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 Prepainted Aluminum Zinc Rolled Coil for Construction roof
Description of Prepainted Aluminum Zinc Rolled Coil for Construction roof
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 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 Prepainted 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 roof Images
Specifications of Prepainted Aluminum Zinc Rolled Coil for Construction roof
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 roof
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 steel coil loading and unloading devices?
- There are various types of steel coil loading and unloading devices that are commonly used in industrial settings. Some of the main types include coil lifters, coil hooks, coil grabs, and coil transfer carts. These devices are designed to safely and efficiently handle steel coils during the loading and unloading process, ensuring smooth operations and minimizing the risk of accidents or damage to the coils.
- Q: What are the challenges in coil slitting for narrow strip widths?
- There are several challenges associated with coil slitting for narrow strip widths. One of the main challenges is maintaining accuracy and precision during the slitting process. When dealing with narrow strip widths, even the slightest misalignment or deviation can result in significant defects or inconsistencies in the final product. This requires careful calibration and adjustment of the slitting equipment to ensure that the strips are cut with utmost accuracy. Another challenge is the risk of material damage or deformation during the slitting process. Narrow strip widths are more prone to distortion, wrinkling, or edge cracking, especially if the material is not properly handled or supported during slitting. Special care must be taken to ensure that the material is fed smoothly through the slitting machine and that the tension is properly controlled to minimize any potential damage. Additionally, narrow strip widths can pose challenges in terms of handling and transporting the slit coils. These coils are more susceptible to bending, twisting, or telescoping, which can lead to difficulties in stacking, storage, or transportation. Proper packaging and handling techniques must be employed to ensure that the slit coils maintain their shape and integrity throughout the supply chain. Furthermore, narrow strip widths often require more frequent blade changes during the slitting process. This increases the complexity and time required for setup and maintenance, as the blades need to be carefully selected and replaced to achieve optimal cutting results. It is crucial to have skilled technicians who can handle these blade changes efficiently and effectively. Overall, while coil slitting for narrow strip widths offers various benefits such as cost savings and increased material utilization, it also presents several challenges that need to be carefully addressed. These challenges include maintaining accuracy, preventing material damage, ensuring proper handling and transportation, and managing blade changes effectively. By understanding and addressing these challenges, manufacturers can optimize their coil slitting operations and produce high-quality narrow strip products.
- Q: if steel is heated from room temperature (20c) to (500c) what would be the change in density?coefficient for linear expansion of steel 12x10^-6 k density of steel 7800 kg
- First you have to convert the coefficient of linear expansion to a coefficient of volumetric expansion. Multiply the coefficient of linear expansion by 3: Coefficient of expansion of steel,β:12E-6/°K x 3 = 36E-6/°K Difference in temperature: 480°K ΔV = VoβΔT ΔV = Vo x (0.000036) x 480 ΔV = 1m? x 0.017 ΔV = 0.017m? Originally, the steel was at 7800 kg/m? Now, the steel was at 7800 kg/ 1.017m?, or 7670 kg/m? Change in density = 7670 - 7800 = -130kg/m?
- Q: Can steel coils be coated with scratch-resistant materials?
- Yes, steel coils can be coated with scratch-resistant materials. These coatings are typically applied to the surface of the steel coils to enhance their durability and protect them from scratches and abrasions.
- Q: What are the dimensions of steel coils used in the electrical equipment industry?
- The dimensions of steel coils used in the electrical equipment industry can vary depending on the specific application and requirements of the equipment being manufactured. However, there are some common dimensions that are frequently used in this industry. Typically, the width of steel coils used in electrical equipment manufacturing ranges from 0.5 inches to 72 inches (1.27 cm to 182.88 cm). The thickness of these coils can vary from as thin as 0.005 inches (0.0127 cm) to as thick as 0.25 inches (0.635 cm). The length of steel coils used in the electrical equipment industry can also vary, but it is often determined by the manufacturing process and the specific equipment being produced. Coils can range from a few feet to several hundred feet in length. Furthermore, the weight of steel coils can vary depending on their dimensions and the type of steel being used. For instance, a common weight range for steel coils used in the electrical equipment industry is between 5,000 pounds (2,268 kg) and 50,000 pounds (22,680 kg). It is important to note that these dimensions are not fixed and can vary based on the specific needs of the electrical equipment industry. Manufacturers may have their own unique specifications and requirements for the steel coils they use in their products.
- Q: How do steel coils contribute to the oil and gas industry?
- Steel coils are an essential component in the oil and gas industry as they are used to manufacture various equipment and structures like pipelines, storage tanks, and drilling rigs. These coils provide the necessary strength, durability, and resistance to corrosion required for the harsh operating conditions in the industry. Additionally, steel coils are crucial in the transportation of oil and gas as they are used in the construction of tankers and pipelines, ensuring the safe and efficient movement of these valuable resources.
- Q: What are the common surface finishes for steel coils?
- Steel coils can have various surface finishes, depending on specific requirements and applications. Some commonly used finishes include: 1. Hot-dip galvanization: This involves immersing the steel coil in molten zinc to create a protective layer. It offers excellent corrosion resistance and is often used outdoors. 2. Electro-galvanization: In this process, a thin layer of zinc is electroplated onto the steel coil. It provides good corrosion resistance and a smooth finish, making it suitable for automotive parts and appliances. 3. Galvannealing: Steel coils are coated with a zinc-iron alloy through a high-temperature annealing process. This finish improves paint adhesion and offers excellent corrosion resistance, making it ideal for automotive parts and construction materials. 4. Tinplating: A thin layer of tin is applied to the steel coil, providing excellent corrosion resistance and a shiny appearance. Tinplate is commonly used for packaging materials and cans. 5. Pre-painting: Steel coils are coated with a layer of paint, offering corrosion resistance and an attractive finish. It is often used for building materials like roofing and siding. 6. Cold-rolling: Steel coils are rolled at room temperature, resulting in a smooth and clean surface. Cold-rolled coils are used when a high-quality surface finish is required, such as in automotive parts and appliances. These are just a few examples of the surface finishes available for steel coils. The choice of finish depends on desired properties, such as corrosion resistance, appearance, and specific application requirements.
- Q: What are the different methods of coil joining for steel coils?
- There are several different methods of coil joining for steel coils, each with its own advantages and limitations. Some of the commonly used methods include: 1. Welding: This is one of the most popular methods of coil joining. It involves using heat to melt and fuse the edges of the steel coils together. Welding can be done using various techniques such as arc welding, resistance welding, or laser welding. It provides a strong and durable joint, but it can be time-consuming and may require skilled operators. 2. Mechanical fastening: This method involves using mechanical fasteners like clips, staples, or bolts to join the edges of the steel coils. Mechanical fastening is relatively quick and easy, and it allows for easy disassembly if required. However, it may not provide as strong a joint as welding and can be susceptible to loosening over time. 3. Adhesive bonding: Adhesive bonding involves using a suitable adhesive or glue to bond the edges of the steel coils together. This method provides a strong and uniform joint, and it can also help to seal and protect the joint from corrosion. However, adhesive bonding may require surface preparation and curing time, and it may not be suitable for high-temperature applications. 4. Interlocking or tongue-and-groove joints: This method involves shaping the edges of the steel coils in a way that they interlock or fit together like a puzzle piece. Interlocking joints provide good alignment and can be easily assembled and disassembled. However, they may not provide as strong a joint as welding or mechanical fastening. 5. Coil-overlapping: In this method, the edges of the steel coils are overlapped and clamped together using mechanical means. Coil-overlapping is a simple and cost-effective method, but it may not provide a strong joint and can result in uneven coil edges. It's important to consider factors such as the application requirements, strength requirements, cost, and production efficiency when choosing the appropriate method of coil joining for steel coils.
- Q: How are steel coils used in the manufacturing of chassis frames?
- Steel coils are used in the manufacturing of chassis frames by being shaped and welded to form the structural backbone of vehicles. These coils are typically cut and pressed into specific shapes to create the necessary strength and rigidity required for chassis frames.
- Q: gigantic navy ships made of steel float, why??
- Believe it or not - A steel boat floats for the exact same reason all boats float. And the very best - easy to understand explanation of this (with pictures) is at the link below.
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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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