Aluminum Coil Factory Directly Wholesale from China Foshan
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 100000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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Item specifice
Specification:
Thickness: 0.14mm--1.5mm
Width: 600---1250mm
Zinc coating: Zn60---275g/m2 both side
ID coil: 508mm or 610mm
OD coil: Max 1500mm
Surface Treatment: color coated
Coating structure: 2/1 or 2/2
Color: All RAL Colors
Painting thickness: 27-30 microns on top side, 7-9 microns on back Tolerance:+/-0.02mm
Certification: ISO9001
Prepainted Galvanized Coils | Wider Range | Narrow Range | ||
Min. | Max. | Min. | Max. | |
Thickness (mm) | 0.2 | 2.0 | 0.25 | 2.0 |
Width (mm) | 600 | 1250 | 150 | 1000 |
Inside Diameter (mm) | 508 | 610 | 508 | 610 |
Outer Diameter (mm) | 1000 | 2000 | 800 | 1700 |
Prepainted Galvanized Sheets | Wider Range | Narrow Range | ||
Min. | Max. | Min. | Max. | |
Thickness (mm) | - | - | 0.25 | 2.0 |
Width (mm) | - | - | 600 | 1250 |
Length (mm) | - | - | 2000 | 6000 |
Applicating:
general using, Roofing, siding panels, shutters, warehouse and pre-fabricated houses, partitions, doors, home appliances, steel furniture,etc.
Colored coil is high in strength, good in rain and corrosion resistance,widely used in construction industry, such as modern courtyard design, large-sized industrial buildings, prefabricated thermal insulation sandwich board, etc. Along with the development of light industry, transportation and ship building, the application of colored sheet has been expanded form building materials to automobile manufacturing,watercraft interior decoration. Household electrical appliance, furniture, container and cooker, etc., and become a new material substituting to spray coating steel sheet.
Quality:
is a way of life for us and we live by quality in this industry. The quality of our
products and services are widely recognized and we have been maintaining
international quality standards. All the products that we suppliy pass through stringent
quality test before they finally arrive and that gives us a cutting edge over others,
managing in this sphere.
Product Description
Aluminium is remarkable for the metal's low density and for its ability to resist corrosion due to the phenomenon of passivation. Structural components made from aluminium and its alloys are vital to the aerospace industry and are important in other areas of transportation and structural materials. The most useful compounds of aluminium, at least on a weight basis, are the oxides and sulfates.
Despite its prevalence in the environment, no known form of life uses aluminium salts metabolically. In keeping with its pervasiveness, aluminium is well tolerated by plants and animals. Owing to their prevalence, potential beneficial (or otherwise) biological roles of aluminium compounds are of continuing interest.
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. The citation is from the journal Philosophical Transactions of the Royal Society of London: "Had I been so fortunate as to have obtained more certain evidences on this subject, and to have procured the metallic substances I was in search of, I should have proposed for them the names of silicium, alumium, zirconium, and glucium."
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FAQ
1. What is the applications?
Outdoor decoration, business chain, exhibition of advertisement decoration and display ,ACP, wall cladding, facades, roofs and canopies, ceilings, signboards, blind window, display platforms, electrical panels etc.
2. What is the popular size?
1000*2000,1200*2400,1219*2438,1220*2440
1000*3000,1250*3000,1500*3000 etc.
3. What is the coating?
Polyester, Fluorocarbon, polyurethane and epoxy coating
4. What is the Surface Quality?
be free from Oil Stain, Dent, Inclusion, Scratches, Stain, Oxide Dicoloration, Breaks,
Corrosion, Roll Marks, Dirt Streaks and other defect which will interfere with use
5. How about the shipment?
Shipment: By bulk vessel or By container
Welcome to inquiry us! Hope we can establish a long-term relations of cooperation.
- Q:Are aluminum coils fire-resistant?
- Yes, aluminum coils are fire-resistant. Aluminum has a high melting point of 660 degrees Celsius (1220 degrees Fahrenheit) and it does not burn, making it a non-combustible material. This property makes aluminum coils suitable for various applications where fire resistance is a critical factor, such as in building construction, electrical wiring, and HVAC systems. Additionally, aluminum's excellent heat conductivity helps dissipate heat quickly, reducing the risk of fire. However, it is important to note that while aluminum coils themselves are fire-resistant, they may be used in systems that include other components which may not have the same level of fire resistance. It is important to consider the entire system and follow proper fire safety regulations and guidelines to ensure overall fire safety.
- Q:Can aluminum coils be used in the production of heat exchanger fins?
- Yes, aluminum coils can be used in the production of heat exchanger fins.
- Q:What is the typical electrical resistivity of aluminum coils?
- Aluminum coils have an average electrical resistivity of around 2.65 x 10^-8 ohm-meters, showcasing their exceptional conductivity. This attribute renders them a top-notch option for electrical conductors. The remarkable conductivity enables an efficient flow of electric current within the coils, thereby reducing energy dissipation and heat production. Consequently, aluminum coils find extensive utilization in diverse electrical sectors, including transformers, motors, and generators.
- Q:What are the common surface treatments for aluminum coils in the marine industry?
- In the marine industry, aluminum coils are commonly subjected to various surface treatments to enhance their durability and resistance to corrosion. Some of the most common surface treatments for aluminum coils in the marine industry include anodizing, powder coating, and chemical conversion coatings. Anodizing is a popular surface treatment method that involves the formation of a protective oxide layer on the aluminum surface through an electrolytic process. This oxide layer not only enhances the corrosion resistance of the aluminum coil but also provides it with improved abrasion resistance and an attractive appearance. Anodizing can be done in various colors, allowing for customization and aesthetic appeal. Powder coating is another widely used surface treatment for aluminum coils in the marine industry. It involves applying a dry powder to the aluminum surface, which is then cured under heat to create a durable and protective layer. Powder coating provides excellent resistance to UV rays, chemicals, and abrasion, making it a favorable choice for marine applications where exposure to harsh environmental conditions is common. Chemical conversion coatings are also commonly applied to aluminum coils in the marine industry. These coatings are formed through a chemical reaction between the aluminum surface and a solution containing specific chemicals. The resulting coating provides excellent corrosion resistance and acts as a barrier against moisture and other environmental factors. Chemical conversion coatings are often used as a pre-treatment before applying other coating systems to further enhance the aluminum coil's protective properties. Overall, the choice of surface treatment for aluminum coils in the marine industry depends on factors such as the intended application, environmental conditions, and desired aesthetics. Anodizing, powder coating, and chemical conversion coatings are among the most common options, each offering unique benefits to ensure the longevity and performance of aluminum coils in marine environments.
- Q:Can aluminum coils be used in the production of aluminum foam panels?
- Yes, aluminum coils can be used in the production of aluminum foam panels. The coils are typically processed through a foaming method, such as powder metallurgy or melt route, to create a foam structure. This allows for the production of lightweight and strong aluminum foam panels suitable for various applications, including in the automotive, aerospace, and construction industries.
- Q:What are the fire-resistant properties of aluminum coils?
- Aluminum coils have excellent fire-resistant properties due to the inherent characteristics of aluminum as a metal. Aluminum has a high melting point of 660 degrees Celsius (1220 degrees Fahrenheit), which means it can withstand high temperatures without melting. This property makes aluminum coils resistant to fire hazards. Moreover, aluminum does not generate flammable gases when exposed to fire, unlike some other metals. This non-combustible nature prevents the spread of fire and minimizes the risk of fire-related damages. Additionally, aluminum has a low thermal conductivity, meaning it does not conduct heat efficiently. As a result, aluminum coils do not contribute to the transfer of heat from one area to another, which can help contain and control the spread of fire. Furthermore, aluminum coils are often coated with a protective layer that enhances their fire resistance. These coatings can be made of various materials such as polyvinylidene fluoride (PVDF) or polyester, which provide an additional barrier against fire and heat. These coatings are designed to withstand extreme temperatures while maintaining their integrity, further enhancing the fire-resistant properties of aluminum coils. Overall, aluminum coils possess excellent fire-resistant properties due to their high melting point, non-combustible nature, low thermal conductivity, and protective coatings. These properties make aluminum coils a reliable choice for applications where fire safety is a concern, such as in building construction, electrical wiring, and transportation industries.
- Q:Are aluminum coils resistant to mold and mildew?
- Yes, aluminum coils are highly resistant to mold and mildew. Aluminum does not provide a favorable environment for mold or mildew growth, making it an excellent choice for applications where moisture and humidity are concerns.
- Q:What are the typical delivery options for aluminum coils?
- Delivery options for aluminum coils can vary depending on the supplier and customer's requirements. However, there are several common options available. 1. Direct delivery: Many suppliers offer the convenience of delivering the coils directly to the customer's location. This is particularly useful for customers who need large quantities or have limited transportation capabilities. The supplier will make arrangements for transportation, using trucks or shipping containers, to deliver the coils directly to the customer's facility. 2. Pickup from supplier: Customers also have the choice of arranging their own transportation and collecting the aluminum coils from the supplier's location. This option is often preferred by customers who are located nearby or already have their own transportation logistics in place. 3. Third-party logistics (3PL): Some suppliers collaborate with specialized logistics companies to handle the delivery of aluminum coils. These companies have expertise in transportation and offer efficient and cost-effective delivery services. Customers who prefer to outsource their logistics operations often choose this option. 4. International shipping: Customers requiring international delivery of aluminum coils have the option of using air or ocean freight. However, these methods may involve additional costs and longer delivery times due to customs clearance and transportation logistics. It's important to note that the specific delivery options may vary depending on the supplier's capabilities and the customer's location. Therefore, it is recommended to directly discuss delivery options with the supplier to ensure the most suitable and cost-effective method is chosen.
- Q:Can aluminum coils be used in electrical transformers?
- Yes, aluminum coils can be used in electrical transformers. Aluminum is often chosen as an alternative to copper due to its lower cost, lighter weight, and better thermal conductivity. However, aluminum coils may require larger sizes to achieve the same electrical performance as copper coils.
- Q:What are the standard tolerance levels for aluminum coils?
- The standard tolerance levels for aluminum coils can vary depending on the specific industry and application. However, in general, the tolerance levels for aluminum coils are determined by industry standards and specifications such as ASTM (American Society for Testing and Materials) or ISO (International Organization for Standardization). For thickness, the standard tolerance levels for aluminum coils can range from +/- 0.002 inches to +/- 0.020 inches, depending on the specific grade and thickness of the aluminum. Similarly, for width, the tolerance levels can vary from +/- 0.010 inches to +/- 0.250 inches. In terms of flatness, the standard tolerance levels for aluminum coils are typically specified as a maximum deviation from a flat plane. This can range from as low as 0.001 inches to as high as 0.020 inches, depending on the specific requirements of the application. Other factors that may influence tolerance levels include the surface finish, edge condition, and mechanical properties of the aluminum coils. It is important to consult the relevant industry standards and specifications, as well as the specific requirements of the application, to determine the appropriate tolerance levels for aluminum coils.
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Aluminum Coil Factory Directly Wholesale from China Foshan
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 100000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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