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 stored in unheated warehouses?
- Yes, steel coils can be stored in unheated warehouses as long as proper precautions are taken to protect them from moisture, condensation, and extreme temperature fluctuations.
- Q:What are the common problems encountered with steel coils during production?
- There are several common problems encountered with steel coils during production. One of the most common issues is coil slippage, where the coils shift or slide out of place during handling or transportation. This can result in damage to the coils or pose a safety risk to workers. Another common problem is coil rusting or corrosion. Steel coils are susceptible to rusting if they come into contact with moisture or are not properly protected. Rust can compromise the structural integrity of the coils and lead to product defects or failure. Coil breakage is also a common problem. This occurs when the coils are subjected to excessive stress or tension, causing them to crack or break. Coil breakage can result from improper handling or storage, as well as production issues such as improper rolling or cooling processes. Coil surface defects are another common issue. These defects can include scratches, dents, or uneven surfaces on the coils. Surface defects can compromise the appearance and quality of the final product, making it unsuitable for certain applications. Lastly, coil contamination is a problem that can occur during production. Contaminants such as dirt, oil, or foreign particles can adhere to the surface of the coils, leading to quality issues or difficulties in further processing. Contamination can result from improper handling, inadequate cleaning processes, or poor environmental control. To mitigate these common problems, proper handling and storage practices are essential. This includes using appropriate lifting and transporting equipment, ensuring the coils are stored in a dry and clean environment, and implementing effective rust prevention measures. Regular inspections and quality control checks can also help identify and address any issues early on, preventing further damage and ensuring the production of high-quality steel coils.
- Q:Monopolistic competition means all of their products are identical like things in supermarket like milk. There are no high barriers to entry. Oil and steel are all same in all industries.
- That okorder /
- Q:Me and my cousin have been arguing about this. I said that superman is made out of steel, but he says that people just call him the man of steel because he's hard like steel. Does he have steel in his body?
- no hes just called man of steel because hes not easy to hurt or kill so as hard as steel
- Q:What are the advantages of using steel coils over other materials?
- There are several advantages of using steel coils over other materials. Firstly, steel is highly durable and has a long lifespan, making it ideal for various applications. Secondly, steel coils have excellent strength and can withstand heavy loads and extreme weather conditions. Thirdly, steel is recyclable and environmentally friendly, ensuring sustainability. Additionally, steel coils provide superior corrosion resistance, reducing maintenance costs. Lastly, steel offers versatility in terms of customization, allowing for various shapes, sizes, and thicknesses to meet specific requirements.
- Q:Is a steel plate the same as a steel coil?
- You must have an open book and a flat plate, and it is a little bit harder to cut the parts than the plate.
- Q:How are steel coils used in the production of steel beams?
- Steel coils are an essential component in the production of steel beams. These coils are typically made by hot rolling steel strips in a continuous process. The coils are then sent to a steel beam manufacturing facility to be further processed. Firstly, the steel coils are uncoiled and flattened to obtain a flat surface. This ensures the uniformity of the beam's dimensions and improves the overall quality. The uncoiling process involves feeding the coil through a series of rollers, which gradually unroll the steel strip. Once the steel strip is uncoiled, it is then cut into specific lengths, depending on the desired size of the steel beams. This cutting process is typically done using automated machines, which ensure precision and accuracy. Next, the cut steel strips are shaped into the desired profile of the steel beams. This is achieved through a process called roll forming, where the steel strip is passed through a series of rollers that gradually bend and shape it into the required shape. The roll forming process can create various types of steel beams, such as I-beams, H-beams, and U-beams, depending on the design and structural requirements. After the roll forming process, the steel beams undergo further finishing operations, such as straightening, welding, and surface treatment. Straightening ensures that the beams are perfectly aligned and free from any deformations. Welding is performed to join different sections of the beams together, ensuring their structural integrity. Lastly, the beams are surface treated, usually through processes like shot blasting or painting, to protect them from corrosion and enhance their appearance. In summary, steel coils play a crucial role in the production of steel beams. They provide the raw material that is uncoiled, cut, shaped, and further processed to create high-quality steel beams. These beams are widely used in various construction projects, ranging from buildings and bridges to industrial structures, making them an essential component in the construction industry.
- Q:What are the different types of corrosion protection for steel coils?
- There are various types of corrosion protection methods for steel coils. Some common ones include galvanization, which involves coating the steel with a layer of zinc; painting or coating the steel with corrosion-resistant materials such as epoxy or polyurethane; and applying a protective film or oil to create a barrier against moisture and corrosive elements. Additionally, using corrosion inhibitors in the form of chemicals or additives can also provide protection against corrosion. Ultimately, the choice of corrosion protection method depends on factors such as the expected exposure conditions and the desired level of protection.
- Q:Which one has more electrical resistivity? Wood or steel? And why?I know that the resistivity depends on the material of the conductor, but i want a perfect explaination please.Thnx in advance :)
- Wood is made up of elements which are non-metals with a high electron affinity. Specifically, carbon, oxygen, hydrogen, and some nitrogen. Furthermore the covalent bond structure in wood means electrons are tightly bound and cannot move easily from atom to another. Not without adding a great deal of energy to the first. Steel is mostly iron, which is a metal. Metals have low electron affinity. The outer electrons in metals are bound very loosely, so that they can move from atom to atom using almost no energy. Metals tend to conduct electricity very easily.
- Q:How are steel coils used in the production of wire products?
- Wire products rely heavily on steel coils, which are indispensable in their production. These coils, typically crafted from high-quality steel, serve as raw materials in wire drawing processes. Wire drawing, a manufacturing technique, diminishes the coil's diameter, converting it into diverse wire products. The initial step involves the placement of a steel coil onto a wire drawing machine. Subsequently, the machine pulls the coil through a sequence of progressively smaller dies. Each die the coil passes through reduces the wire's diameter, resulting in a more slender and elongated wire strand. This process can be repeated multiple times until the desired wire thickness is achieved. Once the wire is drawn, it can undergo further processing to create an array of wire products, including fencing, nails, screws, springs, and electrical wires. The wire can be cut into specific lengths, bent, or shaped to suit its intended purpose. Moreover, it can undergo treatments like galvanizing or coating to enhance its durability and resistance to corrosion. Steel coils offer numerous advantages in wire product manufacturing. Firstly, they provide a consistent and uniform material, ensuring the resulting wire products possess consistent quality and performance. Secondly, steel coils are easily transportable and can be stored efficiently, making them a cost-effective choice for manufacturers. Lastly, the versatility of steel enables the production of wire products with varying tensile strengths and properties to meet specific industry requirements. To summarize, steel coils play an essential role in wire product manufacturing. They serve as the primary raw material in wire drawing processes, where they undergo a series of reduction steps to be transformed into diverse wire products. These wire products find applications across various industries, solidifying the indispensability of steel coils in the manufacturing sector.
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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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