Aluminum coil for roofing
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Aluminium is a relatively soft, durable, lightweight, ductileand malleablemetalwith appearance ranging from silvery to dull gray, depending on the surfaceroughness. It is nonmagnetic and does not easily ignite. A fresh film ofaluminium serves as a good reflector (approximately 92%) of visible lightand an excellent reflector (as much as 98%) of medium and far infraredradiation. The yield strength of pure aluminium is 7–11 MPa,while aluminium alloys have yield strengths ranging from200 MPa to 600 MPa. Aluminium has about one-third the densityand stiffness of steel. It is easily machined,cast, drawn and extruded.
Aluminium alloys (or aluminum alloys; see spellingdifferences) are alloysin which aluminium(Al) is the predominant metal. The typical alloying elements are copper, magnesium,manganese,silicon,tin and zinc. There are twoprincipal classifications, namely casting alloys and wrought alloys, both of which are furthersubdivided into the categories heat-treatableand non-heat-treatable. About 85% of aluminium is used for wrought products,for example rolled plate, foils and extrusions.Cast aluminium alloys yield cost-effective products due to the low meltingpoint, although they generally have lower tensile strengthsthan wrought alloys. The most important cast aluminium alloy system is Al–Si,where the high levels of silicon (4.0–13%) contribute to give good castingcharacteristics. Aluminium alloys are widely used in engineering structures andcomponents where light weight or corrosion resistance is required
Specification:
Alloy: AA1050, 1060, 1100,AA3003, 3005, 3015, 5052, 5754, 5083,8011, etc
Temper:H14/16/18/22/24/32, HO etc.
Thickness:0.2mm—100mm
Width: 100mm—2300mm (Can be slitted)
InnerDiameter: 508MM
Coil Weight:500kg-3000kg(Max.)
Application:Foil stock, Circles, Roofing, Can stock, Marine plate，Anti-slipery purpose in vehicles, packing and appliance.
Features:
1. Excellent quality of products
2. Quick delivery
3. Best service to clients
4. BV,SGS avalible
5. No buckle o waveness
6. Tension leveling
7. Certificate of Origin
8. Form A,E
Packaging Detail:
Carton ,Woodenpallet with plastic protection packing ,standard seaworthy packing or as yourrequest.
ProductionCapacity:
AnnualProduction capacity of 600,000 tons.
Products areexported to United States, Canada, U.A.E, Brazil, Mexico,Thailand, Vietnam,Nigeria etc, over 100 countries andregions all over the world.
Production Line:
CNBM aluminumproduction base is comprised of 18 aluminumannealers, 10 coil and foilmills, 4 continuous production lines, 2hot rolling production line and 3prepainted lines.
FAQ:
1. What is the form of payment?
Normally 30% TT, L/C
2. Type of quotation?
FOB, CFR, CIF
3. Port of loading?
Shanghai port
4. Delivery time?
30 day after client’s deposit
- Q:Using principles of chemical bonding, explain why solid aluminum is a good conductor of electricity but solid aluminum chloride is not. NaCl has a boiling point of 1413 degrees celcius wheras BrCl has a boiling point of 5 degrees celcius. Account for this difference using chemical bonding and molecular structure.
- Pure aluminium is a good conductor because it's atoms are metalically bonded. This means it's electrons are delocalised and can therefore produce a current. NaCl has a high boiling point because in order to evaporate it first needs to melt. And to melt it you need to break it's lattice structure. Na and Cl atoms are held by strong ionic bonds. BrCl on the other hand is covalently bonded. It's molecular structure does not need to be broken in order for it to melt or boil. All that has to be done is weak van der waal bonds need to be broken.
- Q:i used hf acid to clean the rails on my trailer and it left black streaks on the alluminum... uld it be the type of aluminum alloy???
- Aluminum will oxidize. Not like steel though, that forms the red orange rust (iron oxide) that will eventually eat through thin steel. When aluminum oxidizes, it leaves a thin cloudy film on the surface. That's why nice new shiny diamond plate gets dull after being exposed for some time. It can be removed by some chemicals, apparently your hf acid. When the acid breaks down the cloudy oxidize layer, it may turn into a black residue. You'll be left with a clean aluminum surface that will, over time, oxidize and get that cloudy film again. It could also be waste compound of your hf acid etching the surface. Check to see whether the acid you're using will etch or clean an aluminum surface.
- Q:Can aluminum coils be used for outdoor applications?
- Indeed, outdoor applications can utilize aluminum coils. Aluminum, as a material, possesses outstanding versatility and durability, enabling it to endure diverse weather conditions and temperatures. Its resistance to corrosion renders it suitable for outdoor environments that encounter moisture and humidity. Moreover, aluminum coils boast a lightweight characteristic, facilitating their transportation and installation within outdoor settings. Consequently, they find frequent usage in outdoor applications encompassing roofing, siding, gutters, and HVAC systems. Taken together, the strength, corrosion resistance, and longevity of aluminum coils establish them as a dependable option for outdoor applications.
- Q:Aluminum is a metal and nitrate (nitrogen) is a non metal so shouldn't they form an ionic bond and not a covalnt bond? And if it were an ionic bond wouldn't it be called aluminum mononitrate? But it is a covalnt bond (thus a molecular bond and so there is no mono in the name). Pleas help I'm very confused!
- Aluminum Nitrate Ionic Or Covalent
- Q:What is the typical coefficient of friction for aluminum coils?
- The typical coefficient of friction for aluminum coils can vary depending on various factors such as the surface it is in contact with, the presence of lubricants, and the specific conditions of the application. However, aluminum generally exhibits a low coefficient of friction, usually ranging from 0.2 to 0.4.
- Q:What are the production processes of aluminum coil and what are the functions of various industrial furnaces in the production of aluminum? The more detailed, the better. Thank you! Points!
- There are aluminum annealing furnace, aluminum alloy quenching furnace, aging furnace and smelting furnace.
- Q:Are aluminum coils suitable for food and beverage packaging?
- Yes, aluminum coils are highly suitable for food and beverage packaging. Aluminum is a safe and durable material that helps protect the quality and freshness of food and beverages. It is non-toxic, corrosion-resistant, and provides an effective barrier against moisture, oxygen, and light. Additionally, aluminum coils are lightweight, easily moldable, and can be easily shaped into various packaging formats, making it a popular choice for the food and beverage industry.
- Q:What is the difference between hot-rolled and cold-rolled aluminum coils?
- The main difference between hot-rolled and cold-rolled aluminum coils lies in the manufacturing process and the resulting properties of the finished product. Hot-rolled aluminum coils are produced by heating aluminum ingots at high temperatures and then passing them through rollers to achieve the desired thickness and shape. This process makes the aluminum more malleable and allows for greater flexibility in terms of shape and size. Hot-rolled coils are typically larger in size and have a rougher surface finish compared to cold-rolled coils. On the other hand, cold-rolled aluminum coils are manufactured by cooling down the hot-rolled coils and then passing them through rollers at room temperature. This process not only reduces the thickness of the aluminum but also improves its surface finish, making it smoother and more aesthetically pleasing. Cold-rolled coils are typically thinner and have a more consistent thickness compared to hot-rolled coils. The differences in the manufacturing process and surface finish of these two types of coils result in different mechanical properties. Hot-rolled aluminum coils are generally less strong and have lower tensile strength compared to cold-rolled coils. However, hot-rolled coils are more ductile and can be easily formed and shaped without cracking. On the other hand, cold-rolled coils have higher tensile strength and are more suitable for applications requiring greater strength and durability. In summary, hot-rolled aluminum coils are larger, have a rougher surface finish, and are more malleable, while cold-rolled aluminum coils are thinner, have a smoother surface finish, and are stronger. The choice between hot-rolled and cold-rolled coils depends on the specific requirements of the application, such as strength, surface finish, and formability.
- Q:What maintenance is required for aluminum coils?
- Maintenance for aluminum coils typically includes regular cleaning and inspection to ensure efficient performance and longevity. Here are some specific maintenance requirements for aluminum coils: 1. Cleaning: Regularly clean the aluminum coils to remove dirt, dust, and debris that can accumulate on the surface. Use a soft brush or a vacuum cleaner with a brush attachment to gently remove any loose particles. Avoid using abrasive cleaners or brushes that can scratch or damage the surface of the aluminum. 2. Inspection: Periodically inspect the aluminum coils for signs of damage or wear. Check for any bent or dented fins, which can restrict airflow and reduce the coils' efficiency. Look for signs of corrosion, such as discoloration or pitting, as this can affect the coils' performance and lifespan. 3. Coil Protection: Apply a protective coating or sealant to the aluminum coils to prevent corrosion and damage from exposure to moisture, chemicals, or harsh environmental conditions. This can help prolong the life of the coils and maintain their performance. 4. Lubrication: If your aluminum coils are part of a mechanical system, such as an HVAC unit, ensure that any moving parts are properly lubricated. This can help reduce friction and wear on the coils, improving their efficiency and preventing premature failure. 5. Professional Maintenance: Consider scheduling regular professional maintenance for your aluminum coils, especially if they are part of a larger system. HVAC technicians or specialized coil cleaning services can provide a thorough inspection, cleaning, and maintenance to ensure optimal performance and identify any potential issues early on. By following these maintenance practices, you can help extend the lifespan of your aluminum coils, improve their efficiency, and prevent costly repairs or replacements.
- Q:What are the different alloy grades used in aluminum coils?
- There are several different alloy grades commonly used in aluminum coils, including 3003, 5052, 6061, and 7075. These grades have varying levels of strength, corrosion resistance, and weldability, making them suitable for different applications in industries such as automotive, construction, and aerospace.
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Aluminum coil for roofing
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
OKorder Financial Service
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