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: Can steel coils be coated with silicon?
- Yes, steel coils can be coated with silicon.
- Q: How are steel coils used in the manufacturing of household appliances?
- Steel coils are used in the manufacturing of household appliances as they are shaped, cut, and formed into various parts such as panels, frames, and components. These coils provide strength, durability, and structural integrity to appliances like refrigerators, ovens, and washing machines, ensuring their stability and longevity.
- Q: What are the different methods of shearing steel coils?
- There exist various approaches to shearing steel coils, each with its own unique pros and cons. Some of the most prevalent methods include: 1. Guillotine Shearing: This technique involves the use of a guillotine-like machine that vertically moves a blade to slice through the steel coil. Guillotine shearing provides high efficiency and accuracy, making it suitable for large-scale industrial production. However, it can lead to deformation or burrs on the cut edges. 2. Rotary Shearing: In rotary shearing, a set of rotating blades is employed to cut through the steel coil. This method enables continuous cutting, making it ideal for high-speed production lines. It ensures a clean and precise cut, but necessitates regular maintenance and blade sharpening. 3. Slitting: Slitting entails passing the steel coil through circular blades that create multiple parallel cuts. This method is commonly used to produce narrower strips from wider coils. It offers great precision and the ability to generate multiple strips simultaneously. However, slitting may result in edge burrs or camber on the strips. 4. Laser Cutting: Laser cutting utilizes a high-powered laser beam to melt or vaporize the steel coil along a predetermined path. This method offers exceptional precision and can cut intricate shapes or patterns. It is commonly employed for specialized applications where accuracy is crucial, although it can be relatively costly. 5. Waterjet Cutting: Waterjet cutting employs a high-pressure stream of water mixed with abrasive particles to cut through the steel coil. This method is versatile and can handle various materials and thicknesses. It is especially useful for cutting heat-sensitive materials or for applications requiring minimal distortion. 6. Plasma Cutting: Plasma cutting involves ionizing a gas to create a plasma arc that melts and blows away the steel coil. This method is fast and efficient, making it suitable for cutting thick steel coils. However, it may produce a wider heat-affected zone compared to other methods. 7. Electrical Discharge Machining (EDM): EDM employs electrical discharges to erode the steel coil and achieve the desired shape. This method is commonly used for intricate or delicate cutting tasks that demand high precision. It is particularly effective for hard materials. Each method of shearing steel coils possesses its own set of advantages and limitations, and the choice depends on factors such as the required precision, speed, material thickness, and the desired end-product.
- Q: What are the limitations of using steel coils in certain applications?
- One limitation of using steel coils in certain applications is their susceptibility to corrosion. Steel coils can rust when exposed to moisture or harsh environments, which can affect their structural integrity and performance. Additionally, steel coils can be heavy and bulky, making them less suitable for applications that require lightweight materials or intricate designs. Finally, steel coils may not be suitable for applications that require specific electrical or thermal conductivity properties, as steel is not the most conductive material in these aspects.
- Q: and also what makes different hardness of stainless steel?
- Stainless steel is formed due to other metals present, that are resistant to corrosion. The main one is chromium, which is an excellent protector. Hardness in steel is due to other metals, as well as the carbon content. Chromium, vanadium and tungsten make steel extraordinarily hard. High carbon content makes steel hard but brittle.
- Q: How do steel coil manufacturers meet customer specifications?
- Steel coil manufacturers meet customer specifications by carefully analyzing the requirements provided by the customer and utilizing advanced production techniques to ensure precise dimensions, mechanical properties, and surface finishes. They employ strict quality control measures throughout the manufacturing process, including rigorous testing and inspections, to ensure that the coils meet the specified standards. Additionally, manufacturers often collaborate closely with customers to understand their unique needs and provide customized solutions that meet or exceed their expectations.
- Q: I have a need to connect various stainless steel tubes and fitting together and was wondering how to do it. I know a TIG welder is an option but have heard rumors that there is a way to solder it in much the same way you affix copper pipe. Perhaps with higher heat and different flux. I need step by step and maybe suppliers of the materials. Thanks in advance and please I do not need the call a plumber answers as I've gotten in the past
- ss has to be either welded or brazed you can [solder ] it but it has to be a silver solder, and will not have any strength
- Q: What are the different methods of coil slitting for steel coils?
- There exists a variety of techniques for coil slitting steel coils, each serving a specific purpose and employed in various industries. Here are several commonly used methods: 1. The most widely employed technique for coil slitting is rotary shear slitting. It entails the utilization of rotating knives to divide the steel coil into smaller strips. Renowned for its speed and precision, rotary shear slitting is ideal for large-scale production. 2. Loop slitting involves feeding the steel coil through a loop control system that maintains constant tension. Subsequently, a rotating knife is used to cut the coil into strips. Loop slitting is often utilized for thinner gauge materials due to its ability to produce clean, burr-free edges. 3. Oscillating shear slitting employs oscillating knives to cut the steel coil. These knives move back and forth rapidly, creating a shearing effect that facilitates cutting through the coil. This technique is commonly used for thicker gauge materials and can handle higher tensile strengths. 4. Crush cut slitting involves pressing a circular blade against the steel coil to cut it. The blade crushes the material, resulting in a cut. This method is frequently used for softer materials or when edge quality is not of utmost importance. 5. Slit edge rolling is a technique that involves rolling the edges of the steel coil after it has been slit. This process smooths out the edges and enhances the appearance of the strips. Slit edge rolling is often employed in applications that require a high-quality finish. 6. Laser slitting is a relatively new method that utilizes a laser beam to cut through the steel coil. This technique offers precision and can handle a wide range of thicknesses. Laser slitting is commonly used in high-precision applications where edge quality is crucial. These represent just a few of the various coil slitting methods for steel coils. The selection of a method depends on factors such as material thickness and tensile strength, desired edge quality, and the intended application of the slit strips.
- Q: How do steel coils perform in high-temperature applications?
- Steel coils perform well in high-temperature applications due to their excellent heat resistance and structural stability. The high melting point of steel allows it to maintain its strength and shape even at elevated temperatures, making it suitable for various industries such as automotive, construction, and manufacturing. Additionally, steel coils can withstand thermal expansion and contraction without warping or deforming, ensuring reliable performance and durability in extreme heat conditions.
- Q: What are the weight ranges of steel coils?
- The weight ranges of steel coils can vary depending on their dimensions and intended use. Generally, steel coils can range from a few hundred pounds to several tons in weight. For example, hot-rolled steel coils typically weigh between 10 and 25 tons, while cold-rolled steel coils can weigh anywhere from a few hundred pounds to 20 tons. The weight of steel coils can also vary based on factors such as the thickness and width of the coil, as well as the grade and type of steel being used. Ultimately, the weight range of steel coils is determined by the specific requirements of the industry and application in which they are being used.
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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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