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 for specific applications?
- Steel coils are coated for specific applications through a process called coil coating. This involves applying a protective layer of paint, polymer, or other coatings onto the steel coils using methods like roll coating or spray coating. The coating is carefully selected based on the desired properties such as corrosion resistance, durability, or aesthetic appeal required for the specific application.
- Q: How are steel coils used in the manufacturing of construction formwork?
- Steel coils are used in the manufacturing of construction formwork to provide structural stability and reinforcement. The coils are processed and shaped into various components, such as beams, columns, and panels, which serve as a framework for pouring concrete. The strength and durability of steel make it an ideal material for withstanding the pressure and weight of the concrete, ensuring the stability and longevity of the formwork during construction.
- Q: How are steel coils used in the production of scaffolding?
- Scaffolding production heavily relies on steel coils as they serve as the primary raw material for manufacturing various components of scaffolding systems. These coils, typically composed of high-quality steel, are processed through cutting, shaping, and welding operations to obtain the desired dimensions and shapes for scaffolding components, including vertical and horizontal tubes, diagonal braces, and base plates. The main structural elements of scaffolding are the tubes and pipes formed from steel coils. These elements are responsible for constructing the framework of the scaffolding, comprising vertical uprights or standards, horizontal ledgers, and transoms that connect them. By providing strength, stability, and load-bearing capacity, these components ensure the safety of workers operating at elevated heights. Furthermore, diagonal braces, an essential part of scaffolding, are manufactured from steel coils. These braces are strategically installed diagonally between the vertical standards to reinforce the scaffolding structure, adding extra support and stability to prevent swaying or collapsing. Another crucial component produced from steel coils is the base plate. These plates serve as the foundation for the scaffolding structure, offering a solid and stable base to evenly distribute weight and load. Typically positioned at the bottom of each vertical standard, they play a vital role in maintaining stability and preventing sinking or sliding. To summarize, steel coils play a fundamental role in scaffolding production. Through their transformation into tubes, pipes, braces, and base plates, they form the framework and provide the necessary strength, stability, and load-bearing capacity for safe and efficient scaffolding systems.
- Q: What are the common coil coating methods?
- The common coil coating methods include roll coating, curtain coating, and spray coating.
- Q: How are steel coils processed for further use?
- Steel coils are typically processed for further use through a series of steps. First, the coils are uncoiled and fed into a machine that straightens and levels them. Then, the steel is cut into the desired length and width. Next, the edges are trimmed and any defects are removed. The coils are then cleaned, treated, and coated to enhance their corrosion resistance and appearance. Finally, the processed coils are either stored or transported to manufacturers who transform them into various products such as automotive parts, appliances, construction materials, and more.
- Q: How are steel coils used in the production of transportation systems?
- Steel coils are used in the production of transportation systems for various applications such as the manufacturing of automobile parts, railway tracks, and shipping containers. The coils are typically used to create strong and durable components that can withstand the harsh conditions and heavy loads associated with transportation.
- Q: Galvanized Steel or Standard Steel. This will be for the grilling surface.
- Steel is not good at all for BBQ grills. But Galvanized will kill you. So if you must use Steel. But for the best use cast iron grates to cook on.
- Q: What are the different coating options for steel coils?
- There are several coating options available for steel coils, each serving different purposes and providing unique benefits. Some of the commonly used coating options for steel coils include: 1. Galvanized Coating: This coating involves immersing the steel coils in a bath of molten zinc, creating a layer of zinc on the surface. Galvanized coating provides excellent corrosion resistance and protects the steel from rusting. It is commonly used in applications where the steel coils are exposed to harsh environments or moisture. 2. Galvannealed Coating: This coating is a combination of galvanizing and annealing processes. The steel coils are first galvanized and then annealed to create a layer of zinc-iron alloy on the surface. Galvannealed coating offers enhanced paintability and weldability while providing good corrosion resistance. 3. Aluminum-Zinc Alloy Coating: Also known as Galvalume, this coating consists of an aluminum-zinc alloy applied to the steel coils. It provides excellent corrosion resistance and heat reflectivity, making it suitable for various applications, including roofing, siding, and automotive parts. 4. Organic Coatings: These coatings are typically applied as a top layer over a base coat of galvanized or galvannealed coating. Organic coatings can be in the form of paints, lacquers, or powder coatings. They provide additional protection against corrosion, UV rays, and abrasion, while also enhancing the aesthetics of the steel coils. 5. Chromate Conversion Coating: This coating is primarily used as a pre-treatment before applying organic coatings. It helps improve adhesion between the steel surface and the organic coating, ensuring better corrosion resistance. The choice of coating depends on various factors such as the intended application, environmental conditions, desired appearance, and budget. Manufacturers and end-users should carefully consider these factors to select the most suitable coating option for their specific requirements.
- Q: What are the common coil thickness tolerances?
- The common coil thickness tolerances can vary depending on the specific industry and application. However, in general, common coil thickness tolerances range from +/- 0.001 to +/- 0.010 inches.
- Q: I was wondering what kind of company casts and sells steel without acting as a contractor as well. They only sell steel no install it
- If you are talking about raw steel materials and products I believe you are talking about a steel processor and warehouse company or a steel distributor. There are many different points along the steel manufacturing process that you could buy steel products. It would depend on various factors. Depending the amount, type, grade, gauge, properties, origin and a host of other elements you could purchase the steel in billet, plate, diamond plate, rolled sheet (cold or hot), coil, beam, stamped, pickled, scrapped, etc. You get the idea. Now I don't know where you are in the world, but you can go to one of the two sites below, which I have used for product sourcing and research before. The last one is a major manufacturer that I have actually been to. I hope this helps.
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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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