Color Rolled Galvalume Steel coil for 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 Color Rolled Galvalume Steel Coil for Roof
Description of Color Rolled Galvalume Steel Coil for 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 Color Rolled Galvalume Steel Coil for 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 Color Rolled Galvalume Steel Coil for 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.
Color Rolled Galvalume Steel Coil for Roof 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: What are the dimensions of steel coils?
- The dimensions of steel coils can vary depending on the specific application and industry. However, they are typically available in widths ranging from 0.5 inches to 72 inches and thicknesses ranging from 0.005 inches to 0.5 inches. The length of steel coils can vary as well, but they are commonly found in lengths of 100 feet to 1000 feet.
- Q: Can steel coils be coated with anti-glare materials?
- Yes, steel coils can be coated with anti-glare materials.
- Q: All of my friends say that if a car made of mostly carbon fiber would crash into a full steel car, or vice versa, the steel car would be DESTROYED and the carbon fiber would drive away, if not, easily repairable.
- At a reasonably high speed, both cars would be undrivable. That's by design, not due to the strength/weakness of the materials. The energy in an impact needs to go somewhere. Cars are designed so the body and the frame will bend and break, reducing the impact on the occupants. If the car is too rigid the chances of the occupants being injured increases. Carbon fiber composites do have a better strength to weight ratio than steel but they're also a lot less dense, so the same volume of material will have a similar strength. The primary benefit to carbon fiber is that for a part of the same strength the carbon fiber part will weigh less than the steel part.
- Q: What is the difference between steel coils and steel sheets?
- Steel coils and steel sheets differ primarily in their form and dimensions. Steel coils are long, continuous rolls of steel that have been wound up after being processed. They are typically produced in large quantities and are used in various industries, such as automotive and construction. Steel sheets, on the other hand, are flat pieces of steel that have been cut from coils or directly produced in a flat form. They come in different sizes and thicknesses, making them more suitable for specific applications such as roofing, cladding, or fabrication. In summary, while steel coils are the raw material for steel sheets, the main distinction is that coils are long rolls, while sheets are flat pieces of steel.
- Q: What are the common methods of joining steel coils?
- Various techniques can be employed to join steel coils, depending on the desired outcome and specific application. Butt welding is a commonly utilized method wherein the two ends of the steel coils are aligned and welded together. Gas welding, electric resistance welding, or laser welding can be employed for this purpose. This technique yields a strong and continuous joint without the need for additional material. For temporary or low-stress applications where disassembly may be necessary, overlapping and stitching is an option. In this technique, one end of the steel coil is overlapped onto the other end and fastened together using mechanical means such as staples, nails, or screws. Mechanical couplings are another means of joining steel coils. These couplings are designed to fit over the coil ends and securely hold them together. They are commonly used in pipelines where the joint must be leak-proof and capable of withstanding high pressure. Adhesive bonding is a method that involves applying a suitable adhesive or bonding agent to the coil ends and pressing them together. This technique results in a clean and visually appealing joint, although the strength may vary depending on the adhesive used. Similar to overlapping and stitching, overlapping and welding involves overlapping the coil ends and welding them together. However, instead of using mechanical fasteners, welding is employed to create a stronger and more permanent joint. This method is frequently employed in structural applications that require high strength and durability. It should be noted that the selection of a joining method depends on factors such as the type of steel, application requirements, and desired joint strength. Careful consideration should be given to ensure that the chosen method is suitable for the specific project.
- Q: What are the different types of steel coil packaging materials?
- Some common types of steel coil packaging materials include wooden crates, steel frames, plastic strapping, stretch wrap, and steel bands.
- Q: How are steel coils used in the production of steel washers?
- Steel coils are used in the production of steel washers as they are unwound, flattened, and cut into smaller pieces to create the raw material for manufacturing washers.
- Q: How are steel coils inspected for impact resistance?
- Steel coils are inspected for impact resistance through various methods including conducting visual inspections, performing non-destructive testing such as ultrasonic testing and magnetic particle inspection, and conducting drop tests to simulate real-life impact scenarios. These inspection techniques help ensure that the steel coils meet the required standards and can withstand potential impacts during transportation, handling, and usage.
- Q: How are steel coils tested for compliance with industry standards?
- To ensure compliance with industry standards, steel coils undergo a series of rigorous quality control measures. These tests are conducted to verify that the coils meet necessary specifications and are suitable for various applications. Among the primary tests performed on steel coils is dimensional inspection. This entails measuring the thickness, width, and length of the coils to ensure they fall within specified tolerances. Any deviations from the required dimensions may indicate manufacturing defects or potential issues during fabrication. Another crucial test is visual inspection, where trained inspectors meticulously examine the coils for surface defects like scratches, dents, or cracks. Identifying and rectifying these defects is essential as they can impact the performance and durability of the steel coils before they are supplied to customers. Additionally, mechanical properties testing is carried out to assess the strength, elasticity, and toughness of the steel coils. This includes conducting tests for tensile strength, yield strength, and elongation measurements. These evaluations help determine if the coils are suitable for specific applications and if they meet the required performance standards. Furthermore, chemical composition analysis is performed to validate the elemental composition of the steel coils. This analysis is crucial as it ensures that the steel meets the required chemical requirements, including the presence of specific alloying elements. Deviations in composition can significantly affect the overall quality and performance of the coils. Corrosion resistance testing is also of great importance, particularly for coils used in environments with high humidity or exposure to corrosive substances. Coils are subjected to simulated real-world conditions, such as salt spray or humidity chambers, to evaluate their resistance to corrosion. Lastly, various non-destructive testing techniques, including ultrasonic testing and magnetic particle inspection, are employed to detect internal defects or discontinuities in the steel coils. These tests assist in identifying any hidden flaws that could compromise the structural integrity of the coils. In summary, steel coils undergo a comprehensive array of tests to ensure adherence to industry standards. By conducting these tests, manufacturers can guarantee that the coils meet the required specifications, thereby providing customers with high-quality products tailored to their specific needs.
- Q: How do steel coil manufacturers handle international shipping requirements?
- Steel coil manufacturers handle international shipping requirements by ensuring that their products meet the necessary standards and regulations for transportation. This includes adhering to specific packaging requirements, such as utilizing appropriate containers and securing the coils to prevent damage during transit. To meet international shipping requirements, manufacturers also need to comply with customs regulations and documentation. They must prepare accurate and complete paperwork, including commercial invoices, packing lists, and bills of lading, to facilitate smooth customs clearance procedures. Moreover, steel coil manufacturers often work with freight forwarders or shipping agents who specialize in international logistics. These professionals have extensive knowledge of shipping regulations, routes, and carriers, and can assist in arranging transportation, negotiating freight rates, and handling all necessary paperwork. Manufacturers may also opt to use intermodal transportation, which involves utilizing multiple modes of transportation, such as trucks, trains, and ships, to transport their steel coils. This allows for more efficient and cost-effective shipping, especially for long-distance or international shipments. Additionally, steel coil manufacturers may consider insurance coverage to protect their products during transit. Insurance can provide financial compensation in case of any damage, loss, or delays during the shipping process. Overall, steel coil manufacturers handle international shipping requirements through careful planning, compliance with regulations, collaboration with experts in logistics, and consideration of various transportation options. This helps ensure that their products reach international destinations safely, on time, and in compliance with all relevant regulations.
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Color Rolled Galvalume Steel coil for 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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