Full Coloured Painted Aluminum Coil
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
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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)
Inner Diameter: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.
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: How do aluminum coils compare to other types of coils (e.g., copper)?
- The usage of aluminum coils and copper coils is prevalent in multiple industries. While each type has its own pros and cons, it is crucial to understand their relative comparisons. An important distinction between aluminum and copper coils is their conductivity. Copper is renowned for its exceptional electrical and thermal conductivity, making it the preferred choice for applications that necessitate efficient heat transfer. Conversely, aluminum possesses lower conductivity than copper, yet it still conducts electricity and heat effectively. Another factor to consider is cost. Copper is more expensive than aluminum due to its higher demand and limited availability. Consequently, aluminum coils are often chosen as a cost-effective alternative, particularly in applications where the high conductivity of copper is not necessary. In terms of weight, aluminum coils are significantly lighter than copper coils. This attribute facilitates easier handling and installation, leading to reduced transportation and labor costs. The lightweight nature of aluminum coils also renders them suitable for weight-sensitive applications, such as automotive and aerospace industries. In terms of corrosion resistance, copper coils outperform aluminum coils. Copper exhibits high resistance to corrosion, ensuring a longer lifespan and reduced maintenance requirements. Conversely, aluminum is more prone to corrosion, especially in environments with high humidity or exposure to specific chemicals. However, through proper coatings and treatments, aluminum coils can be effectively protected against corrosion. Durability is another crucial aspect to consider. Copper coils are known for their durability and ability to withstand extreme conditions, making them suitable for applications requiring longevity. While aluminum coils may not be as durable as copper, they can still offer satisfactory performance in many applications, particularly when designed and maintained appropriately. In conclusion, aluminum coils and copper coils possess distinct characteristics and advantages. Copper coils offer superior conductivity, corrosion resistance, and durability, albeit at a higher cost. On the other hand, aluminum coils are lighter, more cost-effective, and suitable for various applications. Ultimately, the choice between the two types of coils depends on specific requirements, budget constraints, and environmental factors of the given application.
- Q: Can aluminum coils be used in the production of cookware?
- Certainly, cookware production can involve the utilization of aluminum coils. Aluminum stands out as a favored material for cookware owing to its exceptional heat conductivity and lightweight properties. Employing aluminum coils enables manufacturers to effortlessly mold and fashion cookware into diverse dimensions and contours. Furthermore, aluminum exhibits resistance against rust and corrosion, rendering it appropriate for prolonged kitchen use. Nevertheless, it is crucial to acknowledge that aluminum cookware should possess a non-stick coating or undergo anodization to avert any plausible interaction between the aluminum and food, as excessive aluminum consumption can be detrimental to one's health.
- Q: How are aluminum coils inspected for quality?
- To ensure the quality of aluminum coils, a series of rigorous tests and inspections are conducted. These inspections play a crucial role in meeting industry standards and specifications. Visual inspection is a commonly used method for examining aluminum coils. Trained inspectors carefully scrutinize the coils for visible defects like scratches, dents, or other physical imperfections that could impact the coil's quality. Specialized lighting and magnification equipment are used to achieve a thorough examination. Dimensional inspection is another important method. It involves measuring the dimensions of the coils and comparing them to specified tolerances. This ensures that the coils meet the required size and shape criteria. Coating inspection is also vital. It focuses on examining the aluminum coil's coating for uniformity, adhesion, and thickness. Specialized instruments are used to measure the coating thickness and ensure it meets the specified requirements. Furthermore, mechanical properties such as tensile strength, yield strength, and elongation are tested to evaluate the strength and durability of the aluminum coils. Samples from the coils are subjected to controlled stress, and their response is measured. Lastly, various non-destructive testing techniques are utilized to detect hidden defects or flaws that may not be visible to the naked eye. These techniques include ultrasonic testing, eddy current testing, and dye penetrant testing. They help identify internal defects like cracks or voids that could compromise the quality of the aluminum coils. In summary, a combination of visual inspections, dimensional measurements, coating inspections, mechanical property testing, and non-destructive testing techniques are employed to thoroughly inspect aluminum coils and ensure their suitability for use in industries like construction, automotive, and aerospace.
- Q: How do aluminum coils compare to brass coils in terms of corrosion resistance?
- Aluminum coils generally offer better corrosion resistance compared to brass coils. This is primarily due to aluminum's natural oxide layer that forms on its surface, providing a protective barrier against corrosion. This oxide layer acts as a shield, preventing moisture and other corrosive elements from reaching the underlying metal. In contrast, brass coils are composed of a combination of copper and zinc, which are more susceptible to oxidation and corrosion. While brass coils may also develop a protective patina over time, it is not as effective as the oxide layer on aluminum coils. Therefore, aluminum coils are often preferred in applications where corrosion resistance is critical, such as in marine or coastal environments.
- Q: What are the common methods of joining aluminum coils together?
- Depending on the desired outcome and specific application, there are various ways to join aluminum coils together. One frequently employed technique is welding, which involves melting the edges of the aluminum coils together using heat. Gas tungsten arc welding (GTAW) or gas metal arc welding (GMAW) are some of the techniques used for this purpose. Welding creates a strong and durable joint, but it is time-consuming and requires skilled operators. Another approach is adhesive bonding, where a specially formulated adhesive is applied between the aluminum coils to create a bond. This method is often used for lightweight applications and provides a joint with excellent strength and flexibility. However, it may necessitate surface preparation and curing time for the adhesive to fully set. Mechanical fastening techniques like riveting or bolting can also be utilized to join aluminum coils. Riveting involves inserting a rivet through drilled holes in the coils and deforming it to secure the joint. Bolting, on the other hand, involves using screws or bolts to hold the coils together. Mechanical fastening methods offer a strong joint and are relatively quick to implement, but they may require additional hardware and can create stress concentration points. Another method involves using a crimping or roll forming technique. This technique employs specialized machinery to apply pressure to the aluminum coils, creating interlocking joints or folds. Crimping or roll forming is commonly used in roofing, siding, or gutter systems and provides good strength and weather resistance. However, it may necessitate specific equipment and expertise. To summarize, the common methods for joining aluminum coils include welding, adhesive bonding, mechanical fastening, and crimping/roll forming. Each method has its own advantages and considerations, so the choice should be based on the specific requirements of the application.
- Q: Can aluminum coils be used for food processing equipment?
- Yes, aluminum coils can be used for food processing equipment. Aluminum is a popular material choice for its excellent heat transfer properties, corrosion resistance, and lightweight nature. It is commonly used in the construction of food processing equipment such as heat exchangers, evaporators, and condensers.
- Q: How are aluminum coils tested for surface adhesion?
- To ensure the quality and performance of aluminum coils, various methods are employed to test their surface adhesion. Among these methods is the tape test, where a piece of adhesive tape is firmly applied to the coil's surface and swiftly removed. The amount of coating or paint that comes off with the tape is then evaluated to gauge the adhesion. If excessive coating is removed, it indicates poor surface adhesion. Another approach involves the use of a cross-cut or knife test, whereby a grid pattern is carved into the coil's surface using a sharp blade. The grid is subsequently covered with adhesive tape and swiftly removed. The adhesion is assessed by examining the extent to which the coating or paint is removed from the cut lines. If there is minimal or no removal of the coating, it suggests good surface adhesion. Moreover, the pull-off adhesion test is frequently conducted using specialized equipment. This test entails affixing a device to the coil's surface and applying gradually increasing force until the coating or paint begins to detach. The force required to cause detachment is measured, providing a quantitative measure of the surface adhesion strength. In summary, these testing methods play a crucial role in enabling manufacturers to evaluate the surface adhesion of aluminum coils and ensure compliance with the necessary standards in various industries, such as automotive, aerospace, and construction.
- Q: What are the common fabrication techniques for aluminum coils?
- Aluminum coils can be fabricated using several common techniques, including rolling, annealing, slitting, and coating. The primary fabrication technique for aluminum coils is rolling. This involves passing a continuous strip of aluminum through a series of rollers to gradually reduce its thickness and increase its length. The process can be done hot or cold, depending on the desired properties of the coil. To improve the mechanical properties of aluminum coils, annealing is often used. This heat treatment process involves heating the coil to a specific temperature and then cooling it slowly to relieve internal stresses and increase its ductility. This makes the coil easier to work with during subsequent fabrication processes. For cutting wide aluminum coils into narrower strips, the technique of slitting is employed. This involves passing the coil through sharp rotating knives that make precise cuts along the length of the coil. Slitting allows for customization and the production of coils in different widths, which can be used for various applications. Coating is another commonly used fabrication technique for aluminum coils. It involves applying a protective or decorative coating onto the surface of the coil to enhance its appearance and improve its performance. Various types of coatings, such as paint, anodizing, and powder coating, provide corrosion resistance, durability, and aesthetic appeal. In summary, these fabrication techniques are essential in transforming aluminum into coils that meet specific requirements for industries like construction, automotive, and aerospace.
- Q: Can aluminum coils be used for electrical enclosures?
- Electrical enclosures can indeed utilize aluminum coils. Aluminum, being a lightweight and durable substance, boasts exceptional electrical conductivity and heat dissipation capabilities. Furthermore, it exhibits commendable resistance to corrosion, rendering it appropriate for diverse environmental circumstances. Due to its malleability, aluminum coils effortlessly adopt various shapes and sizes, rendering them highly adaptable for enclosure designs. Moreover, aluminum represents a cost-effective alternative when compared to metals such as stainless steel. Nonetheless, it remains crucial to guarantee adequate insulation and grounding to avert any potential electrical hazards when employing aluminum coils in electrical enclosures.
- Q: 1) From What does aluminium derive its name?2)From which ore is aluminium extracted?3)Which country produces more aluminium than any other?4)An American and French scientist both patented the current process used to produce aluminium, what were there names?5)Who is credited with having been first to produce metallic aluminium?
- 1) From What does aluminium derive its name? Ancient Greeks and Romans used aluminium salts as dyeing mordants and as astringents for dressing wounds; alum is still used as a styptic. In 1761 Guyton de Morveau suggested calling the base alum alumine. In 1808, Humphry Davy identified the existence of a metal base of alum, which he at first termed alumium and later aluminum . The earliest citation given in the Oxford English Dictionary for any word used as a name for this element is alumium, which British chemist and inventor Humphry Davy employed in 1808 for the metal he was trying to isolate electrolytically from the mineral alumina. 2)From which ore is aluminium extracted? Bauxite 3)Which country produces more aluminium than any other? China 4)An American and French scientist both patented the current process used to produce aluminium, what were there names? Hall and Héroult 5)Who is credited with having been first to produce metallic aluminium? Friedrich W?hler
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Full Coloured Painted Aluminum Coil
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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