Prepainted Rolled Steel Coil For Construction roofing Constrution
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 30000 m.t./month
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Structure of Prepainted Rolled steel Coil for Construction Roofing
Description of Prepainted Rolled steel Coil for Construction Roofing
Prepainted Rolled steel Coil 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 Rolled steel Coil for Construction Roofing
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 Rolled steel Coil for Construction Roofing
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 Rolled steel Coil for Construction Roofing
Product | Prepainted Rolled steel Coil for Construction Roofing |
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 | 10MT max |
Export package | Cardboard inner sleeves, Waterproof paper, galvanized steel covered and steel strip packed |
FAQ of Prepainted Rolled steel Coil for Construction Roofing
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 coated or painted?
- Steel coils are typically coated or painted using a process known as coil coating. This involves a series of steps including cleaning, pretreating, applying primer, and applying the final topcoat. The coils are first cleaned to remove any dirt or contaminants. They are then pretreated to enhance adhesion and corrosion resistance. After that, a primer is applied to provide a base layer for the paint. Finally, the desired topcoat is applied using various methods such as roll coating, spray coating, or electrostatic coating.
- Q: What are the challenges in the production of steel coils?
- The production process of steel coils encounters several obstacles. Firstly, ensuring consistent quality throughout the process is a major challenge. It is necessary for steel coils to possess uniform thickness, width, and flatness. However, achieving this consistently can prove to be difficult due to variations in raw materials, equipment, and operating conditions. Another hurdle involves effectively managing the intense temperatures involved in the production process. Steel coils are formed by heating steel slabs or billets to extremely high temperatures and subsequently rolling them into coils. Maintaining the necessary temperatures and ensuring proper cooling can be a complex task, as any deviations can result in inconsistencies in the final product. Furthermore, the production of steel coils demands a significant amount of energy. The steel industry ranks among the largest energy consumers worldwide. The constant challenge lies in reducing energy consumption while maintaining production efficiency. To tackle this challenge, the implementation of energy-efficient technologies and process optimization is imperative. Moreover, the production of steel coils generates a substantial amount of waste and emissions. Steel manufacturing involves various chemical reactions that release pollutants such as carbon dioxide, sulfur dioxide, and particulate matter. Meeting environmental regulations and minimizing these emissions are significant challenges for the industry. Additionally, the production of steel coils often involves large quantities, necessitating efficient logistics and transportation systems. Ensuring timely delivery and minimizing damage during transportation can be challenging due to the weight and size of the coils. Lastly, the steel industry confronts market challenges, including fluctuating prices of raw materials, competition from alternative materials, and global economic conditions. Adapting to market demands and maintaining competitiveness are vital for the sustainable production of steel coils. Overall, the challenges in steel coil production encompass maintaining consistent quality, managing high temperatures, reducing energy consumption and emissions, optimizing logistics and transportation, and adapting to market dynamics. Addressing these challenges requires continuous innovation, technological advancements, and a focus on sustainability.
- Q: Can steel coils be used in the production of medical equipment?
- Yes, steel coils can be used in the production of medical equipment. Steel is a versatile material known for its strength, durability, and ability to withstand various environmental conditions. It is commonly used in the manufacturing of medical equipment such as surgical instruments, orthopedic implants, hospital beds, and diagnostic machines. Steel coils are often utilized as a raw material in the production process. They can be processed and formed into various shapes, sizes, and components required for medical equipment. The coils can be cut, shaped, and welded to create intricate parts with precise specifications, ensuring the quality and performance of the final product. Moreover, steel coils can be surface-treated to enhance their corrosion resistance, making them suitable for use in medical environments where cleanliness and hygiene are crucial. Coatings such as electroplating or powder coating can be applied to provide an additional layer of protection against rust and other forms of degradation. Furthermore, steel is a cost-effective material, which makes it an attractive choice for medical equipment manufacturers. Its availability and affordability make it a preferred option for producing high-quality medical devices while keeping the production costs manageable. In summary, steel coils can indeed be used in the production of medical equipment. Their strength, durability, versatility, and cost-effectiveness make them an ideal choice for manufacturing various components and instruments used in the healthcare industry.
- Q: How much does a steel coil weigh?
- The weight of a steel coil can vary depending on its dimensions and thickness. However, on average, a steel coil can weigh anywhere between 2 to 20 tons.
- Q: What are the challenges in coil blanking?
- In order to achieve efficient and accurate production, coil blanking, a process used to cut flat metal sheets from coiled stock, must tackle several challenges. Some of the key challenges include: 1. Material variations: Coiled stock can have variations in thickness, width, and surface quality, which can impact the cutting process and result in inconsistent blanks. To ensure consistent quality and dimensional accuracy, it is crucial to carefully select and control the material. 2. Coil set and crossbow: Coiled stock often has inherent shape imperfections like coil set (longitudinal curvature) and crossbow (transverse curvature), which can cause alignment issues during cutting. Minimizing these imperfections requires the use of specialized equipment and techniques, such as straighteners and leveling systems. 3. Coil edge condition: The edges of coiled stock can have burrs, waves, or irregularities, which can affect the quality and precision of the cut blanks. Employing proper edge conditioning techniques, like deburring or edge trimming, is necessary to ensure clean and straight edges. 4. Slitting and shearing forces: The forces exerted during coil blanking can induce stresses and strains in the material, potentially leading to deformation or springback. To minimize these effects and maintain dimensional accuracy, careful consideration of slitting and shearing forces, along with proper tooling design and machine settings, is necessary. 5. Scrap and material waste: Coil blanking can generate significant amounts of scrap material, especially during setup and adjustment phases. Managing scrap and reducing material waste is crucial to optimize production efficiency and minimize costs. Efficient nesting algorithms and real-time monitoring systems can help achieve this. 6. Automation and productivity: Due to market demands, coil blanking often requires high-speed and high-volume production. Enhancing productivity can be achieved through the implementation of automation systems, such as robotic material handling and advanced control systems. However, integrating and synchronizing these components with the cutting process requires careful planning and system integration expertise. Overall, addressing these challenges in coil blanking necessitates proper material selection, advanced equipment, specialized techniques, and efficient process control. By overcoming these challenges, manufacturers can achieve consistent quality, dimensional accuracy, and productivity in coil blanking operations.
- Q: How are steel coils used in the production of steel connectors?
- Steel coils are used in the production of steel connectors as they are formed into specific shapes and sizes, such as plates or bars, which are then cut, bent, and welded to create the connectors. The coils provide a continuous and easily manageable supply of steel material, allowing for efficient and precise manufacturing processes.
- Q: Aluminum alloy rolling doors and color steel shutter door that good
- Among them, aluminum alloy rolling doors and ordinary rolling doors, both from the appearance, environmental protection or safety, have considerable advantages. Aluminum Alloy doors can be sprayed on the surface of various colors and patterns, but also with the concavity of the wood, sand grain coated, highlight the noble temperament, improve grades, if it is used in shops, you can let your talent shows itself in many shops in the.
- Q: What is the difference between hot-rolled and cold-rolled steel coils?
- Hot-rolled steel coils are produced at high temperatures, resulting in a rough surface and less precise dimensions. Cold-rolled steel coils, on the other hand, are processed at lower temperatures, leading to a smoother surface and more accurate dimensions.
- 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: How are steel coils used in the manufacturing of crash structures?
- Steel coils are used in the manufacturing of crash structures as they provide strength, durability, and energy absorption capabilities. These coils are typically formed into various shapes and sizes to create components that reinforce the vehicle's body, such as side impact beams or front and rear crumple zones. The steel coils absorb and distribute the impact energy during a crash, helping to protect the occupants by minimizing the force transferred to the passenger compartment.
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Prepainted Rolled Steel Coil For Construction roofing Constrution
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 30000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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