• Cold Casting Aluminum Mill Finish Rolls for Roofing Sheet Coils System 1
Cold Casting Aluminum Mill Finish Rolls for Roofing Sheet Coils

Cold Casting Aluminum Mill Finish Rolls for Roofing Sheet Coils

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Cans cover (ring) pre-coated plates
First, the raw materials
Aluminum lid and pull the main substrate of aluminum from the southwest andNanshan Aluminum, the use of aluminum-magnesium alloy 5182H19, 5052H19. Itsproducts in the normal substrates of manganese and magnesium components addedto increase the tensile strength and elongation. Han and the lotion by theGerman food-grade chrome HD agent, the United States PPG epoxy phenolicpackaging coatings, and high-end DOS oil
Second, applications
Division I professional production of DOS card and aluminum cans with a coatingfor cans of the lid and pull the coated aluminum is widely used in beverage,beer, rice pudding, tea, cigarettes, cans and other products packaging. U.S.imports of food ash using electrostatic spray wax, cut by large waves, transverseshear, longitudinal easily processed into the system covered the pre-coatedaluminum manufacturers. Depending on the system covers equipment can makeweight and volume of different specifications to meet customer requirements.
Third, the application prospect
Cans of food packaging as lightweight, unbreakable, easy to carry transportcharacteristics, cans packaged foods will gradually replace the glass packagingfood. As China'seconomy continues to strengthen, improve people's living standards, consumptionwill be more and more cans, cans will be growing timber. Therefore, cans withthe amount of pre-coated aluminum coil will be more and more broad prospects.

Alloy & specification

Alloya

Coated panel,strip status

Status

Aluminum thicknessa t/mm

Aluminum Specificationa /mm

Aluminum coil specificationa /mm

Width

length

width

Steeve Φ

50525182

H46H48H49

H18H19

H36H38H39

0.22≤t≤0.50

5001600

5004000

201600

300350

405505

a.Other alloy, specification of material can be  negotiated

Aluminum thickness

Aluminum thickness

Thickness  tolerance±

0.220.30

0.005

0.300.50

0.008

Width and Length

Alloy

Aluminum panel&coil length tolerance/mm

Aluminum Panel & coil width  tolerance/mm /mm

Pop top

Pop can cover

Length≤2000

Length  >2000

width≤100

width  >100

width≤1000

width  >1000

5052

5182

+1

0

+2

0

±0.2

+1.5

0

+1.0

0

+1.5

0

Dynamic features

Alloy

Status

thicknesst/mm

Room   temperature tensile test results

Tensile strength

Rm/MPa

non-proportional   extension strengthRp0.2/MPa

elongationA50mm /%

5052

H36

0.220.30

255305

200

2

0.300.50

255305

200

3

H18H38

0.220.30

270

210

2

0.300.50

270

210

3

H19H39

0.220.30

290

220

2

0.300.50

290

220

3

5182

H36

0.220.30

265340

270

3

0.300.50

265340

270

4

H18H38

0.220.30

330

285

3

0.300.50

330

285

4

H19H39

0.220.30

340

295

3

0.300.50

340

295

4

Coating function

Suppliershould ensure DOS oil of pop can cover is up to 510mg/m2/side, and coating surfaceshould be with even wax which is up to 40100mg/m3/side  

Food and packing industry pop can covercoating aluminum panels’ features:

Function

Coating  weightg/m2

Deviation  of coating

T Bend

MEK

High  temperature sterilization

S

Resist-ance

Acid  resista-nce

Adhe

-sion

Pop  can Cover

Outer  coating

36

≤10

≤2

50

See  Note.1

-

-

1

Grade

Inner  coating

1013

≤10

≤2

-

See  Note.1

See  Note.2

See  Note3

1

Grade

Pop  can tab

2  sides coating

36

≤10

≤2

50

See  Note.1

-

-

1

Grade

Note

1  After121℃,30min distillInternal and external coating without  white, loss of light, peeling, and shedding.

2 After121℃,30min S corrosionInternal and external coating without  white, loss of light, peeling, and shedding.

3  After121℃,30min acid erosionInternal and external coating without  white, loss of light, peeling, and shedding.

Appearance

The surface of the pop cans cover coatingdoes not allow defects such as air bubbles, scratches, missing coating,over-burning, oil spots, stains, streaks, color, piebald, roller printing,embossing, periodic prints, chemical liquid etc which impact users.

Each coil allowed a joint which does notallow loose layer or dislocation, the joint can only be overlapped, which needto make the mark in the end, and each batch coil of joint  is not morethan 10% of the total number of coils.

Services

Supporting services: Offering semi-finishedproducts & OEM services


Q: This question asks for a comparison of various types of equipment used for welding aluminum coils, highlighting their distinct features and applications.
<p>Aluminum coil welding equipment varies based on technology, power source, and application. TIG (Tungsten Inert Gas) welders are known for high-quality welds and are ideal for thin aluminum coils. MIG (Metal Inert Gas) welders are versatile and suitable for thicker coils, offering faster welding speeds. Stick welders are more portable and cost-effective but produce lower quality welds. Laser welders provide precise, deep penetration welds suitable for high-precision applications. Friction stir welding is a solid-state process that offers excellent joint properties without melting the metal. Each type has its advantages and is chosen based on the specific requirements of the welding task, such as material thickness, weld quality, and production rate.</p>
Q: This question is asking for a comparison of various types of aluminum coils, highlighting their unique characteristics and uses.
<p>Aluminum coils are differentiated by their thickness, alloy composition, surface treatment, and temper. Common types include 1000 series coils with high purity, 3000 series known for formability, 5000 series for corrosion resistance, and 6000 series for strength. Thickness varies from thin gauges used in packaging to thick ones for construction. Surface treatments can include anodizing, painting, or lacquering for enhanced properties. Temper refers to the hardness and strength, with 'H' for hard and 'O' for soft tempers. Each type serves specific industries, such as automotive, aerospace, construction, and packaging.</p>
Q: How are aluminum coils used in the production of signage and displays?
Due to their versatility, durability, and cost-effectiveness, aluminum coils find extensive use in the manufacturing of signage and displays. These coils are typically composed of high-quality aluminum alloy, which provides excellent strength and resistance against corrosion. To achieve the desired thickness and shape, the production process starts by unwinding the aluminum coils and passing them through a series of rollers. This process, known as coil coating or pre-painting, allows for the application of various finishes and coatings onto the aluminum's surface. The type of coating used, such as polyester, polyurethane, fluorocarbon, or acrylic, depends on the specific requirements of the signage or display. After the coating process, the aluminum coils can be further processed into different forms, including flat sheets, strips, or custom shapes based on the design specifications. Aluminum's versatility enables easy fabrication and customization, which makes it a popular choice among signage and display manufacturers. Aluminum coils are widely employed in various signage applications, such as billboards, outdoor advertising panels, trade show displays, store signage, and architectural signage. The lightweight nature of aluminum simplifies transportation and installation, reducing production and installation costs. Furthermore, the durability of aluminum ensures that signage and displays made from aluminum coils can withstand harsh weather conditions, UV radiation, and other environmental factors, making them suitable for both indoor and outdoor applications. Aluminum's resistance to corrosion also contributes to the long-lasting quality of the signage, allowing it to maintain its appearance and functionality over time. Apart from its physical properties, the aesthetic appeal of aluminum is another reason for its extensive use in signage and displays. The smooth and reflective surface of the metal provides an attractive finish that enhances the visual impact of the signage, effectively capturing attention and conveying messages. In conclusion, aluminum coils are essential in the production of signage and displays due to their versatility, durability, cost-effectiveness, and aesthetic appeal. The ease of customization, combined with the resistance to corrosion and harsh environmental conditions, makes aluminum an ideal material for creating visually striking and long-lasting signage and display solutions.
Q: Can aluminum coils be used in the production of electronic components?
Yes, aluminum coils can be used in the production of electronic components. Aluminum is a commonly used material due to its lightweight, conductivity, and corrosion resistance properties. It is often used in electronic devices such as capacitors, inductors, and transformers.
Q: What are the different types of protective coatings for aluminum coils?
Aluminum coils can benefit from various protective coatings to boost their durability and lifespan while safeguarding against environmental elements. 1. Polyester Coatings: With their exceptional UV ray and weather resistance, polyester coatings are widely utilized for aluminum coils. They offer vibrant color retention and a broad spectrum of color options, making them ideal for applications where aesthetics matter, such as in architecture. 2. Polyvinylidene Fluoride (PVDF) Coatings: Renowned for their exceptional resistance against fading, chalking, and chemical exposure, PVDF coatings are suitable for harsh environments. They exhibit high weatherability and can withstand extreme temperatures, making them commonly used in industrial and commercial settings. 3. Epoxy Coatings: Epoxy coatings present robust adhesion and excellent corrosion resistance. They act as a protective barrier against moisture and chemicals, making them well-suited for applications where the coils may encounter harsh conditions, particularly in marine and industrial settings. 4. Acrylic Coatings: Acrylic coatings offer good adhesion and flexibility. They provide moderate weather resistance and can be easily applied and repaired. Acrylic coatings find applications in various sectors, including automotive and general industrial uses. 5. Polyurethane Coatings: Polyurethane coatings showcase outstanding resistance to abrasion, chemicals, and weathering. They offer exceptional durability and are commonly employed in demanding applications where the coils may face harsh conditions or heavy wear. 6. Silicone Coatings: Silicone coatings boast remarkable resistance to extreme temperatures and UV exposure. They exhibit excellent weatherability and can endure prolonged exposure to sunlight without degradation. Silicone coatings are frequently utilized in automotive parts and outdoor equipment. The selection of the appropriate protective coating should be based on the specific requirements of the aluminum coils and the intended application. Factors to consider include the desired level of protection, appearance, and the environmental conditions to which the coils will be exposed.
Q: What are the surface treatment options for aluminum coils?
There are multiple choices when it comes to surface treatments for aluminum coils, depending on specific needs and desired outcomes. Some commonly used options are as follows: 1. Anodizing: This widely utilized method involves the creation of a protective oxide layer on the surface of the aluminum coil. Anodizing offers corrosion resistance, improved durability, and the ability to customize colors with dyes. 2. Painting: Various types of paint can be applied to aluminum coils to enhance their appearance, provide extra protection against corrosion, and increase resistance to UV radiation. Both liquid and powder coatings are available, offering different finishes and levels of durability. 3. Coil coating: This treatment is a continuous process where a coating material is applied to the surface of the aluminum coil. The coil is then cured, resulting in a uniform and long-lasting coating. This option provides a wide range of finishes, colors, and special effects. 4. Laminating: By applying a protective film or sheet onto the aluminum coil's surface, laminating can enhance its resistance to scratches, abrasion, and chemicals. This treatment is commonly used in applications where the coil may encounter harsh environments. 5. Brushing or polishing: These mechanical treatments can give the aluminum coil the desired texture, such as a brushed or mirror-like finish. Brushing creates parallel lines, while polishing results in a highly reflective and smooth surface. 6. Chemical conversion coatings: Typically used as a pre-treatment before painting or as a standalone treatment, these coatings enhance corrosion resistance and provide a base for subsequent coatings like paint or powder coating. These examples demonstrate the range of surface treatment options available for aluminum coils. The choice of treatment will depend on factors such as desired appearance, level of corrosion resistance, durability, and specific application requirements.
Q: What are the maintenance requirements for aluminum coils?
The maintenance requirements for aluminum coils primarily involve regular cleaning and inspection to ensure optimal performance and longevity. It is recommended to clean the coils at least once a year, or more frequently in areas with high pollution or corrosive environments. This can be done by using a mild detergent or coil cleaner and a soft brush or cloth to remove any dirt, dust, or debris that may have accumulated on the surface of the coils. Additionally, it is important to inspect the coils regularly for any signs of damage, corrosion, or leakage. Any bent fins, dents, or corrosion should be addressed promptly to prevent further damage and maintain the efficiency of the coils. If there are any signs of leakage, it is crucial to have a professional technician inspect and repair the coils to avoid any potential refrigerant leaks. Moreover, it is advisable to keep the area around the coils clean and clear of any obstructions that may obstruct airflow, such as leaves, plants, or debris. This will ensure proper airflow and prevent the coils from overworking, which can lead to inefficiency and potential damage. In conclusion, the maintenance requirements for aluminum coils involve regular cleaning, inspection for damage, corrosion, or leakage, and maintaining a clear and clean surrounding area for optimal performance and longevity. Following these maintenance practices will help ensure the efficient functioning of the aluminum coils and extend their lifespan.
Q: Can aluminum coils be used for electrical applications?
Yes, aluminum coils can be used for electrical applications. Aluminum is a highly conductive material and is commonly used in various electrical applications such as transformers, motors, and generators. It offers advantages such as lightweight, good thermal conductivity, and cost-effectiveness, making it a suitable choice for electrical coils.
Q: Can aluminum coils be used in electrical wiring applications?
Yes, aluminum coils can be used in electrical wiring applications. Aluminum is a commonly used material in electrical wiring due to its excellent conductivity and cost-effectiveness. However, proper installation techniques and precautions are necessary to prevent potential issues such as corrosion and overheating.
Q: Are aluminum coils suitable for electrical conductivity applications?
Yes, aluminum coils are suitable for electrical conductivity applications. Aluminum is a good conductor of electricity, second only to copper in terms of conductivity. It is widely used in various electrical applications, including power transmission lines, electrical wiring, and electronic devices. Aluminum coils offer efficient electrical conductivity while being lightweight, cost-effective, and resistant to corrosion.

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