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FAQ

What is the formula to calculate the wall thickness of aluminum coil?

Aluminum coil thickness*aluminum coil width*aluminum coil curl*aluminum density (the density of aluminum alloy: 2.73, the density of pure aluminum: 2.71)

like we have seen a disk of aluminum spinning, and a permanent magnet repell the plate because apparently because of temporary hystersis and because the north or south field causes the same in the aluminum, so why wont a plate of ruby do the same thing? Are not all metals, crystals? Perhaps its just too big and difficult a question for you simple huumans,..eh?

Hey, magnets work on iron and steel, but not on non-ferrous metals.

Yes, aluminum coils are suitable for architectural applications. Aluminum is a highly versatile and durable material that is commonly used in the construction industry for various architectural applications. Aluminum coils offer several advantages for architectural use, including their lightweight nature, corrosion resistance, and ability to be easily formed into desired shapes and sizes. These coils can be used in architectural applications such as roofing, cladding, facades, and gutters, among others. Additionally, aluminum coils can be coated with different finishes, providing a wide range of aesthetic options for architects and designers. Overall, aluminum coils are an excellent choice for architectural applications due to their strength, durability, and flexibility.

im doing an a level physics presentation on aluminium and im trying to compare aluminium and copper in electricity pylons.i know that copper will have a better conductance than aluminium becasue it has a lower resitivity but i need to come up with a calculation to prove why aluminium is better for use in electricity pylons? i know its down to aluminium being more lightweight than copper and also much cheaper. But im not sure how to create an calculation to show this?:) any help is greatly appreciated

Copper has lower resistance per unit volume, ie, a 1 cm diameter copper wire has less resistance than a 1 cm aluminum wire. BUT, aluminum is much lighter than Cu for the same diameter. If you used an aluminum wire that weighs the same as the 1 cm diameter copper wire, it would have LOWER resistance. And that is why aluminum is used in power transmission, and also in aircraft, where weight is important. to do this you calculate density resistivity which is (resistivity x density). Here is a partial table: Al 28.2e-9 Ω-m * 2700 kg/m? = 76e-6 Ω-kg/m? Cu 17.2e-9 Ω-m * 8960 kg/m? = 154e-6 Ω-kg/m? Ag 15.9e-9 Ω-m * 10500 kg/m? = 167e-6 Ω-kg/m? Au 22.14e-9 Ω-m * 19300 kg/m? = 427e-6 Ω-kg/m? Zn 68e-9 Ω-m * 7130 kg/m? = 485-6 Ω-kg/m? Fe 100e-9 Ω-m * 7870 kg/m? = 787e-6 Ω-kg/m? Note that Al is half that of Cu.

Certainly, cladding purposes can make use of aluminum coils. The lightweight quality, durability, corrosion resistance, and versatility of aluminum make it a popular choice for cladding. A wide variety of cladding systems, such as curtain walls, rain screens, and facade panels, can be created using aluminum coils. These coils are easy to form, cut, and install, making them a cost-effective and efficient solution for cladding. Moreover, the natural oxide layer of aluminum provides weathering protection and requires minimal maintenance. In conclusion, aluminum coils offer both aesthetic appeal and functional advantages, making them a suitable option for cladding purposes.

Aluminum coils are processed for further fabrication through a series of steps, including cleaning, annealing, leveling, slitting, and recoiling. The cleaning process removes any impurities or contaminants from the surface of the coils. Annealing involves heating and cooling the coils to enhance their ductility and make them easier to work with. Leveling ensures uniform thickness and flatness across the coils. Slitting involves cutting the coils into narrower strips of desired width, while recoiling is done to create smaller coils for specific applications.

Yes, aluminum coils are suitable for lightweight applications. Aluminum is known for its low density and high strength-to-weight ratio, making it an ideal choice for lightweight applications where weight reduction is crucial, such as in the automotive, aerospace, and packaging industries.

The different grades of aluminum used in coil production typically include 1100, 3003, and 5052. These grades vary in terms of their composition and properties, allowing for specific applications and requirements in various industries.