Pre-painted rolled Steel Coil for Construction Roofing constrution
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 25 m.t./month
OKorder Service Pledge
OKorder Financial Service
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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 used in the production of construction machinery?
- Steel coils are used in the production of construction machinery as they are a primary raw material for manufacturing various components such as structural frames, chassis, and other heavy-duty parts. These coils are typically processed and fabricated through cutting, bending, welding, and shaping techniques to create the required components that form the foundation of construction machinery.
- Q:How are steel coils protected during shipping?
- Steel coils are typically protected during shipping by being wrapped in a moisture-resistant material such as plastic or wax paper. They are also often secured with steel straps or bands to prevent shifting or damage during transit. Additionally, wooden or metal cradles are used to provide support and stability while in transport.
- Q:Cold rolled steel coil steel, what is the difference?
- Steel rolling process is different from the steel produced naturally different!
- Q:How do steel coils contribute to the marine vessel construction industry?
- The marine vessel construction industry heavily relies on steel coils as vital components. These coils, typically made of high-quality steel, are crucial for fabricating various structural elements of ships and boats. They are utilized in multiple ways to contribute to the construction and functionality of marine vessels. To begin with, steel coils are essential for constructing the hull, which serves as the main body of the ship. Given the harsh conditions at sea, such as waves, corrosion, and impacts, the hull requires strong and durable materials. Steel coils provide the necessary strength and integrity to ensure the structural stability and safety of the vessel. Furthermore, steel coils are utilized in fabricating decks, bulkheads, and other internal structures of marine vessels. These components are vital for dividing the ship into compartments, providing stability, and supporting various equipment and machinery. Steel coils, known for their excellent tensile strength, can bear heavy loads and resist deformation, making them ideal for constructing these crucial elements. In addition, steel coils are employed in the construction of propulsion systems and other mechanical parts of marine vessels. These coils are often shaped and formed into specific components, such as shafts, gears, and propellers, which are essential for the vessel's propulsion and maneuverability. The high strength and durability of steel coils ensure the reliability and efficiency of these mechanical systems, enabling smooth navigation and operation of the vessel. Moreover, steel coils contribute to the marine vessel construction industry by enhancing safety and longevity. Steel is highly resistant to corrosion, a major concern in marine environments due to saltwater exposure. By utilizing steel coils, marine vessels can withstand the corrosive effects of seawater, reducing the need for frequent maintenance and repair. This, in turn, improves the vessel's lifespan and minimizes the risk of accidents or failures at sea. In conclusion, steel coils are indispensable in the marine vessel construction industry. They provide the necessary strength, durability, and resistance to corrosion, ensuring the safety, performance, and longevity of ships and boats. Whether it is the construction of the hull, fabrication of internal structures, or creation of mechanical components, steel coils play a vital role in every aspect of marine vessel construction.
- Q:Would the Ruger Sr22 pistol or the SW MP 15-22 be any good for the steel challenge?
- Steel plates are very difficult for a .22lr
- Q:What are the common methods of packaging steel coils for international shipping?
- There are several common methods of packaging steel coils for international shipping. These methods are designed to ensure the safety and security of the coils during transit. One method is the use of wooden crates. The steel coils are placed on wooden pallets and secured with steel bands or straps. The coils are then covered with wooden boards or plywood and nailed or screwed in place to create a sturdy crate. This method provides excellent protection against damage and ensures that the coils remain in place during transportation. Another method is the use of steel frames or skids. The steel coils are placed on steel skids or frames that are designed to support the weight and shape of the coils. The coils are then secured to the skids or frames with steel bands or straps. This method offers a high level of stability and protection, and is commonly used for larger or heavier coils. In addition to wooden crates and steel frames, steel coils can also be packaged using steel containers or shipping containers. These containers are specially designed to transport heavy or bulky items and provide a secure and protective environment for the coils. The coils are loaded into the container and secured with steel bands or straps to prevent movement during transit. Regardless of the packaging method used, it is important to ensure that the steel coils are properly protected from moisture, corrosion, and other potential hazards. This may involve the use of moisture-resistant materials such as plastic or wax paper, as well as the application of protective coatings or wraps. Overall, the common methods of packaging steel coils for international shipping include wooden crates, steel frames or skids, and steel containers. These methods are chosen based on the size, weight, and specific requirements of the coils, and aim to provide maximum protection and security during transit.
- Q:What is the minimum order quantity for steel coils?
- The minimum order quantity for steel coils can vary depending on the supplier and specific product. It is recommended to contact the supplier directly to inquire about their minimum order requirements for steel coils.
- Q:How do steel coils contribute to the construction equipment industry?
- The construction equipment industry relies heavily on steel coils as they are vital for manufacturing various construction machinery and equipment. These coils, made from high-quality steel, are crucial components used in the fabrication of a wide range of construction equipment, including cranes, bulldozers, excavators, loaders, and forklifts. The main contribution of steel coils to the construction equipment industry lies in their structural strength and durability. Steel is renowned for its exceptional mechanical properties, such as high tensile strength, toughness, and resistance to wear and corrosion. These properties make it an ideal material for constructing heavy-duty machinery capable of withstanding the demanding conditions of construction sites. Steel coils are employed in the production of the structural components of construction equipment, such as chassis, frames, booms, buckets, and attachments. These components need to be sturdy and able to endure heavy loads, impacts, and continuous use. Steel coils provide the necessary strength and reliability to ensure the long-lasting performance of construction equipment. Moreover, steel coils are also used to manufacture specialized parts and accessories for construction machinery. These include hydraulic systems, gears, shafts, bearings, and fasteners. These components are essential for the proper functioning and efficiency of construction equipment, and steel coils provide the high-quality material required for their production. In addition to their mechanical properties, steel coils also contribute to the construction equipment industry through their versatility and customization options. Steel can be easily shaped, cut, welded, and formed into various sizes and shapes, allowing manufacturers to create equipment with specific designs and functionalities tailored to meet the diverse needs of construction projects. Overall, steel coils are indispensable in the construction equipment industry as they serve as the foundation for robust and reliable machinery. Their strength, durability, and versatility make them an essential raw material for manufacturing construction equipment that can withstand the challenges of construction sites and ensure the safety and efficiency of construction projects.
- Q:What are the different thickness tolerances for steel coils?
- The different thickness tolerances for steel coils can vary depending on the specific grade and type of steel being used, as well as the industry standards and customer requirements. However, common thickness tolerances for steel coils typically range from +/- 0.005 inches to +/- 0.020 inches, with tighter tolerances available for certain applications.
- Q:What are the different types of steel coil finishing processes?
- Enhancing the appearance and properties of steel coils involves employing various steel coil finishing processes. Among the commonly used processes are: 1. Hot-dip galvanizing: Immersing the steel coil in molten zinc forms a protective layer on its surface, enhancing corrosion resistance and providing a visually pleasing finish. 2. Cold rolling: Passing the steel coil through rollers at room temperature reduces thickness and improves surface finish. This process can yield finishes ranging from matte to highly polished. 3. Electro-galvanizing: A thin layer of zinc is electrolytically deposited onto the steel coil's surface. This method is suitable for applications requiring a thinner zinc coating and a more uniform finish. 4. Pickling and oiling: Treating the steel coil with an acid solution removes scale and impurities, resulting in a clean and smooth surface. Coating the coil with oil prevents rust during storage and transportation. 5. Powder coating: Dry powder is applied to the steel coil and cured under heat to form a durable and attractive finish. This method allows for a wide range of colors and finishes. 6. Paint coating: Similar to powder coating, liquid paint is applied to the steel coil's surface. This process offers decorative finishes and protection against corrosion and environmental factors. These examples represent only a few of the available steel coil finishing processes. The choice of method depends on specific application requirements, including desired appearance, corrosion resistance, and durability.
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Pre-painted rolled Steel Coil for Construction Roofing constrution
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 25 m.t./month
OKorder Service Pledge
OKorder Financial Service
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