Prepainted Rolled steel coil for Construction roofing use
- 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 do steel coils contribute to sustainable construction?
- Steel coils contribute to sustainable construction in several ways. Firstly, steel is a highly durable material that can withstand extreme weather conditions and resist corrosion, leading to longer-lasting structures. This durability reduces the need for frequent repairs and replacements, thereby reducing waste and conserving resources. Secondly, steel is a recyclable material, meaning that at the end of a building's life cycle, the steel used in its construction can be easily and efficiently recycled. This reduces the demand for new steel production, which is energy-intensive and releases greenhouse gases. By using steel coils made from recycled steel, the construction industry can significantly reduce its environmental impact. Additionally, steel coils are versatile and can be shaped and formed into various structural components, allowing for efficient use of materials and minimizing waste. The lightweight nature of steel coils also makes transportation and handling more cost-effective and environmentally friendly. Furthermore, using steel coils in construction can contribute to energy efficiency. Steel has excellent thermal conductivity, which means it can effectively transfer and distribute heat, enabling better insulation and reducing energy consumption for heating and cooling. Overall, steel coils play a vital role in sustainable construction by promoting durability, recyclability, efficient material usage, and energy efficiency.
- Q: basically a builder told us steel is good but when we got MFI, BQ they only have acrylic
- Acrylic or fiberglass is best, the contractor probably told you steel because it may be cheaper. Acrylic can be repaired and or painted if you decide to change colors at a later date. Steel is the older cheaper technology and cast iron is way too heavy to mess with now.
- Q: What are the advantages of using steel coils in construction?
- There are several advantages of using steel coils in construction. Firstly, steel coils offer exceptional strength and durability, making them suitable for supporting heavy loads and withstanding harsh environmental conditions. Additionally, steel coils provide a high degree of flexibility, allowing for customization and versatility in construction projects. Moreover, steel coils are fire-resistant and non-combustible, enhancing the safety of structures. Furthermore, they have excellent corrosion resistance, requiring minimal maintenance and ensuring long-term structural integrity. Lastly, steel coils are readily available and cost-effective, making them a preferred choice in the construction industry.
- Q: Who started or popularized the use of the steel guitar in country music? Early country songs contained no steel guitars but by 1950 the steel guitar had become a staple of country music.
- The Lap steel guitar evolved from the Hawaiian guitar. Then came the console steel guitar with muliple necks to which were added pedals (by the Gibson Guitar Corporation), the instrument being named the Electraharp. An early player of this instrument was Alvino Rey. Pioneers of the Pedal Steel were Adolph Ricken backer, Paul Bigsby and Leo Fender. Paul Bigsby began making Pedal Steel Guitars in 1948, and Speedy West used the second of these to be built, and used extensively in his work with Jimmy Bryant. The likes of Shot Jackson, Buddy Emmons, Ralph Mooney, Zane Beck and Jimmy Day mechanically enhanced the steel guitar, and gave us the machines which are found today.
- Q: How are steel coils used in the production of heating systems?
- The production of heating systems relies on the utilization of steel coils in various ways. One primary application of steel coils in heating systems involves their incorporation in the construction of heat exchangers. Heat exchangers serve a vital purpose in the transfer of heat from one medium to another within the heating system. Typically, the steel coils are shaped into tubes or fins, which maximize the surface area for optimal heat transfer. In a typical heating system setup, the steel coils allow hot gases or liquids to pass through them, while another medium, such as air or water, flows over or through the coils. This arrangement facilitates the efficient transfer of heat energy from the hotter medium to the cooler one, effectively heating the air or water for distribution throughout the heating system. Steel coils are also employed in the production of radiant heating panels or floor heating systems in heating applications. In these instances, the steel coils are usually embedded within a panel or positioned beneath the flooring. When electricity or hot water passes through the coils, they heat up and emit heat to the surrounding environment. This particular heating system type boasts high efficiency and ensures a comfortable and evenly distributed heat output. Moreover, steel coils are integral components of heating systems such as boilers, furnaces, and heat pumps. These heating system units often require the use of steel coils due to their excellent heat transfer capabilities and durability. The integration of steel coils into the design of these units guarantees efficient and reliable heat generation and distribution. In summary, steel coils play a critical role in the production of heating systems as they enable efficient heat transfer, provide durability, and facilitate the generation and distribution of heat.
- Q: In pounds per square inch what is the tensile strength of strong steel?
- Depends on what you mean by strong steel. Typically the ultimate strength/yield point of steel used for building structures (beams, columns, joists, plates) is in the range of 36,000 to 50,000 psi. The strength is specified by the designer (in the U.S.) by its ASTM designation. e.g. ASTM A36, A572, A500, A307, A325 ... A36 is typical mild steel, A572 Grade 50 (50,000 psi) is often called high-strength Really high strength steels such as pre-stressing strand can have ultimate strengths more than 10 times these values.
- Q: How are steel coils inspected for weldability using welding tests?
- Steel coils can be inspected for weldability using various welding tests. One common method is the bend test, where a sample of the coil is bent to evaluate the ductility and resistance to cracking. Another test is the tensile test, which measures the strength and elongation of the steel under tension. Additionally, the charpy impact test assesses the steel's toughness by measuring its ability to absorb energy during impact. These tests help determine the suitability of the steel coils for welding applications and ensure the quality of the welds.
- Q: What are the common thicknesses available for steel coils?
- The common thicknesses available for steel coils depend on the specific requirements and applications. However, there are some standard thicknesses that are commonly produced and used in various industries. Generally, steel coils can have thicknesses ranging from 0.005 inches to 0.5 inches or even more, depending on the type of steel and its intended use. For example, in automotive manufacturing, where steel coils are used for body panels and structural components, the common thicknesses can range from 0.5 mm (0.020 inches) to 3 mm (0.118 inches). In the construction industry, where steel coils are utilized for roofing, siding, and structural framing, the common thicknesses can vary from 0.014 inches to 0.062 inches, depending on the specific application and structural requirements. Similarly, in the manufacturing of appliances, such as refrigerators, washing machines, or HVAC systems, steel coils with thicknesses ranging from 0.018 inches to 0.035 inches are frequently used. It is worth noting that these are just some of the common thicknesses, and there can be variations based on the specific requirements of different industries and applications. Additionally, custom thicknesses can also be produced upon request to meet unique needs in various sectors.
- Q: How are steel coils used in automotive manufacturing?
- Steel coils are used in automotive manufacturing to create various components such as body panels, frames, and suspension parts. These coils are unwound, shaped, and cut into specific sizes and shapes to fit the required design. The steel's strength, durability, and flexibility make it an ideal material for ensuring the safety and structural integrity of vehicles.
- Q: What are the dimensions of steel coils used in the metal container industry?
- The metal container industry can have different requirements and produce various types of containers, leading to varied dimensions for steel coils. However, generally, the thickness of steel coils used in this industry falls between 0.3mm and 3mm, while the width ranges from 600mm to 2000mm. In terms of shape, the coils are commonly wound in a continuous spiral form with diameters ranging from 600mm to 1500mm. These dimensions enable effective production and handling of the steel coils throughout the manufacturing process of metal containers.
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Prepainted Rolled steel coil for Construction roofing use
- 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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