• Prepainted Aluminum Zinc Rolled Coil for Roof construction System 1
  • Prepainted Aluminum Zinc Rolled Coil for Roof construction System 2
Prepainted Aluminum Zinc Rolled Coil for Roof construction

Prepainted Aluminum Zinc Rolled Coil for Roof construction

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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 Aluminum Zinc Rolled Coil for Roof construction

 Prepainted Aluminum Zinc Rolled Coil for Roof construction

Description of Prepainted Aluminum Zinc Rolled Coil for Roof construction

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 Aluminum Zinc Rolled Coil for Roof construction

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 Aluminum Zinc Rolled Coil for Roof construction

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 Aluminum Zinc Rolled Coil for Roof construction Image

 

Prepainted Aluminum Zinc Rolled Coil for Roof construction

Prepainted Aluminum Zinc Rolled Coil for Roof construction

 

Specifications of Prepainted Aluminum Zinc Rolled Coil for Roof construction

Surface Treatment

Feature

Chemical Treatment

minimize the chance of humid-storage staining forms a dark gray surface discoloration on the surface

retain the bright metallic luster for a long period

Oil

minimize the tendency for humid-storage stain

Chemical Treatment and Oil

The chemical treatment provides very good protection against humid-storage staining, while the oil provides lubricity for operations.

Dry

must be transported and stored with special precautions to preserve low-humidity conditions.

Anti-finger print

minimize the chance of humid-storage staining forms a dark gray surface discoloration on the surface

 

FAQ of Prepainted Aluminum Zinc Rolled Coil for Roof 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: What are the different types of surface defects in steel coils?
Some common types of surface defects in steel coils include scratches, pits, rust, scaling, laminations, and waviness.
Q: How are steel coils used in the manufacturing of mining equipment?
Steel coils are used in the manufacturing of mining equipment as they provide the necessary strength and durability required for heavy-duty machinery and structures used in mining operations. These coils are shaped and formed into various components such as frames, buckets, tracks, and support structures, ensuring the equipment can withstand the harsh and demanding conditions of mining operations.
Q: What is the standard width of steel coils?
Depending on the industry and application, the width of steel coils can differ. Generally, steel coils have a standard width range of 36 to 72 inches. The actual width is influenced by various factors including the type of steel, intended use, and the machinery involved in processing and handling the coils. To ensure the appropriate width for a specific steel coil application, it is crucial to refer to industry standards and specifications.
Q: Hi,Well, I live near almost across the street from a forest, and my neighborhood is full of raccoons!!! Recently, I just purchased a bunny and have kept it at my cousin's house for the time being. He has a steel cage, and is about 6 months old. I am considering bringing him home and leaving him in the back yard with his steel cage. I am just afraid that raccoons can bite through the steel and get to him. So the question is... Is is possible for raccoons to bite through steel? Btw,Please don't answer hate comments about me being a bad rabbit owner. I simply want to know if raccoons can bite through steel. If it doesn't work out, the rabbit will stay at my cousins house until further notice. But please, I did not waste 5 points for unneeded answers. Thanksss!
Well the raccoons can't bite through steel unless it is very thin steel, like aluminum foil thickness. But they have long arms and can reach into the cage so that would be my worry. They are also very clever so I don't know if it is safe for the bunny. That would depend upon the size of the cage and how hungry the raccoons are. The raccoons might be tempted to try to steal the bunny's food so that is a concern. Check with a pet shop owner or forester or someone like that who has knowledge about raccoons in the area.
Q: How do steel coils contribute to energy efficiency in appliances?
Steel coils contribute to energy efficiency in appliances in several ways. Firstly, steel is a highly conductive material, allowing for efficient heat transfer. This means that appliances with steel coils, such as refrigerators or air conditioners, can cool or heat up faster, reducing energy consumption. Additionally, steel coils are durable and have excellent heat retention properties, meaning that once the desired temperature is reached, the coils can maintain it for longer periods without consuming additional energy. This helps appliances to operate more efficiently and save on electricity usage.
Q: what does steel have inside of it that makes it rust.I need the answer fast!!!!!!!!!
Oxygen in the air reacts to Iron particles in steel to form Iron Oxide (commonly known as rust).
Q: How are steel coils inspected for surface defects after processing?
Steel coils are inspected for surface defects after processing through visual inspection, magnetic particle inspection, or ultrasonic testing. Visual inspection involves examining the surface for any visible defects such as scratches, dents, or corrosion. Magnetic particle inspection uses magnetic fields and iron particles to detect surface cracks or defects that may not be visible to the naked eye. Ultrasonic testing involves using high-frequency sound waves to detect internal and surface defects in the steel coils. These inspection methods help ensure the quality and integrity of the steel coils before they are further processed or delivered to customers.
Q: How are steel coils used in the manufacturing of solar panels?
Steel coils are commonly used in the manufacturing of solar panels to provide structural support and stability. These coils are typically used to create the framework of the solar panel, ensuring that it remains rigid and durable. Additionally, steel coils can be used to create the mounting structures that hold the solar panels in place, allowing for easy installation and maintenance.
Q: What are the different types of corrosion protection for steel coils?
There are several different types of corrosion protection for steel coils, including galvanizing, paint coatings, organic coatings, and metallic coatings. Each method provides a barrier between the steel surface and the corrosive environment, preventing or slowing down the corrosion process. Galvanizing involves applying a layer of zinc to the steel surface, while paint coatings use various types of paints or primers. Organic coatings utilize polymers or resins to form a protective layer, and metallic coatings such as tin or aluminum can also be applied. The choice of corrosion protection method depends on factors such as the specific corrosive environment, desired lifespan, and cost considerations.
Q: What are the common coil storage conditions?
The common coil storage conditions include keeping the coils in a dry and well-ventilated area, away from direct sunlight and extreme temperatures. It is also important to store the coils in an upright position, on pallets or racks, to prevent damage and ensure easy access for handling and transportation.

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