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.
Prepainted Aluminum Zinc Rolled Coil for Construction Images
Specifications of Prepainted Aluminum Zinc Rolled Coil for Construction
Chemical Composition | ||||||
GRADE | C | Si | Mn | P | S | Ti |
SGCC/DX51D+Z | ≤0.10 | ≤0.50 | ≤0.60 | ≤0.10 | ≤0.030 | ≤0.020 |
DX52D+Z | ≤0.10 | ≤0.50 | ≤0.60 | ≤0.10 | ≤0.030 | ≤0.020 |
SGCD/DX53D+Z | ≤0.10 | ≤0.30 | ≤0.50 | ≤0.05 | ≤0.030 | ≤0.020 |
SGCE/DX54D+Z | ≤0.10 | ≤0.30 | ≤0.30 | ≤0.03 | ≤0.020 | ≤0.020 |
DX56D+Z | ≤0.10 | ≤0.30 | ≤0.30 | ≤0.03 | ≤0.020 | ≤0.020 |
Structural | ≤0.20 | ≤0.60 | ≤1.70 | ≤0.10 | ≤0.045 | |
Mechanical Properties | ||||||
GRADE | Yield Strength MPa | Tensile Strength MPa | Elongation % | |||
SGCC(DX51D+Z) | ≥205 | ≥270 | - | |||
SGCD(DX53D+Z) | - | ≥270 | 38 | |||
SGCE(DX54D+Z) | - | ≥270 | 40 | |||
DX56D+Z | - | ≥270 | 42 | |||
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 shock absorbers?
- Steel coils are used in the manufacturing of shock absorbers as they provide the necessary spring force to absorb and dampen the impact from road irregularities. The coils are designed to compress and expand under pressure, allowing the shock absorber to absorb and dissipate the energy generated during vehicle movement, resulting in a smoother and more controlled ride.
- Q: How are steel coils used in the production of gutters and downspouts?
- Steel coils are used in the production of gutters and downspouts by being formed and shaped into the desired size and shape of the gutter or downspout. The coils are unwound and passed through a series of machines that bend, cut, and shape the steel into the necessary components. These components are then assembled and attached to create the final gutter or downspout, which provides effective drainage and protection for buildings.
- Q: What are steel coils?
- Steel coils are long, flat sheets of steel that are rolled into a circular shape and wound tightly to form a coil. These coils are commonly used in various industries, including automotive, construction, and manufacturing, as they serve as a raw material for the production of various steel products such as pipes, tubing, and sheet metal.
- Q: How are steel coils inspected for hardness?
- Various methods are used to inspect the hardness of steel coils, ensuring their quality and suitability for specific applications. The Rockwell hardness test is a common method, involving the use of a diamond or ball indenter pressed into the coil's surface to measure indentation depth. The hardness value is then determined based on this measurement. Another method is the Brinell hardness test, which uses a hardened steel or tungsten carbide ball indenter to create an indentation on the coil's surface. The diameter of the indentation is measured, and the hardness value is calculated using a formula that considers the applied load and indentation diameter. On the other hand, the Vickers hardness test utilizes a pyramidal diamond indenter to create an indentation on the coil's surface. The lengths of the indentation diagonals are measured, and the hardness value is calculated using a formula that takes into account the applied load and diagonal lengths. In addition to these traditional methods, modern technology has introduced non-destructive testing techniques such as ultrasonic testing and eddy current testing. Ultrasonic testing involves transmitting ultrasonic waves through the coil and measuring the time it takes for the waves to return. Changes in the wave pattern can indicate variations in hardness. Eddy current testing, on the other hand, uses electromagnetic induction to detect changes in electrical conductivity, which can be correlated to hardness variations in the steel coil. Overall, steel coils undergo thorough inspection using a combination of traditional and advanced techniques to ensure their hardness meets the required specifications. These inspections are vital in maintaining the quality and dependability of steel products in various industries.
- Q: What types of steel are used in steel coils?
- There are various types of steel used in steel coils, including carbon steel, stainless steel, galvanized steel, and high-strength low-alloy steel.
- Q: What are the different types of steel coil handling attachments?
- There are several different types of steel coil handling attachments that are commonly used in industrial settings. These attachments are designed to safely and efficiently handle steel coils of various sizes and weights. One type of steel coil handling attachment is the coil lifter. This attachment is typically made of durable steel and is designed to securely grip the steel coil. It features a set of adjustable arms or hooks that can be positioned to fit the specific size and shape of the coil. Coil lifters are often used in conjunction with cranes or other lifting equipment to safely transport steel coils. Another common type of attachment is the coil grab. Similar to a coil lifter, a coil grab is used to securely grip and lift steel coils. However, coil grabs often feature a more compact design and are typically used in applications where space is limited. They can be operated manually or attached to a crane or forklift. Additionally, there are coil tongs that are specifically designed to handle smaller steel coils. These tongs are often used in manufacturing or processing facilities where coils need to be lifted and moved within a confined space. Coil tongs typically feature a set of adjustable jaws that can be positioned to grip the coil securely. In some cases, magnetic attachments are used to handle steel coils. These magnets are designed to attract and hold onto the steel, allowing for easy lifting and transportation. Magnetic attachments are often used in applications where other types of attachments may not be suitable, such as in environments with extreme temperatures or where the steel coils are coated. It is important to note that the specific type of steel coil handling attachment used will depend on the size and weight of the coils, as well as the specific requirements of the application. Industrial equipment suppliers can provide guidance on selecting the most appropriate attachment for a particular situation.
- Q: How are steel coils used in the production of steel framing systems?
- Steel coils are used in the production of steel framing systems as they are unrolled and fed into a machine that shapes and cuts the steel into the desired lengths and profiles. These coils provide a continuous supply of high-quality steel, allowing for efficient and precise manufacturing of steel framing components, which are then assembled to create sturdy and durable steel structures.
- Q: How are steel coils used in the manufacturing of defense equipment?
- Steel coils are used in the manufacturing of defense equipment as they provide the necessary strength, durability, and flexibility required for various applications. These coils are often processed and shaped into components such as armor plates, vehicle frames, ammunition casings, and other structural parts. The high tensile strength and resistance to impact and deformation make steel coils an ideal material for protecting military personnel and assets, ensuring the reliability and effectiveness of defense equipment.
- Q: What is the maximum temperature steel coils can withstand?
- The specific grade and type of steel being used determine the maximum temperature that steel coils can tolerate. Steel possesses strong heat resistance and can generally endure temperatures ranging from 550°C to 1,100°C (1,022°F to 2,012°F), depending on the grade. Nevertheless, it is essential to acknowledge that extended exposure to high temperatures may compromise the structural integrity of the steel, leading to permanent deformation or failure. Hence, it is crucial to adhere to the manufacturer's guidelines and specifications when establishing the maximum temperature that steel coils can withstand for particular applications.
- Q: What are the challenges in coil edge trimming for narrow strips?
- There are several challenges in coil edge trimming for narrow strips. Firstly, one of the main challenges is maintaining accuracy and precision during the trimming process. Narrow strips require a high level of precision to ensure that the edges are trimmed evenly and smoothly. Any deviation from this precision can result in uneven edges or burrs, which can affect the overall quality of the strip. Secondly, there is the challenge of controlling the strip tension. Narrow strips are more prone to tension issues, as they have less surface area to distribute the tension evenly. This can lead to problems such as strip breakage or stretching, which can impact the final product's quality. Another challenge is avoiding material waste. Narrow strips often have a smaller margin for error, meaning that any mistakes in the trimming process can result in a significant amount of wasted material. Minimizing material waste is crucial for cost-effectiveness and sustainable manufacturing practices. Additionally, maintaining a high production rate can be challenging when working with narrow strips. The trimming equipment needs to be able to handle the high speed required for efficient production while still maintaining accuracy and precision. This requires the use of advanced machinery and technology to ensure smooth and efficient operations. Lastly, the handling and transportation of narrow strips can also pose challenges. Due to their small size, narrow strips are more susceptible to damage during handling and transportation. Proper care and handling techniques need to be implemented to prevent any potential damage, which could affect the quality of the final product. Overall, the challenges in coil edge trimming for narrow strips revolve around precision, tension control, material waste, production rate, and handling. Overcoming these challenges requires the use of advanced technology, skilled operators, and careful attention to detail throughout the entire process.
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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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