What is aluminized steel?

Air conditioner housings are usually composed of aluminized steel.

Aluminized steel is basically steel that has been specially treated with an aluminum coating to make it stronger and more durable. Many manufacturers claim that it has all the best qualities of aluminum and steel – it is durable, quite heat resistant and will not corrode under most normal circumstances. There are usually two main types. In the former, the steel sheets are coated with a combination of silicon and aluminum, which helps maintain the materials’ adhesion and improves heat resistance. It is very common in household appliances such as ovens and stoves, and in automobiles. The second type is generally simpler and is made by dipping steel into pure aluminum. Both types result in a strong bond between the steel sheet and aluminum cladding, although pure aluminum cladding is sometimes preferred in situations where there is a lot of exposure to environmental elements, such as on side panels or outdoor air conditioning units. .

Production process

Corrugated coating is usually made of aluminized steel.

Steel and aluminum are earth metals that have many common applications in the home and industry. Each has its disadvantages; one of the goals of this type of steel processing is to take the greatest benefits of each metal and use them together in a multipurpose composite.

Aluminum, when heated to a high enough temperature, will become molten or liquid. Aluminum-clad steel typically starts with liquid aluminum, either alone or mixed with a small percentage of silicon to make an alloy. Blades or formed steel pieces are dipped into the molten solution and then allowed to cool, hardening the metals and bonding them together.

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Two Basic Types

The so-called “Type 1” aluminized steel is made from silicon alloy. The exact percentage usually depends on the specific intended use, but typically ranges between 5% and 15%. Silicon aids the adhesion of the two materials and can also improve the metal’s tolerance at very high temperatures. The second type, “Type 2”, is coated with pure aluminum. In most applications, the two can be used interchangeably, although they may have different cost considerations and may be more efficient for some uses over others.

main features

Products made with either grade have the surface characteristics of aluminum with the strength and cost-effectiveness of steel. It is available in a variety of shapes, including tubes and sheet coils, which makes it very useful in mass production. Stainless and carbon coated steels are also produced in a variety of grades and sizes. When aluminum coated versions are formed into a sheet, they can be easily stamped, broken and bent to assume a wide variety of shapes. Large spools of material can also be cut to smaller or custom sizes depending on the manufacturing purpose.

primary benefits

The production cost is generally low when compared to related materials such as stainless steel. In most applications, stainless steel is stronger and more durable than aluminized versions. It is also less susceptible to rust. Stainless steel is generally the common choice for items that need a very polished look, while aluminized options have a wide variety of uses in common household products. Manufacturers often choose aluminized versions when utility – the ability to withstand and maintain high temperatures, power as an insulator, and resistance to environmental corrosion, to name a few – is of paramount importance.

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Major Uses

There is a wide range of applications for residential, commercial and industrial uses that can make use of silicone compounds and pure aluminum coatings. Automotive exhaust components use this type of coated metal to withstand heat and prevent corrosion from constant exposure to the elements. Other popular uses include oven parts, ovens, stoves and heaters. Fireplace fittings, water heater parts and even baking sheets are some of the additional manufactured products for residential use.

Corrugated roofs and cladding, grain baskets, air conditioning enclosures and drying ovens are often composed of this type of coated steel. The energy, transportation and appliance industries are the biggest consumers of this special steel product. The agriculture, mining and construction industries benefit from aluminized steel products.

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