Wholesale Aluminum Coil for Casting

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 100 m.t.

Supply Capability:: 100000 m.t./month

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1.Structure of Aluminum Coil for Casting：

Aluminum Master Casting Coil 6-8mm in alloys is used in the factories that produce aluminum coil from 0.2mm to 6mm by thickness. Hot rolled y cold rolled son available. The thickness of Aluminum Casting Coil for thin coil is about 6-8mm. You can choose the alloys as your using and we will do our best to meet your requests.

2.Main Features of the Aluminum Coil for Casting

• Smooth surface

• High manufacturing accuracy

• High strength of extension and yield

• Low tolerance

• Strict quality control

• Well packaged

3. Aluminum Coil for Casting

4. Aluminum Coil for Casting

Cold Rolled

Aluminum Coil for Casting

Hot rolled

Aluminum Coil for Casting

5.FAQ

We have organized several common questions for our clients，may help you sincerely：

① What is the MOQ of Aluminum Coil for Casting

Usually the MOQ is 150 tons, but we also can make solution according to clients’ situation.

②How about your company？

A world class manufacturer & supplier of aluminum coil and alloy blanks. Aluminum production base is comprised of 18 aluminum annealers, 10 coil and foil mills, 4 continuous production lines, 2 hot rolling production line and 3 prepainted lines.

Export 5000 tons per month to Asia, America and Middle East. Always do the best for our clients.

③Can you guarantee the quality of the products？

We are responsible for the quality of materials in a reasonable period of time to get a long-term cooperation with clients and we are glad to arrange and coordinate any third party inspection for you.

④What is the delivery time after purchase?

15 day with normal specification after receiving client’s deposit or correct LC

Q:Are there any limitations to the maximum coil diameter of aluminum coils?: There exist limitations on the maximum coil diameter of aluminum coils. Factors such as the type and thickness of the aluminum, the coiling equipment, and the intended application of the coil determine the maximum coil diameter. Thinner and more ductile aluminum alloys generally allow for larger coil diameters. However, maintaining the structural integrity of the coil and preventing deformation, wrinkling, or damage during handling and transportation becomes increasingly challenging as the coil diameter increases. Moreover, the coiling equipment may have its own restrictions on the maximum diameter it can handle. Hence, it is crucial to take these factors into consideration when determining the maximum coil diameter for aluminum coils.

Q:The company wants to produce an aluminum coil production line, which is better for large aluminium smelting equipment?: Dongpu heat well, they have the qualification certificate issued by the state kiln construction, as far as I know, their melting furnace Aluminum Alloy 'plan is very good, and the operation is simple and safe, feel good, can be wiped off

Q:Are aluminum coils resistant to abrasion?: Yes, aluminum coils are generally resistant to abrasion. Aluminum is known for its durability and ability to withstand wear and tear. It has a high strength-to-weight ratio and excellent corrosion resistance properties, making it suitable for various applications where abrasion resistance is required. Additionally, aluminum coils are often coated or treated with protective finishes, further enhancing their resistance to abrasion. However, the specific level of resistance may vary depending on the specific alloy and the surface treatment applied to the coils.

Q:Can aluminum coils be used in vacuum applications?: Yes, aluminum coils can be used in vacuum applications. Aluminum is a common choice for vacuum systems due to its low outgassing properties, high thermal conductivity, and resistance to corrosion. It is suitable for various vacuum applications such as cooling, heating, and heat transfer.

Q:How are aluminum coils processed for specific thicknesses?: Aluminum coils are processed for specific thicknesses through a series of manufacturing steps. The process begins with the casting of molten aluminum into large ingots. These ingots are then rolled out into thin sheets using a hot rolling mill. The first step in achieving the desired thickness is hot rolling. The aluminum sheet is passed through a series of heated rollers that gradually reduce its thickness. This process is repeated multiple times, with the sheet being reheated between each pass. Hot rolling allows for the sheet to be elongated and thinned out. After hot rolling, the sheet may undergo a process called cold rolling. Cold rolling involves passing the hot rolled sheet through a set of cold rollers. This process further reduces the thickness and improves the surface finish of the aluminum. Cold rolling also increases the strength and hardness of the material. Next, the sheet is annealed, which involves heating it to a specific temperature and then allowing it to cool slowly. Annealing helps to relieve any internal stresses and improve the overall ductility of the aluminum. Once the desired thickness is achieved, the aluminum sheet is typically cut into coils using a slitting machine. The coils can then be further processed or used in various applications, such as in the manufacturing of automotive parts, packaging materials, or building construction. Overall, the process of processing aluminum coils for specific thicknesses involves hot rolling, cold rolling, annealing, and slitting. These steps ensure that the aluminum sheet meets the required thickness specifications and is ready for further use in various industries.

Q:Can aluminum coils be used in the production of solar panels?: Aluminum coils are indeed suitable for the production of solar panels. Being a lightweight and durable material, aluminum brings numerous advantages to the manufacturing process. Its high conductivity and exceptional thermal properties enable efficient dissipation of heat. Furthermore, aluminum exhibits resistance to corrosion, a vital characteristic for solar panels as they encounter diverse weather conditions. Moreover, the cost-effectiveness of aluminum makes it a favored option in the solar industry. By employing aluminum coils in solar panel production, the performance, durability, and cost-effectiveness of these panels are greatly improved.

Q:What are the common surface defects found in aluminum coils?: Common surface defects found in aluminum coils include scratches, pits, dents, stains, oil spots, and surface roughness. These defects can occur during the manufacturing process or due to external factors like handling and transportation.

Q:What are the typical thickness tolerances for aluminum coils?: The typical thickness tolerances for aluminum coils can vary depending on the specific manufacturing standards and requirements of the industry. However, in general, the thickness tolerances for aluminum coils range from +/- 0.001 to 0.005 inches. These tolerances ensure that the thickness of the aluminum coils remains within acceptable limits to meet the desired specifications and applications. It is important to note that the specific tolerances may differ based on the intended use of the aluminum coils, such as for architectural, automotive, or aerospace purposes.

Q:Can aluminum coils be anodized?: Indeed, it is possible to anodize aluminum coils. Anodizing, an electrochemical technique, enhances the existing oxide layer on the aluminum's surface, rendering it denser, sturdier, and more resistant to corrosion. This particular process finds widespread usage in aluminum sheets, plates, and coils. Anodizing can be effectively employed on both flat and shaped aluminum coils, imparting them with a plethora of appealing hues and finishes. Furthermore, the anodized coating significantly improves the aluminum's capacity to accommodate paint and adhesives, thereby rendering it a highly sought-after option for numerous applications, including architectural cladding, automotive trim, and electronic components.

Q:How are aluminum coils annealed?: Aluminum coils undergo a heat treatment process called annealing, which is typically used to soften the metal and enhance its ductility. This process involves heating the coils to a specific temperature and gradually cooling them. To start the annealing of aluminum coils, thorough cleaning is required to eliminate any impurities. Then, the coils are placed in a furnace that is heated to the desired temperature. The duration and temperature of the annealing process depend on the specific grade and thickness of the aluminum being treated. Once the coils reach the desired temperature, they are maintained at that level for a specific period. This allows the internal structure of the aluminum to become more uniform and relieves any internal stresses that may have occurred during manufacturing. After completion of the annealing process, the coils are slowly cooled within the furnace. This gradual cooling is crucial to prevent the development of new internal stresses. Once the coils reach room temperature, they are ready for further processing or utilization. In some instances, an additional process called quenching may follow annealing. Quenching involves rapidly cooling the aluminum by immersing it in a medium like water or oil. This can further enhance the mechanical properties of the aluminum, such as its strength and hardness. Overall, the annealing process for aluminum coils is a meticulously controlled heat treatment that aims to enhance the metal's properties and make it more suitable for various applications.

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