cylinders, containers, bicycles, etc.

» The highly reflective nature of aluminum is useful in making mirrors and heat reflectors.

» Marine equipment, like ship bodies, helipads, handrails, etc., make use of aluminum.

» Baseball bats, tennis racquets, golf clubs, watches, etc., are also made up of this metallic element.

» Super purity aluminum, which is 99.980 to 99.999% pure, is used in CDs and other electronic equipment.

» Many salts and compounds of aluminum are used in manufacturing glass, ceramics, paper, paints, and artificial gemstones. Some countries manufacture coins that are made of aluminum, or its alloy with copper.