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:What are the advantages of using galvanized steel coils?
- Using galvanized steel coils in various applications offers a multitude of benefits. Firstly, their resistance to corrosion is highly impressive. Through the process of galvanization, a protective layer of zinc is applied to the steel, effectively guarding it against moisture, chemicals, and other elements that can lead to rust and corrosion. As a result, galvanized steel coils are an excellent choice for outdoor applications that are exposed to harsh weather conditions or corrosive substances. Secondly, galvanized steel coils boast exceptional durability and longevity. The zinc coating provides an additional protective layer, enhancing the steel's resistance to wear and tear. Consequently, galvanized steel coils have a longer lifespan compared to other steel types, reducing the frequency of replacements and saving costs in the long term. Moreover, galvanized steel coils exhibit remarkable strength and structural integrity. The zinc coating not only offers corrosion resistance but also augments the overall strength of the steel. This makes galvanized steel coils an ideal option for applications that demand a robust and dependable material, such as construction, automotive, and industrial manufacturing. Furthermore, working with galvanized steel coils is effortless and requires minimal maintenance. The zinc coating creates a smooth and uniform surface, facilitating tasks like painting, welding, and fabrication. Unlike other coatings or finishes, galvanized steel coils do not necessitate regular maintenance or additional protective measures, reducing the time and effort required to keep them in optimal condition. Lastly, galvanized steel coils are environmentally friendly. The zinc coating used in galvanization is recyclable, making it a sustainable choice for various industries. Additionally, the extended lifespan of galvanized steel coils diminishes the need for frequent replacements, thereby reducing waste and the overall environmental impact. In conclusion, the advantages of utilizing galvanized steel coils encompass corrosion resistance, durability, high strength, easy workability, low maintenance, and environmental sustainability. These benefits have solidified galvanized steel coils as a favored option in a wide range of applications, spanning from construction and manufacturing to automotive and infrastructure projects.
- Q:Does anyone know how to make a steel helmet, or does anyone know where to direct me websites-wise? i've just started looking on the web for info, so when i get back here i might've already found some info, but more wouldn't hurt, especially if from people who are interested on the subject. i know nothing about metallurgy, nothing on the art of metal working etc... please help.
- Steel okorder
- Q:I just purchased this Benchmade knife with m390 steel blade and it cost me a fortune but I wanted to know if this new steel is a tool steel. what classifies a tool steel. M390 = 1.9 carbon, 20. chromium, .30 manganese, 1. molybdenum, .60silicon, .60 tugsten, 4. vanadium at 60-62 HRC
- Not all tool steels work well in knife blades, but some of them are very popular. D2, M2, M4 and many others.
- Q:What are the challenges in coil leveling for high-strength steel?
- Achieving optimal results in coil leveling for high-strength steel involves addressing several challenges. The steel's inherent hardness and strength present one of the main obstacles. High-strength steel is designed with enhanced mechanical properties, including tensile strength and hardness, making it difficult to deform and shape. To overcome the steel's high-strength nature, specialized leveling equipment is needed. This equipment must exert sufficient force to counter the steel's resistance to deformation. This may involve using stronger and more durable leveling rollers or increasing the pressure applied during the leveling process. Failing to apply the appropriate force can result in incomplete leveling, leading to residual stress and dimensional inaccuracies in the final product. Another challenge in coil leveling for high-strength steel is the potential for springback. Springback refers to the material's tendency to return to its original shape after being deformed. High-strength steel is especially prone to springback due to its higher elastic modulus. This can result in uneven leveling and dimensional variations in the coil. To mitigate springback, advanced leveling techniques can be utilized. These techniques include overbending and pre-bending the steel. Overbending involves bending the steel beyond the desired level, allowing it to spring back to the desired shape. Pre-bending, on the other hand, involves intentionally bending the steel in the opposite direction before leveling it, counteracting the effects of springback. These techniques require precise control and expertise to ensure accurate leveling. Additionally, high-strength steel often has a more pronounced yield point. The yield point is the stress level at which permanent deformation occurs. This can make it challenging to achieve consistent and uniform leveling throughout the coil. Proper adjustment of the leveling equipment and careful monitoring of the leveling process are necessary to effectively address this challenge. Furthermore, high-strength steel coils are often thinner and more sensitive to surface imperfections. Careful regulation of the leveling process is crucial to avoid causing damage to the steel surface, such as scratches or indentations. This may involve using softer leveling rollers or implementing protective measures, such as cushioning materials or coatings, to prevent surface defects. In summary, the challenges in coil leveling for high-strength steel revolve around its inherent hardness, springback tendencies, yield point behavior, and sensitivity to surface imperfections. Overcoming these challenges requires specialized equipment, advanced leveling techniques, precise control, and expertise to ensure accurate and high-quality leveling results.
- Q:How are steel coils used in the production of industrial storage tanks?
- Steel coils are commonly used in the production of industrial storage tanks as they provide the necessary strength and durability. The coils are processed and formed into tank shells, which are then welded together to create the tank structure. This ensures that the tank is capable of withstanding the pressure and weight of the stored materials.
- Q:How are steel coils used in the production of metal facades?
- The production of metal facades relies on steel coils as a vital element. These coils, typically crafted from high-quality steel, serve as the raw material for manufacturing different components of metal facades, including panels, cladding, and roofing sheets. During the production process, the steel coils go through a series of procedures. Initially, the coils are uncoiled and flattened to achieve a smooth and uniformly thick surface, ensuring the desired texture for the metal facades. Subsequently, the flattened coils are cut into specific lengths and widths, tailored to meet the design requirements of the facades. After the cutting process, the steel sheets undergo various surface treatment techniques, such as cleaning, pickling, and coating. These treatments are crucial in enhancing the durability and corrosion resistance of the metal facades. The coatings are applied using different methods, such as galvanization, powder coating, or painting, depending on the desired finish and level of protection needed. Once the surface treatment is completed, the steel sheets are shaped and formed into the desired profiles for the metal facades. This can involve processes like roll forming, bending, or stamping, depending on the complexity of the design. These shaping processes give the metal facades their distinct appearance and structural integrity. Finally, the formed steel sheets are assembled and installed onto the building structure to create the metal facade. The installation techniques employed include welding, riveting, or adhesive bonding, depending on the specific project requirements. Thus, the steel coils play a critical role in providing the necessary raw material for the production of metal facades. These facades not only enhance the aesthetic appeal of buildings but also provide protection and durability against harsh weather conditions. To summarize, steel coils are indispensable in the production of metal facades as they serve as the raw material for various components. They undergo surface treatments to enhance durability, are shaped into desired profiles, and finally, installed to create the metal facade.
- Q:What is the difference between galvanized and galvalume steel coils?
- Both galvanized and galvalume steel coils have undergone a coating process to enhance their durability and resistance to corrosion. However, there are distinct differences between the two. Galvanized steel coils have a layer of zinc coating, which provides excellent corrosion resistance and protects the underlying steel from rust and other forms of deterioration. The zinc coating also acts as a barrier against moisture and prevents direct contact between the steel and the elements. Galvanized steel coils are commonly used in construction, automotive manufacturing, and agricultural equipment, where corrosion resistance is crucial. On the other hand, galvalume steel coils are coated with a combination of zinc and aluminum. This unique coating composition offers enhanced corrosion resistance compared to galvanized steel coils. The aluminum in the coating acts as a sacrificial anode, providing additional protection to the steel by sacrificially corroding instead. This sacrificial protection mechanism helps the underlying steel remain intact and prevents the spread of corrosion even if the coating is damaged. Galvalume steel coils are often used in environments with extreme weather conditions and high humidity, making them suitable for roofing, siding, and other outdoor applications. To summarize, the main difference between galvanized and galvalume steel coils lies in the composition of their coatings. Galvanized steel has a zinc coating, while galvalume steel has a combination of zinc and aluminum. Galvalume steel offers superior corrosion resistance due to the sacrificial protection provided by the aluminum in the coating. The choice between the two depends on the specific application and the level of corrosion resistance required.
- Q:How are steel coils used in the manufacturing of automotive chassis?
- Steel coils are used in the manufacturing of automotive chassis as they provide the necessary strength and durability required to support the weight of the vehicle and withstand various stresses and impacts. These coils are processed and formed into various structural components, such as frame rails and cross members, which form the foundation of the chassis.
- 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:in broken steel can you to missions and get things like the dog, you previously didnt do/get in fallout 3?
- Yes, with Broken Steel there is no end to the game. You survive the main quest where you would die in the original game and may go on to explore the wasteland forever.
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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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