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 through a process known as siliconizing or silicon coating. This enhances the steel's resistance to corrosion, improves its electrical conductivity, and provides other beneficial properties.
- Q: I need to identify a metal. It is rusty so I suspect it is either iron or steel. Since they both have similar densities and are magnetic, how do I tell the difference betweeen steel and iron?
- Iron and Steel Manufacture, technology related to the production of iron and its alloys, particularly those containing a small percentage of carbon. The differences between the various types of iron and steel are sometimes confusing because of the nomenclature used. Steel in general is an alloy of iron and carbon, often with an admixture of other elements. Some alloys that are commercially called irons contain more carbon than commercial steels. Open-hearth iron and wrought iron contain only a few hundredths of 1 percent of carbon. Steels of various types contain from 0.04 percent to 2.25 percent of carbon. Cast iron, malleable cast iron, and pig iron contain amounts of carbon varying from 2 to 4 percent. A special form of malleable iron, containing virtually no carbon, is known as white-heart malleable iron. A special group of iron alloys, known as ferroalloys, is used in the manufacture of iron and steel alloys; they contain from 20 to 80 percent of an alloying element, such as manganese, silicon, or chromium.
- Q: So what's harder gold or steel
- steel. gold is pretty soft.
- Q: I want to make a lap steel guitar in my wood tech class. can anyone give me a link to a video or site that has steps on how to build one.
- Steel guitars have cables attached to foot pedals to change the sound. I don't know how this would work with the top resting on your lap.
- Q: What are the different methods of galvanizing steel coils?
- There are primarily three methods of galvanizing steel coils: hot-dip galvanizing, electrogalvanizing, and continuous galvanizing. Hot-dip galvanizing involves immersing the steel coils in a bath of molten zinc, which forms a protective coating. Electrogalvanizing uses an electric current to deposit a layer of zinc onto the steel surface. Continuous galvanizing is a process where the steel coil is continuously passed through a bath of molten zinc to achieve galvanization. These methods provide varying levels of protection against corrosion and are used in different applications based on specific requirements.
- Q: Can steel coils be used in architectural applications?
- Architectural applications can indeed utilize steel coils. These coils possess versatility and can be transformed into various shapes and forms to match the distinctive design specifications of architectural ventures. They find utility in constructing structures such as buildings, bridges, and more, as well as in fabricating architectural elements like roofing, cladding, and facades. The utilization of steel coils in architectural applications presents several benefits. They exhibit exceptional durability, strength, and corrosion resistance, rendering them suitable for constructing enduring and low-maintenance structures. Steel coils can be customized in terms of thickness, width, and surface finish, granting architects the ability to achieve their desired aesthetic and functional objectives. Moreover, steel coils are renowned for their structural stability and load-bearing capacity, both of which are vital considerations in architectural designs. Their high strength-to-weight ratio makes them an ideal selection for creating spacious and open interior areas, as well as for supporting heavy loads in multi-story buildings. Additionally, steel coils are easily fabricated and installed, resulting in time and labor savings during the construction process. They can be efficiently molded, cut, and welded to create intricate shapes or architectural details. Additionally, steel coils can be pre-fabricated off-site, guaranteeing precision and quality control, and subsequently assembled on-site, reducing construction time and minimizing disruptions to the surrounding environment. All in all, steel coils present architects and designers with a wide array of possibilities in architectural applications. Whether it pertains to structural support, aesthetic appeal, or functional requirements, steel coils provide a dependable and versatile material option that can fulfill the demands of contemporary architectural projects.
- Q: How are steel coils cut to size?
- Steel coils are cut to size using a process called slitting, where the coil is unwound and passed through a set of rotary knives that make longitudinal cuts. The width of the cuts can be adjusted to achieve the desired size, and the resulting strips are then rewound into smaller coils or flattened into sheets.
- Q: What are the different methods of edge camber correction for steel coils?
- Edge camber correction in steel coils can be achieved through several methods, depending on specific requirements and available equipment. Some commonly used methods include the following: 1. Mechanical tools, such as shears or slitters, are utilized for trimming the edges of the coil. This removes excess material and corrects the camber. Mechanical edge trimming is suitable for smaller coils or minimal camber. 2. Tension leveling involves passing the coil through adjustable rollers while applying tension. This elongates the steel and reduces camber. It is effective for moderate camber and commonly used for larger coils. 3. Roller leveling, similar to tension leveling, employs fixed rollers to exert pressure on the steel and flatten it. This method is preferable for thicker and heavier coils. 4. Heat straightening utilizes controlled heat to soften the edges of the coil. Once the steel becomes malleable, external force is applied to straighten the edges. Heat straightening is suitable for severe edge camber but requires specialized equipment and expertise. 5. Combination methods may be employed by combining different techniques. For instance, mechanical edge trimming may be followed by tension leveling or roller leveling to further straighten the edges. It is important to note that the choice of method depends on factors such as camber severity, coil dimensions, material properties, and available equipment. Evaluating these factors and consulting with experts is essential to determine the most suitable method for edge camber correction in steel coils.
- Q: What are the factors affecting the formability of steel coils?
- There are several factors that can affect the formability of steel coils. Some of the key factors include the composition of the steel, its mechanical properties, the thickness and width of the coils, the temperature at which the forming process takes place, the type and amount of lubrication used, and the speed and pressure applied during forming. Additionally, the presence of defects or impurities in the steel can also impact its formability.
- Q: What are the different methods of coil packaging for steel coils?
- There are several methods of coil packaging for steel coils, including stretch wrapping, strapping, banding, and shrink wrapping. Stretch wrapping involves wrapping a stretch film tightly around the coil to secure it. Strapping and banding use metal or plastic straps to hold the coils together. Shrink wrapping involves covering the coil with a plastic film that shrinks when heated, providing a tight and protective cover. These methods help to protect the coils during storage, transportation, and handling, ensuring they remain in good condition.
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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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