Prepainted Aluminum Zinc Rolled Coil for Roof construction
- 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 Prepainted Aluminum Zinc Rolled Coil for Roof construction
Description of Prepainted Aluminum Zinc Rolled Coil for Roof construction
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 Prepainted Aluminum Zinc Rolled Coil for Roof construction
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 Aluminum Zinc Rolled Coil for Roof construction
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.
Prepainted Aluminum Zinc Rolled Coil for Roof construction Image
Specifications of Prepainted Aluminum Zinc Rolled Coil for Roof construction
Surface Treatment | Feature |
Chemical Treatment | minimize the chance of humid-storage staining forms a dark gray surface discoloration on the surface |
retain the bright metallic luster for a long period | |
Oil | minimize the tendency for humid-storage stain |
Chemical Treatment and Oil | The chemical treatment provides very good protection against humid-storage staining, while the oil provides lubricity for operations. |
Dry | must be transported and stored with special precautions to preserve low-humidity conditions. |
Anti-finger print | minimize the chance of humid-storage staining forms a dark gray surface discoloration on the surface |
FAQ of Prepainted Aluminum Zinc Rolled Coil for Roof 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 common defects in steel coil finishes?
- Some common defects in steel coil finishes include scratches, dents, waviness, uneven coating thickness, corrosion, and surface contamination.
- Q:How do steel coils contribute to the marine equipment industry?
- Steel coils play a crucial role in the marine equipment industry by providing the necessary raw material for the construction of various marine equipment and structures. These coils, which are typically made of high-strength steel, offer several key contributions to the industry. Firstly, steel coils are used in the manufacturing of ships and boats. The high strength and durability of steel make it an ideal material for constructing the hulls, decks, and other structural components of vessels. Steel coils are employed to fabricate these parts, ensuring the necessary strength and integrity to withstand the harsh marine environment, including corrosion, waves, and impact. Furthermore, steel coils are essential in the production of offshore structures such as oil rigs, drilling platforms, and wind turbines. These structures require robust materials capable of withstanding extreme weather conditions, heavy loads, and corrosive saltwater. Steel coils provide the necessary strength and corrosion resistance needed for these applications, ensuring the safety and longevity of offshore installations. Steel coils also contribute to the marine equipment industry by being utilized in the construction of various marine components and equipment. For instance, steel coils are used in the fabrication of propellers, shafts, and other propulsion systems. The high strength-to-weight ratio of steel makes it an excellent choice for these critical components, ensuring efficient propulsion and maneuverability of ships and boats. Moreover, steel coils are employed in the manufacturing of marine equipment such as cranes, winches, and lifting systems. These equipment pieces require sturdy materials capable of withstanding heavy loads and continuous use. Steel coils provide the necessary strength and durability for these applications, ensuring safe and efficient operations in the marine industry. In summary, steel coils contribute significantly to the marine equipment industry by providing the necessary raw material for the construction of ships, offshore structures, marine components, and equipment. The high strength, durability, and corrosion resistance of steel make it an ideal choice for withstanding the harsh marine environment. Without steel coils, the marine industry would face challenges in building robust and reliable marine equipment and structures.
- Q:What is a steel coil?
- A steel coil is a long, continuous strip of flat-rolled steel that is wound into a coil shape. It is typically used in various industries, such as automotive, construction, and manufacturing, for making a wide range of products, including pipes, tubing, roofing, appliances, and automotive parts.
- Q:How are steel coils used in the production of metal bridges?
- Steel coils are used in the production of metal bridges as they are rolled into the desired shape and size to form the structural components of the bridge, such as beams, girders, and support structures. These coils provide the necessary strength and durability to withstand the weight and stress of the bridge, ensuring its long-term stability and safety.
- Q:What are the different types of steel coil slitting knives?
- There are several different types of steel coil slitting knives, including circular slitting knives, straight slitting knives, and crush-cut slitting knives. These knives are used for precision cutting and slitting of steel coils into narrower strips or sheets. Circular slitting knives feature a circular shape with sharp edges, while straight slitting knives have a straight cutting edge. Crush-cut slitting knives have a unique design that allows them to crush and cut the material simultaneously. Each type of knife is used for specific applications and offers different advantages depending on the desired outcome.
- Q:What is the role of steel coils in the construction industry?
- Steel coils play a crucial role in the construction industry as they are used for various purposes. They are primarily used in the fabrication of structural components such as beams, columns, and trusses, providing strength and stability to buildings. Steel coils are also utilized in the manufacturing of roofing and siding materials, reinforcing bars, and various mechanical components. Their versatility, durability, and resistance to corrosion make them an essential material in construction, ensuring the longevity and safety of structures.
- Q:What are the different surface treatments for steel coils?
- There are several different surface treatments available for steel coils, depending on the desired outcome and application. Some of the most common surface treatments for steel coils include: 1. Hot-dip galvanizing: This process involves immersing the steel coils in a bath of molten zinc, which forms a protective layer on the surface of the steel. Hot-dip galvanizing provides excellent corrosion resistance and is often used for outdoor applications. 2. Electro-galvanizing: Similar to hot-dip galvanizing, but instead of immersing the steel coils in molten zinc, a thin layer of zinc is electroplated onto the surface of the steel. Electro-galvanizing provides good corrosion resistance and is commonly used for indoor applications. 3. Powder coating: This process involves applying a dry powder to the surface of the steel coils, which is then heated and cured to form a hard, durable coating. Powder coating provides excellent corrosion resistance and is available in a wide range of colors and finishes. 4. Paint coating: Steel coils can also be coated with a liquid paint, which provides both corrosion resistance and aesthetic appeal. Paint coatings can be applied in various thicknesses and finishes, depending on the desired look and level of protection required. 5. Phosphating: Phosphating is a chemical treatment that involves immersing the steel coils in a phosphate solution. This process creates a thin, adherent layer of phosphate on the surface of the steel, which enhances paint adhesion and improves corrosion resistance. 6. Chromate conversion coating: Also known as chromating or passivation, this process involves immersing the steel coils in a solution containing chromium salts. Chromate conversion coatings provide excellent corrosion resistance and also act as a primer for subsequent paint or powder coating. 7. Zinc-nickel plating: This surface treatment involves electroplating a layer of zinc-nickel alloy onto the steel coils. Zinc-nickel plating provides superior corrosion resistance compared to pure zinc plating and is often used in demanding environments. These are just a few of the many surface treatments available for steel coils. The choice of treatment depends on factors such as the application, desired level of corrosion resistance, aesthetic requirements, and budget. It is important to carefully consider the specific needs of the project and consult with experts to determine the most suitable surface treatment for steel coils.
- Q:what is magnetic steel used for and if it can be used for producing kitchenwares utenils like stainless steel basines,mugs and bowls.
- Magnetic steel rusts. That's why kitchenware is often made out of stainless. You can't turn magnetic steel into stainless, sorry. Metalurgy is a complicated subject, and is all about different alloys. It's far too involved to explain in a few paragraphs here, but no, they're not interchangeable in this case unless you want to produce kitchenware that rusts.
- Q:I bought my Gerber Scout for 29 bucks at the local Walmart a couple months ago, and so far it's performed better than any of my previous knives (a couple of low quality Bucks, and a Winchester). However, my friend just bought a 50 dollar Buck knife and I absolutely love it, so I'm debating trading mine in and pitching in a bit of cash for the same kind.What troubles me is the fact that everybody seems to be bashing 440A steel. I hear a lot of bad things about it; how it is soft, chips easy, dull quickly, etc. How bad is 440A steel really, and would it be worth trading in my Gerber plus about 30 cash for a Buck Vantage Pro? Apparently the Vantage Pro uses S30V steel, so is it really that big of an upgrade, from 440A to S30V? Thank you.
- 440 steel is fine for most knives, but there are better quality steels out there for specialized uses. If you like the knife you have, don't worry about what other people say. If you like the new knife more, trade for it. Sometimes I question why people have to ask so many questions about what's better than what.
- Q:What are the different methods of tempering steel coils?
- There exist numerous techniques for tempering steel coils, each possessing unique advantages and disadvantages. Some of the most prevalent techniques include: 1. Air cooling: This method, the simplest and most commonly employed, involves heating the coils to a specific temperature and allowing them to cool naturally in the surrounding air. Although relatively speedy and cost-effective, this technique can result in uneven cooling and may lack precise control over the final properties of the steel. 2. Water quenching: In this approach, the steel coils are heated and then rapidly cooled by immersing them in a water bath. Water quenching provides a swifter and more controlled cooling rate than air cooling, resulting in increased hardness and strength. However, it may also cause heightened distortion and the development of internal stresses in the steel. 3. Oil quenching: Similar to water quenching, this method entails immersing the steel coils in an oil bath to rapidly cool them. Oil quenching offers a slower and more uniform cooling rate in comparison to water quenching, leading to reduced distortion and internal stresses. Nevertheless, it yields slightly lower hardness and strength than water quenching. 4. Salt bath quenching: This technique necessitates immersing the steel coils in a heated bath of molten salt for rapid cooling. Salt bath quenching ensures an even and controlled cooling rate, resulting in improved hardness and strength compared to air or water quenching. However, it requires specialized equipment and may not be suitable for all steel types. 5. Induction hardening: In this method, the steel coils undergo induction heating before being rapidly cooled using air, water, or oil quenching. Induction hardening permits precise control over the heating and cooling process, thereby achieving specific hardness and strength properties in desired areas of the steel. Nonetheless, it demands specialized equipment and is generally employed for specific applications or sections of the steel coils. Ultimately, the choice of tempering method relies on various factors, including the desired properties of the steel coils, the type of steel employed, and the specific requirements of the end application.
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Prepainted Aluminum Zinc Rolled Coil for Roof construction
- 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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