Prepainted Aluminum Zinc rolled Coil for Construction 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 Aluminum Zinc Rolled Coil
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 industrial filters?
- Steel coils are used in the manufacturing of industrial filters as a primary material for constructing the filter frames and support structures. The coils are typically cut, shaped, and welded to create the necessary framework that holds the filter media and allows for efficient filtration. The strength and durability of steel make it an ideal choice for withstanding the pressure and demands of industrial filtration processes.
- Q: All the steel straps that secure my deck and stair 6x6 posts to the concrete piers have some rust on them. Had bought a rust reducer to spray on them and repaint. As I went to do this I found that one of them is on its last legs, with the steel rusted through and bubbling up all up the sides of the straps. Since this is the end post on a row of 3 deck support posts, I was thinking of removing as much rust as possible, then paint with Rustoleum and cover lower post with something to keep water away from post and pier in the future? Was thinking of something removeable so I could check on it for further rusting. What do you folks with building experience think of this? Thanks.
- If these steel straps are rusting through and on their last legs, a coat of paint is going to be cosmetic at best. Replace these straps with new ones. The originals were either very poorly galvanized, or you live someplace with a very corrosive environment. In any event, paint can't save this sort of thing. Steel brackets serve a real purpose, and after they're weakened, they can't do that anymore. How would your home hold up in an earthquake, for example? What you're proposing doesn't sound safe.
- Q: Are steel coils resistant to rust and corrosion?
- Steel coils exhibit resistance to rust and corrosion. Typically, these coils are crafted from either carbon steel or stainless steel, both of which possess exceptional properties for combating corrosion. Carbon steel coils are frequently coated with a protective layer, such as zinc or a polymer coating, to augment their resistance to rust and corrosion. Conversely, stainless steel coils possess inherent corrosion-resistant qualities due to the presence of chromium. This element creates a protective oxide layer on the steel's surface, effectively preventing rust and corrosion. Nonetheless, it is crucial to acknowledge that the extent of resistance may also hinge on the specific grade and quality of the steel employed in the coils, as well as the environmental conditions to which they are exposed.
- Q: How are steel coils used in the manufacturing of agricultural silos?
- Steel coils are used in the manufacturing of agricultural silos by being formed and shaped into corrugated sheets, which are then assembled into the walls of the silo. The strength and durability of the steel coils ensure that the silo can withstand the weight of the stored grains and withstand external pressures.
- Q: How are steel coils used in the manufacturing of building materials?
- Steel coils are widely used in the manufacturing of building materials due to their strength, durability, and versatility. These coils are typically made from high-quality steel and are shaped into a continuous, flat strip. One of the most common uses of steel coils in building materials is for the production of steel roofing and siding. The coils are processed through a series of machines that cut, shape, and roll the steel into the desired dimensions and profiles. The resulting roofing and siding materials are then used to construct durable and weather-resistant building envelopes. Steel coils are also used in the manufacturing of steel studs, which are essential components for framing structures. The coils are cut and formed into precise shapes, then assembled to create a strong and rigid framework for walls, ceilings, and other structural elements. Steel studs offer numerous advantages such as high strength-to-weight ratio, fire resistance, and dimensional stability, making them a popular choice in the construction industry. In addition to roofing, siding, and framing, steel coils are utilized in the production of various other building materials. These include steel pipes, beams, columns, and reinforcement bars, which are used in the construction of foundations, infrastructure, and structural elements. Steel coils also serve as raw materials for the fabrication of metal panels, doors, windows, and other architectural components. Overall, steel coils play a crucial role in the manufacturing of building materials as they provide the necessary strength and durability required for long-lasting and robust structures. Their versatility allows for the production of a wide range of building components, making steel coils an indispensable resource in the construction industry.
- Q: What kind of steel should be used for constructing a steel building?
- Please specify what kind of steel, is it structural steel (like wide flange, channel or Z-section) or reinforcing steel? For structural steel, all steel members that passed the requirement of ASTM-A360 are the best quality. While for reinforcing steel, it should passed the requirement of ASTM-D3963 for epoxy coated and ASTM-A615 (Grade 60) for deformed bars.
- Q: What is the maximum length of a steel coil?
- The maximum length of a steel coil can vary depending on various factors such as the type of steel, manufacturing process, and intended use. However, in general, steel coils can range from several hundred feet to several thousand feet in length.
- Q: What are the different methods of coil leveling?
- Various industries commonly utilize several methods for coil leveling. These methods encompass: 1. Roller leveling: By passing the coil through a sequence of rollers, pressure is applied gradually, resulting in the gradual flattening of the coil. The rollers can be adjusted to exert varying levels of pressure, allowing for precise control over the leveling process. 2. Stretch leveling: This technique subjects the coil to tension forces, elongating the material and eliminating internal stresses. As the coil is stretched while passing through rollers, a more uniform and flat surface is achieved. 3. Temper leveling: Involving the heating of the coil to a specific temperature followed by rapid cooling, this method helps equalize stresses within the coil and enhance its flatness. Temper leveling is often employed for high-strength steels. 4. Roller leveling with leveling rolls: This approach utilizes additional leveling rolls placed above and below the main leveling rollers. These rolls apply pressure to specific areas of the coil, rectifying any unevenness or distortions. 5. Tension leveling: This method involves applying tension to the coil during processing. The tension aids in straightening and flattening the material, resulting in a more even and flat surface. 6. Precision leveling: Employed for high-precision applications necessitating extremely flat and uniform coils, precision leveling combines roller leveling, stretch leveling, and other corrective measures to attain the desired flatness. Each of these methods possesses unique advantages and limitations. The selection of a particular method depends on factors such as the type of material being leveled, the required flatness tolerance, and the intended application of the coil.
- Q: What are the advantages of using steel coils?
- There are several advantages of using steel coils. Firstly, steel coils are highly durable and can withstand extreme conditions, making them suitable for various applications. Secondly, they provide excellent strength and stability, making them ideal for structural purposes. Additionally, steel coils can be easily molded into different shapes, allowing for customization and versatility in design. Moreover, steel coils have a high recycling rate, making them an environmentally friendly choice. Finally, steel coils offer cost-effectiveness due to their long lifespan and low maintenance requirements.
- Q: How are steel coils tested for tensile strength?
- Steel coils are tested for tensile strength through a process called tensile testing. In this method, a small sample is taken from the steel coil and subjected to a controlled force until it breaks. The force applied during the test is gradually increased until the sample fractures. The maximum force required to break the sample is measured, and this provides valuable information about the tensile strength of the steel coil.
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Prepainted Aluminum Zinc rolled Coil for Construction 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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