Pre-painted Rolled Steel Coil for Construction Roofing
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 25 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:What is the minimum order quantity for steel coils?
- The minimum order quantity for steel coils varies depending on the supplier and specific product. It is recommended to contact the supplier directly to inquire about their minimum order requirements for steel coils.
- Q:How are steel coils processed for stamping or forming?
- Steel coils are processed for stamping or forming through a series of steps which generally include uncoiling, leveling, lubricating, feeding, stamping/forming, and cutting. Initially, the steel coil is uncoiled to remove any tension and then passed through a leveling machine to ensure a flat surface. Lubrication is applied to reduce friction during the stamping/forming process. The coil is then fed into a stamping or forming machine, which shapes it according to the desired design. Finally, the formed steel is cut into individual pieces, ready for further use or assembly.
- Q:How do steel coils contribute to strength and durability in manufacturing?
- Steel coils contribute to strength and durability in manufacturing in several ways. Firstly, steel is an inherently strong material due to its high tensile strength, which allows it to withstand heavy loads and resist deformation. When steel is coiled, it undergoes a process called hot rolling or cold rolling, which further enhances its strength and durability. During hot rolling, the steel is heated to high temperatures and then passed through a series of rollers, which compress and shape it into a coil. This process aligns the grain structure of the steel, making it more uniform and reducing internal stresses. The result is a stronger and more resilient material that can withstand the rigors of manufacturing processes such as bending, stamping, and forming without losing its structural integrity. Cold rolling, on the other hand, involves passing the steel through rollers at room temperature. This process not only increases the strength and hardness of the steel but also improves its surface finish. Cold-rolled steel coils are known for their smooth and uniform appearance, making them ideal for applications where aesthetics are important. Furthermore, steel coils can be coated with various protective layers to enhance their durability. These coatings, such as zinc or polymer-based coatings, act as barriers against corrosion, moisture, and other environmental factors that can weaken the steel. By preventing rust and degradation, these coatings extend the lifespan of steel coils and the products they are used in, making them more durable and cost-effective in the long run. In summary, steel coils contribute to strength and durability in manufacturing by providing a strong and resilient material that can withstand heavy loads and resist deformation. The hot rolling and cold rolling processes further enhance the strength and uniformity of the steel, while protective coatings help to prevent corrosion and extend the lifespan of the coils. Overall, steel coils are essential components in manufacturing that contribute to the strength and durability of a wide range of products.
- Q:How are steel coils used in the production of building facades?
- Steel coils are used in the production of building facades as they are rolled into flat sheets and then cut into various sizes and shapes. These steel sheets are then formed, fabricated, and installed to create the outer layer of a building. The steel coils provide strength, durability, and a sleek, modern appearance to the facades, making them an essential component in the construction industry.
- Q:What are the main factors that affect the price of steel coils?
- The main factors that affect the price of steel coils are the cost of raw materials, supply and demand dynamics, production and transportation costs, changes in government policies and regulations, and global economic conditions.
- Q:Hi I was thinking about buying this knife, but i wasn't sure if it was good because it's stainless steel.
- This isn't really a question for this section, but I'm still happy to help out since I'm a big cutlery nerd as well. One thing to look out for when buying a knife is a lack of specifics on what steel is being used. High Carbon Stainless Steel doesn't tell you what the steel is, just what it MIGHT be. Chances are it's something along the lines of 420HC or 440A, both of which are softer steels. They aren't the worst steels around, but they are very quick to dull. You'd be better off looking at the Balisongs of Benchmade. They'll cost more, but you'll know that you're getting something made with quality materials and that won't break on you. And if it does break for some odd reason, Benchmade's warranty and customer service are both fantastic. Although if a more questionable knife is okay with you as long as the price isn't too high, then at least 420HC and 440A aren't too brittle and will take a decent edge even though they'll dull quickly. As for whether stainless steel is good for a knife or not, that depends on the type of stainless steel and what you're going to use the knife for. Many stainless steels are more brittle than a carbon steel, so high carbon stainless steels are a bit more likely to rust but a little tougher as well. In a butterfly knife, a steel like that is a good way to go, although the steels used by Benchmade, as I mentioned, are of a much better quality.
- Q:How are steel coils used in the production of transportation equipment?
- Steel coils are used in the production of transportation equipment, such as automobiles, ships, and trains, to create various structural components. These coils are typically shaped and formed into parts like chassis, frames, bodies, and panels, providing strength, durability, and stability to the vehicles. Additionally, steel coils can be used in the manufacturing of wheels, axles, and suspension systems, ensuring reliable performance and safety in transportation equipment.
- Q:What is the accuracy of steel tape inspection?
- For example, you measure the length of a steel tape by 12.5 millimeters, 12 of which can be measured on a steel tape measure, and 0.5 you read. So the accuracy is millimeters.
- Q:For example, (and this is weird) if I were wearing a steel collar and I needed some way to remove it, with limited supplies.Force is difficult because it would be around my neck.Chemical cominations are great- but they have to use VERY common products. And I'm not sure what to use.Other ideas?
- There are plenty of ways to damage/weaken steel... shear or tensile force, fatigue, temperature, corrosion, grinding, etc... there are even dozens of ways to do each of the things I just listed. But in the case you suggested, with the steel being very close to skin... a simple pair of bolt cutters would probably be the easiest.
- Q:What are the different methods of punching steel coils?
- There are several methods of punching steel coils, including mechanical punching, hydraulic punching, and laser punching. Mechanical punching involves the use of a mechanical press with a punch and die set to create holes or shapes in the steel coil. Hydraulic punching utilizes hydraulic force to drive a punch through the coil, providing high precision and speed. Laser punching, on the other hand, uses a laser beam to cut or form holes in the steel coil, offering great flexibility and accuracy. Each method has its own advantages and suitability depending on the specific requirements of the application.
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Pre-painted Rolled Steel Coil for Construction Roofing
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 25 m.t./month
OKorder Service Pledge
OKorder Financial Service
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