Pre-painted aluminum coil for sandwich panel

Pre-painted aluminum coil for sandwich panel

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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Supply Capability:: -

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Aluminium is a relatively soft, durable, lightweight, ductileand malleable metalwith 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:What are the different types of surface defects in aluminum coils?: There are several different types of surface defects that can occur in aluminum coils. These defects can arise during the manufacturing process or as a result of handling and transportation. Some common types of surface defects in aluminum coils include: 1. Scratches: These are visible marks or lines on the surface of the coil caused by contact with a sharp object. Scratches can vary in depth and severity, ranging from superficial to deep grooves. 2. Pits: Pits are small, localized depressions on the surface of the coil. They can be caused by corrosion, wear and tear, or impurities in the aluminum material. 3. Streaks: Streaks are long, thin lines or bands that are visible on the surface of the coil. They can be caused by uneven coating application, improper cleaning, or contamination during the manufacturing process. 4. Dents: Dents are depressions or deformations in the surface of the coil caused by impact or pressure. They can occur during handling, stacking, or transportation of the coils. 5. Oxidation: Oxidation refers to the formation of a thin layer of aluminum oxide on the surface of the coil. This can occur naturally over time or as a result of exposure to moisture, air, or certain chemicals. 6. Corrosion: Corrosion is the gradual deterioration of the aluminum surface due to chemical reactions with the environment. It can result in discoloration, pitting, or the formation of powdery or flaky deposits on the surface of the coil. 7. Stains: Stains are visible discolorations or marks on the surface of the coil. They can be caused by various factors such as water spots, oils, lubricants, or other contaminants. It is important to note that surface defects in aluminum coils can vary in severity and impact on the performance and appearance of the final product. Manufacturers and suppliers employ various quality control measures to minimize these defects and ensure that the coils meet the required standards and specifications.

Q:Why there is arc panel after aluminum coil straightening?: The aluminum coil can only become flat and straight after being planished on stretch bender.

Q:How are aluminum coils used in the production of industrial machinery?: Aluminum coils are commonly used in the production of industrial machinery for various purposes. These coils are primarily utilized in the fabrication of heat exchangers, such as condensers and evaporators, due to aluminum's excellent thermal conductivity. Additionally, aluminum coils are used to manufacture air conditioning systems, refrigeration units, and cooling towers, as they offer lightweight and corrosion-resistant properties. They are also employed in the construction of electrical transformers and motors due to their high electrical conductivity. Overall, aluminum coils play a crucial role in the manufacturing of industrial machinery, contributing to enhanced efficiency, durability, and performance.

Q:Are aluminum coils suitable for architectural applications?: 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.

Q:Can aluminum coils be used in high-magnetic field applications?: Yes, aluminum coils can be used in high-magnetic field applications. Aluminum is a non-magnetic material, which means it does not have any magnetic properties. This makes it suitable for use in high-magnetic field applications where the presence of a magnetic field could interfere with the performance or function of the coils. Aluminum coils are commonly used in various industries, including electrical engineering, aerospace, and automotive, where high-magnetic fields are encountered. Additionally, aluminum is lightweight and has good electrical conductivity, making it an ideal choice for applications requiring efficient and lightweight coil designs.

Q:How do aluminum coils perform in high-temperature applications?: Aluminum coils perform exceptionally well in high-temperature applications. Aluminum is known for its excellent heat conductivity and high melting point, allowing it to withstand extreme temperatures without losing its structural integrity. This makes aluminum coils a popular choice for various industries that require heat transfer and dissipation, such as automotive, aerospace, and HVAC systems. One of the key advantages of aluminum coils in high-temperature applications is their ability to efficiently transfer heat. Aluminum has a thermal conductivity that is much higher than other commonly used metals, such as copper or steel. This means that aluminum coils can quickly and effectively transfer heat from one area to another, ensuring efficient heat dissipation and preventing overheating. Additionally, aluminum has a high melting point of 660 degrees Celsius (1220 degrees Fahrenheit), which is significantly higher than many other metals. This allows aluminum coils to withstand high temperatures without deforming, warping, or losing their structural integrity. Their stability at high temperatures makes them suitable for applications where heat resistance is crucial, such as in engine cooling systems or industrial ovens. Furthermore, aluminum coils are lightweight compared to other metals, which is another advantage in high-temperature applications. Their low density allows for easier handling and installation, reducing the overall weight of the system. This is particularly important in industries like automotive and aerospace, where weight reduction is a significant factor for improving fuel efficiency and overall performance. In summary, aluminum coils are highly reliable and perform exceptionally well in high-temperature applications. Their excellent heat conductivity, high melting point, and lightweight properties make them an ideal choice for industries that require efficient heat transfer, heat dissipation, and heat resistance.

Q:Are there any environmental benefits to using aluminum coils?: Yes, there are several environmental benefits to using aluminum coils. Firstly, aluminum is a highly sustainable material as it is 100% recyclable without losing its original properties. This means that using aluminum coils helps reduce the demand for mining and extracting new raw materials, reducing the environmental impact associated with these processes. Additionally, recycling aluminum requires only about 5% of the energy needed to produce primary aluminum, resulting in significant energy savings and reduced greenhouse gas emissions. Moreover, aluminum coils have a longer lifespan compared to other materials commonly used in coils, such as copper or steel. This durability means that fewer coils need to be manufactured and replaced over time, resulting in less waste generation and lower overall environmental impact. Furthermore, aluminum is corrosion-resistant, which eliminates the need for additional treatments or coatings that may contain harmful chemicals. This reduces the release of potentially hazardous substances into the environment during the manufacturing and use of aluminum coils. Lastly, aluminum is lightweight, which contributes to lower transportation costs and energy consumption during distribution. This aspect decreases fuel consumption and associated emissions, reducing the overall carbon footprint of using aluminum coils. Considering these factors, the use of aluminum coils provides significant environmental benefits, including reduced resource extraction, energy conservation, waste reduction, and lower emissions.

Q:How do aluminum coils perform in coastal areas with high salt content?: Aluminum coils generally perform well in coastal areas with high salt content due to their corrosion-resistant properties. The protective oxide layer on the surface of aluminum helps to resist the corrosive effects of salt air and prevent the formation of rust. However, regular maintenance and cleaning are still recommended to ensure optimal performance and longevity of the aluminum coils in such environments.

Q:Are aluminum coils suitable for electrical transformer applications?: Yes, aluminum coils are appropriate for use in electrical transformer applications. Aluminum coils possess several advantages over traditional copper coils when utilized in transformers. To begin with, aluminum is a lightweight metal, making it easier to handle and transport. This is particularly advantageous for large transformers where reducing weight is desired. The lightweight nature of aluminum coils also facilitates easier installation and maintenance. Secondly, aluminum exhibits excellent electrical conductivity, albeit not as conductive as copper. However, aluminum coils can compensate for lower conductivity by employing larger wire sizes or increasing the number of turns. This ensures that the transformer operates efficiently and effectively. Moreover, aluminum has a higher thermal conductivity compared to copper. Consequently, aluminum coils can dissipate heat more efficiently, which is crucial for the proper functioning and longevity of transformers. This increased heat dissipation aids in reducing the transformer's operating temperature, thereby enhancing its overall performance. Furthermore, aluminum serves as a cost-effective alternative to copper. Generally, aluminum is less expensive than copper, making it a more economical option for transformer manufacturers. This cost advantage can be particularly significant in large-scale transformer production. However, it is important to note that there are certain considerations to be mindful of when utilizing aluminum coils in transformer applications. Aluminum coils are more susceptible to oxidation and necessitate proper insulation to prevent corrosion. Additionally, aluminum coils may exhibit slightly higher electrical losses compared to copper coils, although advancements in design and manufacturing techniques have mitigated this concern. In conclusion, aluminum coils are indeed suitable for use in electrical transformer applications. They offer benefits such as lightweight construction, excellent electrical conductivity, superior thermal conductivity, and cost-effectiveness. However, it is crucial to implement proper insulation and preventive measures to address any potential challenges associated with aluminum coils, ensuring optimal performance and durability of the transformers.

Q:I have a mig welder, and I would like to learn to weld aluminum. I have been told that I must buy an aluminum wire spool gun, because the standard mig wire feeder gun will not work with aluminum wire. I don't understand why my standard wire feeder will not work. It feeds wire just like a spool gun. Why do I need to spend money on a spool gun just to weld aluminum? If a spool gun is truly necessary, where can i find one for a reasonable price? Thanks for your help!: NO okorder /

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