Prepainted Galvalume Rolled Coil for Roof
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 30000 m.t./month
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Structure of Prepainted Galvalume Rolled Coil
Description of Prepainted Galvalume Rolled Coil
Aluminum zinc coils is a kind of coated steel coil/sheet. With the cold rolled steel of different strength and thickness as substrate, it is produced through applying Al-Zn coat on both faces by hot dip process. In its coating, Al accounts for about 55%, Si 1.6%, while the remaining is Zn. Aluminum zinc coils enjoys both the physical protective feature and durability of Al and the electrochemical protective property of Zn. And its surface has bright silver color and regular embossed-like figure, which are highly decorative.
Main Feature of Prepainted Galvalume Rolled Coil
1.Corrosion resistance: It mainly depends on the aluminum protection. When the zinc being worn, the aluminum will form a dense layer of aluminum oxide, resist corrosion material to prevent further corrosion inside.
2. Heat resistance: Aluminum zinc alloy steel sheet has excellent heat resistance, can withstand high temperatures over 300 centigrade, and is similar with aluminized steel high temperature oxidation resistance. It often used in chimney pipes, ovens, fluorescent lighting device and the device cover.
3. Heat reflective: Galvanized steel plate heat-reflective high rate is twice as galvanized steel, often used to make insulation materials.
4. Economy: Because density of 55% AL-Zn is smaller than the density of Zn, so in the same weight and thickness of Galvanized zinc layer, aluminum-zinc steel plate is larger area more than 3% of galvanized steel sheet.
Applications of Prepainted Galvalume Rolled Coil
1. Construction and building: roofing; ventilating duct; handrail; partition panel;etc.
2. Electric appliance: refrigerator; washing machine; refrigerator; DVD;etc.
3.Transportation: oil tank; road sign; etc.
4.Agriculture:barn; etc.
5.Others:vending machine; game machine; etc.
Prepainted Prepainted Galvalume Rolled Coil Image
Specifications of Prepainted Galvalume Rolled Coil
Structure | |||
Item | Thickness | Type | Feature |
Laminated film | 50μm | Polyethylene | Protecting from scratchs and contamination(option) |
Top coat | 20μm | Polyester Fluorine | Chemical resistance and formability |
Primer coat | 5μm | Polyester | Workability, corrosion resistance and adhesion to the primer coating |
Chemical treatment | 1μm | Chromate | Good adhesion and corrosion resistance |
Substrate | 0.2mm-1.2mm | GI.GL,AL | GI.GL,AL |
Back coat | 5±2μm | Epoxy | Corrosion resistance and adhesion to the substrate |
FAQ of Prepainted Aluminum Zinc Rolled Coil for Construction
We have organized several common questions for our clients，may help you sincerely：
1. What is the minimum order quantity ?
Our MOQ is 50mt for each size. And we will consider to give more discount if you make big order like 1000 tons and more. Further more, the more appropriate payment term your offer the better price we can provide.
2. How long can we receive the product after purchase?
Usually within thirty working days after receiving buyer’s advance payment or LC. We will arrange the factory manufacturing as soon as possible. The cargo readiness usually takes 15-25 days, but the shipment will depend on the vessel situation.
3. How to guarantee the quality of the products？
We have established the international advanced quality management system，every link from raw material to final product we have strict quality test；We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.
- Q: How are steel coils used in the manufacturing of electrical transformers?
- Steel coils are used in the manufacturing of electrical transformers as they serve as the core of the transformer. The coils are wound around the steel core to create an electromagnetic field that efficiently transfers electrical energy from one coil to another. The steel coils help to increase the magnetic flux and enhance the efficiency of the transformer, allowing for the transformation of electrical voltage levels.
- Q: How do steel coils compare to other materials, such as aluminum or copper?
- Steel coils have several advantages over other materials such as aluminum or copper. Firstly, steel is generally stronger and more durable, making steel coils less prone to damage or deformation. Additionally, steel has better heat resistance and can withstand higher temperatures, making it suitable for a wider range of applications. Steel coils also tend to be more cost-effective compared to aluminum or copper, making them a popular choice in various industries.
- Q: What are the common methods of packaging steel coils for transportation?
- There are several common methods of packaging steel coils for transportation. One widely used method is to use steel strapping or bands to secure the coils together. This method involves tightly wrapping the coils with steel bands and securing them with metal buckles or seals. The strapping helps to keep the coils in place and prevents them from shifting or rolling during transportation. Another common method is to use wooden pallets or skids to stack and transport the steel coils. The coils are placed on the pallets and secured with steel strapping or bands. This method provides stability and allows for easy handling and loading onto trucks or other transportation vehicles. Some steel coils are also packaged in wooden crates or boxes. These crates are typically made of strong and durable wood and are designed to protect the coils from external impacts or damage during transportation. The crates are often reinforced with steel bands or strapping to provide additional strength and stability. In addition to these methods, some steel coils are packaged in specialized containers or units. These containers are specifically designed to hold and secure steel coils for transportation. They often have built-in mechanisms or features that make loading and unloading the coils easier and safer. It is important to note that the specific method of packaging steel coils for transportation may vary depending on factors such as the size and weight of the coils, the mode of transportation, and any specific requirements or regulations in place.
- Q: What are the different types of steel alloys used in coil manufacturing?
- There are several types of steel alloys used in coil manufacturing, including carbon steel, stainless steel, and high-strength low-alloy (HSLA) steel. Each alloy has different characteristics and properties that make it suitable for specific applications in coil manufacturing. Carbon steel is commonly used for general-purpose coils due to its affordability and versatility. Stainless steel is preferred for its corrosion resistance and aesthetic appeal, making it suitable for applications that require durability and a polished finish. HSLA steel, on the other hand, offers enhanced strength and toughness, making it ideal for demanding applications that require high performance and durability.
- Q: What is the average turnaround time for processing steel coils?
- The average turnaround time for processing steel coils varies depending on several factors such as the size, complexity, and specific requirements of the coils. However, it typically ranges from a few days to a couple of weeks.
- Q: How are steel coils used in the construction of bridges?
- Steel coils are an essential component in the construction of bridges. These coils are typically made from high-strength steel and are used for various purposes throughout the bridge-building process. One of the primary uses of steel coils in bridge construction is for manufacturing structural components. These coils are cut, shaped, and welded together to create beams, columns, and trusses. These structural elements provide strength and support to the bridge, ensuring its stability and durability. Steel coils are also used in the fabrication of bridge decks. These decks are the upper surface of the bridge, providing a roadway for vehicles and pedestrians. The coils are rolled into sheets and then further processed to create the deck plates. These plates are then assembled and attached to the bridge's structural components. Another important application of steel coils in bridge construction is for reinforcing concrete structures. Rebar, which is short for reinforcing bar, is made from steel coils and is embedded within the concrete to enhance its strength and resistance to tension. The rebar is typically placed in strategic locations, such as within the bridge piers and abutments, to provide additional support and prevent cracking or collapsing. Additionally, steel coils are used for manufacturing bridge expansion joints. Expansion joints are critical components that allow bridges to expand and contract with temperature changes and other external factors. These joints are made using steel coils, which are formed into plates or strips that can be easily installed and adjusted to accommodate the bridge's movement. In summary, steel coils play a crucial role in the construction of bridges. They are used for manufacturing structural components, bridge decks, reinforcing concrete structures, and expansion joints. Steel coils provide the necessary strength and support required for building safe and reliable bridges that can withstand various loads and environmental conditions.
- Q: What are the dimensions of steel coils used in the construction materials industry?
- The dimensions of steel coils utilized in the construction materials industry may differ based on specific requirements and applications. Nevertheless, there exist some commonly employed dimensions. In this industry, steel coils usually possess a width that spans from 600mm to 2,000mm, with the most frequently observed widths being 1,000mm and 1,200mm. The thickness of these coils can fluctuate between 0.4mm and 2.5mm, with the most commonly adopted thicknesses ranging between 0.6mm and 1.2mm. The inner diameter of the coil, commonly referred to as the core size, can vary from 508mm to 610mm, with 610mm being the predominant core size. Moreover, the weight of these coils can also differ, with typical weights ranging from 3 to 15 tons. It is important to emphasize that these dimensions might alter depending on specific project requirements and can be tailored to suit the demands of a particular construction project.
- Q: How do steel coils contribute to durability and longevity in products?
- Steel coils contribute to durability and longevity in products due to their inherent strength and resistance to corrosion. By using steel coils as a material, products benefit from enhanced structural integrity and the ability to withstand heavy loads, mechanical stress, and harsh environmental conditions. The flexibility and resilience of steel coils also ensure that products can maintain their shape and functionality over a prolonged period, making them highly durable and long-lasting.
- Q: Can steel coils be cut to length?
- Yes, steel coils can be cut to length.
- Q: But we've had a problem with bears being attracted to the water in the Intex Inflatable pools, the bear would come at night every so often and push on the sides letting out the water.Would a bear be able to bend a steel frame before I go and spend money?
- depends how thick the steel is. Looking at it, I would say yes. Not the frame pieces, but just the walls of the pool.
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Prepainted Galvalume Rolled Coil for Roof
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 30000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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