Aluminized steel is steel coated with aluminum, making it stronger, heat-resistant, and corrosion-resistant. There are two types: one coated with a silicon and aluminum combination, and the other with pure aluminum. It combines the benefits of both metals and is used in household appliances, automobiles, and industrial applications. It is cost-effective and can be easily formed into various shapes. It is commonly used in automotive exhaust components, ovens, ranges, heaters, roofing, siding, and air conditioner housings.
Aluminized steel is basically steel that has been specially treated with an aluminum coating to make it stronger and more durable. Many manufacturers claim it has all the best qualities of both aluminum and steel: it’s durable, largely resistant to heat, and won’t corrode under most normal circumstances. There are usually two main types. In the first, the steel sheets are coated with a combination of silicon and aluminum, which helps the materials stick together and improves heat resistance. It is very common in household appliances such as ovens and ranges and in automobiles. The second type is usually simpler, and is made by dipping steel into pure aluminum. Both types result in a close bond between steel plate and aluminum cladding, although pure aluminum cladding is sometimes preferred in situations where there is a lot of exposure to environmental elements, such as in cladding or air conditioning units external.
Productive process
Steel and aluminum are both earth metals that have a number of common applications in the home and in industry. Each has its drawbacks, though; one of the goals of this type of steelworking is to take the greatest benefits of each metal and use them together in a multipurpose composite.
Aluminum, if 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 create an alloy. Formed steel plates or pieces are dipped into the molten solution, then allowed to cool, thus hardening the metals and binding them together.
Two basic types
The so-called “Type 1” aluminized steel is made from a silicon alloy. The exact percentage usually depends on the specific intended use, but typically ranges between 5% and 15%. Silicon promotes the adhesion of the two materials and can also improve the tolerance of the metal at very high temperatures. The second type, “Type 2”, is clad 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 than others.
Main features
Products made of both types have the surface characteristics of aluminum with the strength and economic cost of steel. It comes in a variety of shapes, including tubes and sheet coils, making it very useful in mass production. Carbon coated and stainless steels are also produced in a variety of grades and sizes. When the aluminum-coated versions are formed into sheet, they can easily be stamped, broken, and bent into a wide variety of shapes. Large reels of material can also be cut to smaller or custom sizes, depending on the purpose of production.
Primary benefits
The production cost is generally low compared to that of related materials such as stainless steel. In most applications, however, stainless steel is stronger and more durable than aluminized versions. It is also less susceptible to rust. Stainless steel is often the popular choice for items that require a highly polished look, while aluminized options have a wide variety of uses in common household products. Manufacturers typically choose aluminized versions when utility—the ability to withstand and hold high levels of heat, insulating performance, and resistance to environmental corrosion, to name a few—is of utmost importance.
Uses bigger
There is a wide range of residential, commercial and industrial applications that can make use of both silicone composites and pure aluminum coatings. Automotive exhaust components use this type of coated metal to resist heat and prevent corrosion from constant exposure to the elements. Other popular uses include parts of ovens, ovens, ranges and heaters. Fireplace inserts, water heater parts, and even baking pans are some of the additional manufactured products made for residential use.
Corrugated roofing and siding, grain silos, air conditioner housings, and drying ovens are also often composed of this type of coated steel. The energy, transportation and appliance industries are the main consumers of this specialty steel product. Agriculture, mining, and construction all benefit from aluminized steel products.
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