Prepainted Rolled steel Coil for Construction Roofing Use
- 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 used in the production of pipes?
- Steel coils are used in the production of pipes by being uncoiled and passed through a series of forming rolls to shape them into a cylindrical tube. These coils provide the raw material needed for pipe manufacturing and ensure a consistent and high-quality product.
- Q: Does steel contain nickel?
- Yes. Different alloys contain differing amounts.
- Q: What are the typical tolerances for steel coils?
- The typical tolerances for steel coils depend on various factors such as the specific grade of steel, the manufacturing process, and the intended application. However, some common tolerances for steel coils include thickness tolerances of +/- 0.005 to 0.010 inches, width tolerances of +/- 0.020 to 0.050 inches, and length tolerances of +/- 0.125 to 0.250 inches. These tolerances ensure that the steel coils meet the required specifications and can be used efficiently in different industries such as automotive, construction, and manufacturing.
- Q: What are the different types of steel alloys used in coil manufacturing?
- There are several different types of steel alloys used in coil manufacturing, including carbon steel, stainless steel, and high-strength low-alloy (HSLA) steel. Carbon steel is the most commonly used alloy, known for its high strength and durability. Stainless steel is used for its corrosion resistance and aesthetic appeal. HSLA steel offers a combination of strength, formability, and weldability, making it suitable for various applications in coil manufacturing.
- Q: How are steel coils used in the production of heating systems?
- Steel coils are used in the production of heating systems in various ways. One of the main uses of steel coils in heating systems is in the construction of heat exchangers. Heat exchangers play a crucial role in transferring heat from one medium to another within the heating system. The steel coils are typically formed into a series of tubes or fins, which provide a large surface area for efficient heat transfer. In a typical heating system, hot gases or liquids pass through these steel coils, while another medium, such as air or water, flows over or through the coils. This allows for the transfer of heat energy from the hot medium to the cooler medium, thereby effectively heating the air or water for distribution throughout the heating system. Another use of steel coils in heating systems is for the production of radiant heating panels or floor heating systems. In these applications, the steel coils are typically embedded within a panel or underneath the flooring. When electricity or hot water is passed through the coils, they heat up, radiating heat to the surrounding environment. This type of heating system is particularly efficient and provides a comfortable and even distribution of heat. Furthermore, steel coils are also used in the manufacturing of heating system components such as boilers, furnaces, and heat pumps. These components often require the use of steel coils for their heat transfer capabilities and durability. The coils are integrated into the design of these heating system units to ensure efficient and reliable heat generation and distribution. Overall, steel coils play a crucial role in the production of heating systems by enabling efficient heat transfer, providing durability, and facilitating the generation and distribution of heat.
- Q: Can steel coils be used in the production of consumer goods?
- Yes, steel coils can be used in the production of consumer goods. Steel coils are typically used as raw material in various industries, including automotive, construction, and manufacturing. In the consumer goods industry, steel coils can be used to produce a wide range of products such as appliances, furniture, tools, packaging materials, and even consumer electronics. The inherent strength, durability, and versatility of steel make it an ideal choice for manufacturing consumer goods that require stability, safety, and longevity. Additionally, steel coils can be easily shaped, molded, and formed into different components or parts, allowing for customization and design flexibility in the production process. Therefore, steel coils play a crucial role in the production of consumer goods and are widely used across various sectors.
- 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: How do steel coils affect the quality of finished products?
- Steel coils can have a significant impact on the quality of finished products. Their quality, including dimensions, surface condition, and mechanical properties, directly affects the final product's strength, durability, and appearance. Coils with inconsistent dimensions or surface defects can lead to uneven or weak finished products. Similarly, if the mechanical properties of the coils do not meet the required specifications, it can compromise the performance and functionality of the end product. Therefore, ensuring the high quality of steel coils is crucial for achieving superior finished product quality.
- Q: In what ways can steel fail in use of buildings ad what can be done to prevent it?
- stress fractures, corrosion and heat can lead to failure. I worked the high steel for a few years when i was younger as an iron worker. Everything has to be set and welded or riveted properly. can you be more specific Steel is very flexible, so it makes a good building material. Its usually the concrete that fails first.
- Q: How are steel coils inspected for flatness using optical sensors?
- The process of inspecting the flatness of steel coils involves the use of optical sensors, which are part of a system known as optical flatness measurement. This system employs high-resolution cameras to capture images of the steel surface as it passes through the inspection line. To begin, the steel coil is unwound and conveyed over a roller table. While in motion, the optical sensors are positioned above the coil to capture images at regular intervals. These sensors are typically a combination of laser line projectors and high-resolution cameras. The laser line projectors emit a thin, straight line of laser light across the width of the steel coil. This laser line serves as a reference plane for measuring the flatness of the steel surface. Subsequently, the high-resolution cameras capture images of the laser line interacting with the steel coil. The captured images are then subjected to analysis using advanced image processing algorithms. These algorithms examine the deformation of the laser line on the steel surface and calculate the deviations from the flat reference plane. These deviations indicate any irregularities or variations in the flatness of the steel coil. The optical sensors possess the capability to accurately detect even the most minute deviations in flatness, measuring them in micrometers or smaller units. This enables manufacturers to identify and correct any flatness issues in the steel coils before further processing or shipment. In addition to measuring flatness, optical sensors can also identify other surface defects such as waviness, scratches, or dents. By incorporating multiple cameras and laser line projectors from different angles, a comprehensive inspection of the steel coil's surface can be achieved. Overall, the utilization of optical sensors for inspecting steel coil flatness offers a swift, precise, and non-contact method. By identifying and addressing any flatness issues early in the production process, manufacturers can guarantee the delivery of top-quality steel products to their customers.
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Prepainted Rolled steel Coil for Construction Roofing Use
- 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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