• Full-coloured rolled coil System 1
  • Full-coloured rolled coil System 2
Full-coloured rolled coil

Full-coloured rolled coil

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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: 0.2mm100mm

Width: 100mm2300mm (Can be slitted)

Inner Diameter:508MM

Coil Weight:500kg-3000kg(Max.)

Application:Foil stock, Circles, Roofing, Can stock, Marine plateAnti-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.


Production Capacity:

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 days after client’s deposit


Q:What are the properties of aluminum coils?
Aluminum coils possess several key properties that make them highly sought after in various industries. Firstly, aluminum coils have a high strength-to-weight ratio, meaning they are lightweight yet durable. This characteristic makes them ideal for applications where weight reduction is crucial, such as in the aerospace industry. Additionally, aluminum coils exhibit excellent corrosion resistance. The formation of a thin, protective oxide layer on the surface of the metal helps prevent further oxidation, making them suitable for outdoor and marine environments. This corrosion resistance also translates to a longer lifespan, reducing maintenance requirements and costs. Another important property of aluminum coils is their high thermal conductivity. This feature allows for efficient heat transfer and makes them well-suited for applications in the heating, ventilation, and air conditioning (HVAC) industry. Furthermore, aluminum coils have excellent electrical conductivity, making them favorable for use in electrical and electronic components. Aluminum coils are also highly malleable and ductile, allowing for easy shaping and forming. This versatility makes them a popular choice in manufacturing processes, such as in the production of automobile parts, cans, and packaging materials. Lastly, aluminum coils are known for their recyclability. They can be easily melted down and reused without compromising their quality, making them an environmentally friendly choice. This recyclability aspect aligns with the increasing focus on sustainability and reducing the environmental impact of various industries. In summary, aluminum coils possess properties such as high strength-to-weight ratio, corrosion resistance, thermal and electrical conductivity, malleability, and recyclability. These properties make them valuable in numerous applications across various industries.
Q:How do aluminum coils contribute to energy-efficient appliances?
Enhancing the energy efficiency of appliances is a key role played by aluminum coils. The utilization of aluminum in the form of coils enables efficient transfer of heat, which is vital for appliances that require cooling or heating mechanisms. To begin with, the thermal conductivity of aluminum coils is exceptional. This implies that they can rapidly absorb and dissipate heat, resulting in more efficient cooling or heating procedures. This is particularly significant in appliances like refrigerators, air conditioners, and heat pumps, where effective heat transfer is crucial for maintaining the desired temperature. In addition, aluminum coils are lightweight yet durable, making them an ideal option for energy-efficient appliances. The lightweight nature of aluminum reduces the overall weight of the appliance, leading to lower energy consumption during transportation and installation. Furthermore, the durability of aluminum ensures a longer lifespan for the appliance, reducing the need for frequent maintenance or replacement. Furthermore, aluminum exhibits high resistance to corrosion, a common issue in appliances that come into contact with water or moisture. By incorporating aluminum coils, manufacturers can ensure the longevity and reliability of the appliance, thereby contributing to energy efficiency by minimizing the need for repairs or replacements. Lastly, aluminum is a highly recyclable material. The use of aluminum coils in appliances promotes sustainability and reduces the environmental impact. By opting for energy-efficient appliances that integrate aluminum coils, consumers can support the circular economy and contribute to a more sustainable future. In conclusion, aluminum coils significantly contribute to the energy efficiency of appliances. Their exceptional thermal conductivity, lightweight yet durable nature, corrosion resistance, and recyclability make them an ideal choice for enhancing the performance and sustainability of energy-efficient appliances.
Q:Are aluminum coils susceptible to warping or bending?
Yes, aluminum coils are susceptible to warping or bending due to their relatively low strength and flexibility.
Q:How do aluminum coils contribute to sustainable packaging?
Aluminum coils play a significant role in promoting sustainable packaging practices. Firstly, aluminum is an infinitely recyclable material, meaning it can be recycled repeatedly without losing its properties or quality. This feature enhances the sustainability of packaging as it reduces the need for extracting and processing virgin materials, thereby conserving natural resources and minimizing the environmental impact associated with mining and production. Moreover, aluminum coils offer exceptional barrier properties, effectively protecting the packaged goods from external factors such as moisture, light, and oxygen. This barrier function helps to extend the shelf life of products, reducing food waste and preventing the need for additional packaging or preservatives. By keeping products fresh for longer periods, aluminum coils contribute to sustainable packaging by supporting efforts to combat food loss and promote resource efficiency. Furthermore, aluminum is lightweight, making it an ideal material for packaging. Its low weight allows for reduced transportation costs and energy consumption during shipping, contributing to overall carbon emissions reduction. The lightweight nature of aluminum coils also makes them convenient for end consumers, reducing the environmental impact associated with disposal and recycling. Additionally, aluminum is highly durable and resistant to corrosion, ensuring the integrity of the packaging throughout its lifecycle. This durability means that aluminum coils can be reused or repurposed, further reducing waste and extending the material's lifespan. In summary, the use of aluminum coils in packaging promotes sustainability in multiple ways. It contributes to a circular economy by being infinitely recyclable, reduces food waste through effective barrier properties, lowers carbon emissions through lightweight design, and encourages reuse and repurposing due to its durability. By incorporating aluminum coils into packaging solutions, we can make significant strides towards achieving a more sustainable and environmentally friendly packaging industry.
Q:How are aluminum coils cut to length?
Aluminum coils are typically cut to length using specialized machinery such as slitters or cut-to-length lines. These machines use sharp circular blades or shearing mechanisms to accurately and precisely cut the coils into desired lengths. The process involves unwinding the coil, passing it through the cutting mechanism, and then rewinding the cut pieces.
Q:What is the weight of an average aluminum coil?
The weight of an average aluminum coil can vary depending on its dimensions and thickness. However, a typical aluminum coil can weigh anywhere between 1,000 to 10,000 pounds (450 to 4,500 kilograms).
Q:What are the common surface finishes for aluminum coils in the aerospace industry?
Some common surface finishes for aluminum coils in the aerospace industry include anodizing, chromate conversion coating, and primer coating. Anodizing is a process that creates a protective oxide layer on the surface of the aluminum, providing enhanced corrosion resistance and durability. Chromate conversion coating, also known as chemical film coating, forms a thin layer on the aluminum surface that provides corrosion resistance and improves adhesion for subsequent coatings. Primer coating is typically applied on top of anodizing or chromate conversion coating to provide additional protection and enhance the adhesion of subsequent paint layers. These surface finishes are important in the aerospace industry as they help to protect the aluminum coils from corrosion and ensure their longevity in harsh environments.
Q:i dont want aluminum cookware, but how about a stainless steel set with an aluminum core. Is this the same as aluminum pots and pans? Thanks.
The aluminum is encased in the stainless steel, usually as a thick disk in the bottom. It is an excellent conductor of heat and holds the heat well once it gets hot. All you see is the stainless, none of the aluminum because it's between two layers of stainless in the bottom of the pots. You are right, you don't want food cooked in straight aluminum, some metal taste can transfer to certain foods. That won't happen with stainless.
Q:How are aluminum coils used in the production of electronic devices?
Aluminum coils play a crucial role in the production of electronic devices. They are commonly used as the primary material for manufacturing the internal components of electronic devices such as transformers, inductors, and electromagnets. These coils are made by winding aluminum wire around a core, creating a compact and efficient conductor for electrical currents. In transformers, aluminum coils are utilized to transfer electrical energy between two or more circuits. These coils enable voltage transformation by utilizing electromagnetic induction, where a varying current in one coil induces a voltage in another coil. This process is vital in stepping up or stepping down voltage levels, allowing efficient power distribution in electronic devices and electrical systems. Inductors, another essential component in electronic devices, are made using aluminum coils. An inductor resists changes in electrical current and stores energy in its magnetic field. Aluminum coils provide low resistance, high conductivity, and can handle high-frequency currents, making them ideal for inductor applications. They are used in various electronic devices such as power supplies, speakers, and filters to control current flow and regulate voltage. Additionally, aluminum coils are employed in the production of electromagnets, which are widely used in electronic devices. Electromagnets are created by passing an electric current through a coil to generate a magnetic field. Aluminum coils are preferred due to their lightweight nature and good thermal conductivity, allowing efficient heat dissipation in high-power applications. Furthermore, the use of aluminum coils in electronic devices offers advantages such as cost-effectiveness, lightweight construction, and excellent electromagnetic properties. The lightweight nature of aluminum enables the production of compact and portable electronic devices, making them more convenient for users. Moreover, aluminum's high thermal conductivity ensures efficient heat dissipation, which is crucial for preventing overheating and maintaining the proper functioning of electronic devices. In conclusion, aluminum coils are extensively used in the production of electronic devices for various applications such as transformers, inductors, and electromagnets. Their excellent electrical conductivity, lightweight construction, and thermal conductivity make them an ideal choice for efficient and reliable performance in electronic devices.
Q:Are aluminum coils suitable for food storage containers?
Yes, aluminum coils are suitable for food storage containers. Aluminum is a non-toxic and non-reactive metal that is safe for storing food. It is lightweight, durable, and has excellent temperature retention properties, making it a popular choice for food storage containers.

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