• Supply aluminum coil products supplier  in China System 1
  • Supply aluminum coil products supplier  in China System 2
Supply aluminum coil products supplier  in China

Supply aluminum coil products supplier in China

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Loading Port:
China main port
Payment Terms:
TT or LC
Min Order Qty:
3 m.t.
Supply Capability:
17 m.t./month

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Aluminium is a relatively soft,durable, lightweight, ductile and 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 light and an excellent reflector (asmuch as 98%) of medium and far infrared radiation. The yield strengthof pure aluminium is 7–11 MPa, while aluminium alloys have yield strengths ranging from200 MPa to 600 MPa. Aluminium has about one-third the density and 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

Supply aluminum coil products supplier  in China


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 ,Wooden pallet with plastic protection packing,standard seaworthy packing or as your request.


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.

Coveredfactories with full 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.


1.     What is the form of payment?

Normally 30% TT, L/C

2.     Type of quotation?


3.     Port of loading?

Shanghai port

4.     Delivery time?

30 day after client’s deposit

Colored aluminum sheets advantages:

The colored aluminum sheet has the advantages of both aluminum and the organic material, having both high mechanical strength of the aluminum plate, good toughness, easy processing performance advantages, but also has an organic polymer coating material is good coloring, decorative, corrosion resistance, can easily punching, bending, deep drawing, welding and other processing, products made of practical, decorative, easy processing and durable. Colored aluminum is widely used in industrial plants, railway stations, airports, stadiums, commercial buildings, homes and other buildings and manufacturing all kinds of home appliances and so on.
Colored aluminum sheet has been widely used in foreign countries, and with the continued rapid growth of China's economic construction over the past decade, Colored aluminum sheet applications and growing demand. Because of its widespread use, easy processing, long service life, light weight (specific gravity is 1/3 of iron), low unit cost, anti-fouling coatings cleaning, beautiful rich color, green and so gradually become Colored aluminum sheet industry the future direction of the market demand for larger.

Q:What is the bending radius for aluminum coils?
The bending radius for aluminum coils can vary depending on several factors such as the thickness and temper of the aluminum, as well as the specific alloy being used. Generally, aluminum coils can be bent to a relatively small radius compared to other materials due to its high ductility and malleability. However, it is important to consult the manufacturer's guidelines or specifications for the specific aluminum coil being used to determine the recommended bending radius. This will ensure that the bending process does not exceed the material's limits and result in undesirable deformation or damage.
Q:What is the expected lead time for manufacturing aluminum coils?
The expected lead time for manufacturing aluminum coils can vary depending on several factors. These factors include the complexity of the coil design, the size and quantity of the coils being manufactured, the availability of raw materials, and the production capacity of the manufacturing facility. In general, the lead time for manufacturing aluminum coils can range from a few weeks to several months. For standard-sized coils with a simple design and readily available raw materials, the lead time is usually on the shorter end of the spectrum. On the other hand, if the coils have a complex design or require specialized materials, the lead time may be longer. Additionally, the production capacity of the manufacturing facility plays a significant role in determining the lead time. Facilities with higher production capacities can typically manufacture and deliver aluminum coils more quickly than those with lower capacities. It is important to consult with the specific manufacturer to get an accurate estimate of the expected lead time for manufacturing aluminum coils. They will be able to assess the specific requirements of the project and provide a timeframe that aligns with those requirements.
Q:What are the potential applications of coil-perforated aluminum coils?
Coil-perforated aluminum coils have a wide range of potential applications due to their unique properties and capabilities. Some of the potential applications of these coils are: 1. Architectural Applications: Coil-perforated aluminum coils can be used in architectural projects for facades, cladding, and sunscreens. The perforations allow for the creation of decorative patterns and designs, while also providing functional benefits such as ventilation and light control. 2. Industrial Applications: These coils can be used in various industrial applications such as filtration systems, soundproofing panels, and heat exchangers. The perforations in the aluminum coils allow for the passage of air, sound, and heat, making them suitable for these purposes. 3. Automotive Industry: Coil-perforated aluminum coils can be utilized in the automotive industry for applications such as radiator grilles, speaker covers, and air vents. The perforations in the coils provide functional benefits like airflow, sound transmission, and aesthetic appeal. 4. HVAC Systems: These coils can be employed in heating, ventilation, and air conditioning (HVAC) systems. The perforations in the aluminum coils allow for improved airflow, which helps in efficient temperature regulation and air distribution within buildings. 5. Acoustic Panels: Coil-perforated aluminum coils can be used in the construction of acoustic panels, which are designed to absorb and reduce sound reflections in spaces like auditoriums, theaters, and recording studios. The perforations in the coils aid in sound absorption and diffusion. 6. Lighting Fixtures: These coils can be incorporated into lighting fixtures to create unique lighting effects. The perforations in the aluminum coils allow light to pass through, resulting in visually appealing patterns and designs. 7. Furniture and Decorative Applications: Coil-perforated aluminum coils can be utilized in the manufacturing of furniture, screens, partitions, and decorative elements. The perforations in the coils add a distinctive aesthetic appeal and can create interesting visual effects. Overall, the potential applications of coil-perforated aluminum coils are diverse and encompass various industries, including architecture, automotive, industrial, HVAC, acoustic, lighting, and furniture. The unique properties of these coils, such as their lightweight, durability, and aesthetic customization options, make them a versatile choice for many different uses.
Q:How are aluminum coils processed to achieve desired mechanical properties?
Aluminum coils are processed using various techniques to achieve the desired mechanical properties. One commonly used method is called annealing. Annealing is a heat treatment process in which the coils are heated to a specific temperature and then cooled slowly. This process helps to reduce internal stresses and improve the metal's ductility and toughness. Another important process is cold rolling. Cold rolling involves passing the coils through a series of rollers at room temperature to reduce their thickness and improve their mechanical properties. This process not only increases the strength of the aluminum but also enhances its surface finish. To further enhance the mechanical properties, aluminum coils can also undergo alloying. Alloying involves mixing the aluminum with other elements like copper, manganese, or magnesium to form specific alloys. These alloys offer improved strength, corrosion resistance, and other desirable properties. Additionally, aluminum coils can be subjected to heat treatments like precipitation hardening. This process involves heating the coils to a specific temperature and holding them there for a certain period, followed by rapid cooling. Precipitation hardening allows the metal's microstructure to form fine particles, which increase its strength and hardness. Lastly, surface treatments such as anodizing or painting can also be applied to aluminum coils to enhance their mechanical properties. Anodizing forms a protective oxide layer on the surface, improving corrosion resistance, while painting provides additional protection and aesthetic appeal. In summary, aluminum coils are processed through techniques such as annealing, cold rolling, alloying, heat treatments, and surface treatments to achieve the desired mechanical properties. These processes can enhance the strength, ductility, toughness, and corrosion resistance of the aluminum, making it suitable for a wide range of applications.
Q:Can aluminum coils be used in automotive manufacturing?
Automotive manufacturing can indeed utilize aluminum coils. Aluminum, a versatile and lightweight substance, presents several advantages within the automotive sector. Frequently employed for fabricating components such as body panels, engine blocks, wheels, and heat exchangers, aluminum's incorporation in automotive manufacturing enhances fuel efficiency by reducing vehicle weight and subsequently minimizing energy consumption. Furthermore, aluminum boasts exceptional resistance to corrosion, rendering it appropriate for deployment in diverse weather conditions. In conclusion, the extensive benefits associated with the utilization of aluminum coils in automotive manufacturing have led to its widespread adoption by numerous car manufacturers.
Q:Can aluminum coils be used in the manufacturing of aircraft parts?
Yes, aluminum coils can be used in the manufacturing of aircraft parts. Aluminum is a lightweight and durable material that is widely used in the aerospace industry due to its high strength-to-weight ratio and corrosion resistance. The coils can be formed and machined into various components such as fuselage skins, wings, and structural frames, making them an ideal choice for aircraft manufacturing.
Q:What are the different thickness options for aluminum coils?
Aluminum coils are available in a wide range of thickness options to cater to various industrial and commercial applications. The thickness of aluminum coils is typically measured in gauge or millimeters (mm). Common thickness options for aluminum coils include: 1. Thin Gauge: Thin gauge aluminum coils are usually between 0.15 mm to 0.4 mm thick. These coils are commonly used for applications that require lightweight and flexible materials, such as packaging, electrical wiring, and insulation. 2. Standard Gauge: Standard gauge aluminum coils range from 0.4 mm to 2.5 mm in thickness. These coils are widely used in industries like construction, automotive, and aerospace for applications such as roofing, cladding, heat exchangers, and structural components. 3. Thick Gauge: Thick gauge aluminum coils are typically above 2.5 mm in thickness. These coils are predominantly used in heavy-duty applications that require high strength, durability, and load-bearing capacity. Examples include shipbuilding, industrial machinery, and large-scale structural frameworks. It's important to note that the availability of specific thickness options may vary depending on the manufacturer and the intended application. Custom thicknesses can also be manufactured to meet specific project requirements.
Q:How are aluminum coils tested for surface hardness?
To ensure the quality and suitability of aluminum coils for various applications, a variety of methods are employed to test their surface hardness. One commonly used method is the Rockwell hardness test. During the Rockwell hardness test, a specified amount of force is applied to the surface of the aluminum coil using either a diamond or hardened steel ball. The depth of the resulting indentation made by the ball is then measured, and a hardness value is determined by comparing the difference in depth before and after the force is applied. This value is then compared to a hardness scale in order to assess the surface hardness of the aluminum coil. Another method utilized is the Brinell hardness test. In this test, a specified force is applied to the surface of the aluminum coil using a hardened steel ball. The resulting indentation's diameter is measured, and a hardness value is calculated based on the applied force and indentation size. This value is then compared to a hardness scale to determine the surface hardness of the aluminum coil. Both the Rockwell and Brinell hardness tests are non-destructive and provide accurate measurements of the surface hardness of aluminum coils. These tests enable manufacturers and customers to ensure that the coils meet the necessary hardness criteria for their intended applications, such as in the automotive or construction industries. By conducting surface hardness tests, any potential issues like brittleness or insufficient strength can be identified and addressed prior to the utilization of the aluminum coils in the production process.
Q:What are the potential applications of laminated aluminum coils?
Laminated aluminum coils have a wide range of potential applications. They can be used in industries such as electrical, automotive, aerospace, and construction. Some specific applications include electrical transformers, heat exchangers, automotive radiators, air conditioning systems, and architectural facades. The lamination process enhances the durability, heat and corrosion resistance, and electrical conductivity of the coils, making them suitable for various demanding environments and applications.
Q:Can the displacement sensor be used for real-time measurement of the aluminum coil thickness?
You are suggested to use eddy current displacement sensor KD2306 to measure aluminum.

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