• Prepainted aluminum zinc rolled Coil For construction Roof System 1
  • Prepainted aluminum zinc rolled Coil For construction Roof System 2
  • Prepainted aluminum zinc rolled Coil For construction Roof System 3
Prepainted aluminum zinc rolled Coil For construction Roof

Prepainted aluminum zinc rolled Coil For construction Roof

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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 Aluminum Zinc Rolled Coil

 Prepainted aluminum zinc rolled Coil For construction Roof

Description of Aluminum Zinc 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 Aluminum Zinc Rolled Coil for Construction Roof

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 Aluminum Zinc Rolled Coil for Construction Roof
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.  

 

 

 

 

Specifications of Prepainted Aluminum Zinc Rolled Coil for Construction 

Product

Hot Dipped Galvanized Steel Coil / Galvalume /Aluzinc Steel coil

Material Grade

SGCC / SGCH  / DX51D+AZ, etc

Thickness

0.2-3.0mm

Width

600-1500mm

Tolerance

Thickness: +/-0.02mm , Width:+/-2mm

Zinc-coating

AZ40-150g/m2

Technique

Raw material: Hot rolled steel coil --> Cold rolled_>hot dipped galvalume

Surface

Dried, Chromated, Unoiled

Spangle

Regular spangle , small spangle, zero spangle

ID

508MM

Coil weight

3-6 tons

Export package

Cardboard inner sleeves, Waterproof paper, galvanized steel covered and steel strip packed

 

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 airbags?
Steel coils are used in the manufacturing of airbags to provide structural support and stability. These coils are typically incorporated into the airbag module, helping to maintain its shape and ensure proper deployment in the event of a collision.
Q:What are the different methods of coil recoiling for narrow strip widths?
There exists a variety of techniques for coil recoiling targeted at narrow strip widths. One technique, known as slitting and recoiling, entails slicing the wide coil into narrower strips and then rewinding them onto a smaller coil. This is typically accomplished using a slitting machine, which can make precise cuts to achieve the desired strip widths. Another approach, referred to as edge trimming and recoiling, involves trimming the edges of the wide coil to generate narrower strips. The remaining material is then rewound onto a smaller coil. This method is commonly employed when the coil edges are damaged or uneven and need to be removed before recoiling. Furthermore, there is a method called tension recoiling. In this process, the wide coil is threaded through a series of tensioning devices that aid in achieving the desired strip widths. The tensioning devices can apply controlled pressure to the coil edges, enabling precise recoiling of narrow strips. Additionally, some companies opt to employ laser cutting technology for coil recoiling. This technique entails using a laser beam to slice the wide coil into narrow strips, which are then rewound onto a smaller coil. Laser cutting offers exceptional precision and accuracy, making it an ideal choice for narrow strip widths. In summary, the various methods of coil recoiling for narrow strip widths consist of slitting and recoiling, edge trimming and recoiling, tension recoiling, and laser cutting. Each approach possesses its own merits and is selected based on the specific requirements and capabilities of the manufacturing process.
Q:Please explain why steel is denser than wood.
Steel is basically a mixture (not the compound) of iron and carbon. Iron, by itself is an element and so is carbon. The atoms of Iron are larger in size compared to carbon. All the atoms of all the elements, smaller or larger, are spherical. If naturally a solid, the atoms of all such elements have voids as their atoms are closely packed. You can imagine a basket of oranges; you could see that void or empty space (which I am speaking about) between four or more of the oranges put together. Now, when heated to more than about 1500 degrees celcius, Iron melts and atoms in molten form increase space between themselves. Raising the teperature to 1800 degree celcius, carbon is mixed with iron. At this stage it causes the spherical carbon atoms to fill in the spaces present amongst the spherical atoms of the iron. On cooling, already dense iron becomes denser because no space is left there between its atoms. This denser form of iron + carbon has become steel in which carbon is not more than 3 to 4% of the total volume. Wood is nothing but a fallen and dried tree's part. When green and alive, tree's stem and branches have pores in there texture, which are fillled with water and other biological fluids necessary for the life of the plant. When dried all the fluids, especially water gets evaporated. and the pore are empty now. The term Density, means mass divided by volume (kg / cubic meters). Iron + Carbon (the steel) so tightly packed and Iron having very high atomic weight is surely denser than wood with just carbon and a few other elements with no significant role to play in the mass calculation; particularly if their are empty pore spaces filled with air only. Imagine the mass (which common people mistakingly call the weight) in kilograms of a peice of steel with dimensions of 1 meter cube and imagine the same for the dried wood. What do you think---which one is denser?
Q:How are steel coils cleaned before use?
Steel coils are cleaned before use through a process known as pickling. Pickling is a chemical treatment that helps remove any impurities, scale, rust, and other contaminants from the surface of the steel coils. The initial step involves the steel coils being immersed in an acid bath, typically a mixture of hydrochloric acid and sulfuric acid. This acid solution helps dissolve any rust, scale, and other surface impurities. The duration of the immersion depends on the extent of contamination and the desired cleanliness level. After the pickling process, the coils are thoroughly rinsed with water to remove the acid solution and any remaining residue. This step is crucial to prevent further corrosion or chemical reactions. Once the rinsing is complete, the coils are often subjected to a drying process to remove any remaining moisture. This can be done through air drying, using high-pressure air blowers, or by passing the coils through heated chambers. After the cleaning process, the steel coils are now ready for use in various applications such as manufacturing, construction, or any other industry that requires high-quality steel products. The pickling process ensures that the coils have a clean, smooth, and corrosion-resistant surface, allowing them to perform effectively and meet the desired specifications.
Q:How are steel coils inspected for dimensional accuracy during processing?
Steel coils are inspected for dimensional accuracy during processing through various methods such as measuring tape, calipers, laser scanners, or automated vision systems. These tools are used to measure the length, width, and thickness of the coils to ensure they meet the required specifications and tolerances.
Q:I'm missing the arguement, and I've seen another question like this... but the steel toe issue has 2 scenario's right?... Let me label them out, the 2nd is the one that no one talks about?Note to anyone - how are your catapillar boots, your wolverines, and then your cheap walmart/sears brands?1. Steel toe on, toes get cut off because of something falling on them. OUCH!.. Reattach perhaps?2. This one is what I question. No steel toe, large object falls on toes. SMASH... Pudding in your shoes.Wouldn't it be safer to say you'de be better off with a steel toe?
Go to Discovery channel and look up Mythbusters episode on steel toed boots. It will surprise you what they can take, even with dropped items. They could get some damage, but never a severance.
Q:would you consider steel a flexible substance...i am debating this with my coworkers.Thanks,
Yes, looking at it from an engineering standpoint. Depending on it's shape it can be used for many applications where flexibility is important. Steel springs for example, or guitar strings. Whenever you're debating these kinds of matters, it is important to keep in mind that the use of a material depends on the shape, the size and the weight it's going to be used in. A big block of steel will be used in a different manner as a piece of steel wire.
Q:Why?Which one should i get? I am just starting to learn Guitar. Which one would be better for me? What is the difference? I already got the acoustic nylon but i might return it... if the steel is better.
I find for beginners nylon is better. You won't get as many blisters and nylon strings are easier to bend. Check out my website for some free lessons and free bonus info for the exact answer you are looking for
Q:Are steel coils affected by magnetic fields?
Magnetic fields can indeed have an impact on steel coils. Steel, being a ferromagnetic material, has the ability to be magnetized or attracted to magnets. When a steel coil is subjected to a magnetic field, it can develop its own magnetic field, resulting in magnetization. The consequences of this magnetization depend on the strength and duration of the magnetic field. In situations where the magnetic field is strong and the coil remains exposed to it for a considerable period, the steel coil may retain some magnetism even after the magnetic field is no longer present. This can create difficulties in certain applications that call for a non-magnetic material, as the magnetized steel coil may attract or disrupt nearby objects. Conversely, if the magnetic field experiences frequent changes or fluctuations, it can induce electrical currents within the steel coil through a process called electromagnetic induction. These currents, known as eddy currents, can generate heat within the coil. This heat can lead to energy losses and potentially damage the coil. Therefore, it is vital to carefully consider the impact of magnetic fields on steel coils in various applications. Protective measures, such as shielding or demagnetization processes, may be necessary to minimize the consequences of magnetic fields on steel coils, when deemed necessary.
Q:How many types of steel buildings are there?
There are a number of designs which can be used to create different types of steel buildings as per the demands of the buyer or an investor. he various kinds of that can be constructed using steel are Homes, Hangars, Agriculture and Farm buildings for storage, Garages and Storage sheds, Open air sheds,, Barns, Arenas and stadiums, Automotive buildings with overhead doors and flexible framed openings, Religious buildings such as Churches and Temples, etc.

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