Pre-painted Galvanized/Aluzinc Steel Sheet Coil with Prime Quality and Lowest Price in Orange

Pre-painted Galvanized/Aluzinc Steel Sheet Coil with Prime Quality and Lowest Price in Orange

Ref Price:

Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 100 m.t.

Supply Capability:: 10000 m.t./month

Inquire Now

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

6.FAQ

1. What’s the application of this product?

Roof, roof structure, surface sheet of balcony, frame of window, etc.

Q: I bought a damascus steel knife. It will be used for display. Nothing like hunting/skinning. If It is just sitting around, will it rust? (assuming that it isn't getting wet) Thanks for the help.: Damascus Steel Rust

Q: How are steel coils protected during transportation?: Steel coils are kept safe and free from harm during transport through a range of precautionary measures. One widely used technique involves utilizing top-notch packaging materials like heavy-duty plastic wrap or waterproof paper. These materials form a protective shield against external factors such as moisture, dust, and debris. Moreover, steel coils are typically placed on wooden pallets or skids to elevate them from the ground and prevent direct contact with surfaces that may cause scratches or dents. To provide further protection, the coils are securely fastened to the pallets using strong, corrosion-resistant metal strapping or bands. This ensures that the coils remain in position and do not shift or move during transport, significantly reducing the risk of damage. Additionally, specialized equipment like coil cradles, coil racks, or coil bunks are used to load and secure the steel coils onto flatbed trailers or shipping containers. These devices are specifically designed to firmly hold the coils in place and evenly distribute their weight, preventing any stress or strain during transit. Apart from physical safeguards, steel coils may also undergo various surface treatments before being transported to prevent corrosion. This may involve applying a protective coating or oiling the coils to create a barrier between the steel and the surrounding environment. This process is particularly important when the coils are exposed to adverse weather conditions or long shipping durations, as it helps to prevent rust or other forms of corrosion. In conclusion, a combination of appropriate packaging, secure fastening, and proper loading techniques are employed to ensure the safety of steel coils during transportation. These measures guarantee that the coils arrive at their destination without significant damage.

Q: How are steel coils processed and treated?: To ensure the quality and suitability of steel coils for different applications, they undergo a series of steps and treatments. Initially, the coil is uncoiled by removing its protective wrapping and unwinding it. Any defects like cracks or uneven surfaces are then inspected. Next, the coil is cleaned to eliminate dirt, oil, and rust using chemical agents and mechanical scrubbing. After cleaning, it is rinsed and dried to prevent corrosion caused by residual moisture. Once cleaned, the steel coil may be treated based on its intended use. One common treatment is pickling, where the coil is immersed in an acidic solution to remove impurities and scale. This improves the surface finish and prepares the steel for further processing. After pickling, the coil can undergo cold rolling, which reduces its thickness and improves dimensional accuracy. This is done by passing the steel through a series of rollers at room temperature, gradually decreasing thickness and increasing strength. It also improves the surface finish. In some cases, the coil may undergo additional heat treatments like annealing or tempering. Annealing involves heating the coil to a specific temperature and slowly cooling it to relieve internal stresses and improve mechanical properties. Tempering, on the other hand, involves reheating the coil to a lower temperature and rapidly cooling it to enhance strength and toughness. Once the desired processing and treatments are completed, the steel coil may be coated or painted for added protection against corrosion or to enhance its appearance. Coating processes can include hot-dip galvanizing, electroplating, or applying organic coatings like paint or powder coatings. Finally, the processed and treated steel coils are cut into specific sizes or shapes according to customer requirements. This can be done using cutting methods such as shearing, slitting, or sawing. Overall, the processing and treatment of steel coils involve cleaning, pickling, rolling, heat treatment, coating, and cutting processes. These steps are carefully carried out to ensure the quality, strength, and suitability of the steel for its intended applications.

Q: How are steel coils inspected for quality control?: Steel coils are inspected for quality control through various methods. One common method is visual inspection, where trained professionals visually examine the coils for any surface defects, such as scratches, dents, or discoloration. Additionally, non-destructive testing techniques like ultrasonic testing are used to detect any internal defects, such as cracks or voids. Dimensional measurements are also taken to ensure the coils meet the required size and thickness specifications. These comprehensive inspections help ensure the overall quality and integrity of steel coils before they are used in various industries.

Q: What are the different methods of cut-to-length shearing for steel coils?: Steel coils can be cut-to-length using various methods, each with unique advantages and applications. Some commonly used methods include: 1. Rotary Shearing: This technique utilizes a rotating shear blade to cut through the coil. It offers excellent precision and can handle a wide range of material thicknesses. Rotary shearing is well-suited for high-volume production and allows for high cutting speeds. 2. Guillotine Shearing: In this method, a straight blade is employed to cut through the coil. It is a versatile technique that can handle different material thicknesses and widths. Guillotine shearing is relatively simple and efficient, making it a popular choice for many applications. 3. Slitting: Slitting involves creating multiple longitudinal cuts in the coil to produce narrower strips. It is commonly used when a coil needs to be divided into smaller coils or when narrower strips are necessary for specific applications. Slitting can be performed using either rotary or straight blades. 4. Laser Cutting: Laser cutting employs a high-powered laser beam to melt or vaporize the material, resulting in a precise and clean cut. It is ideal for cutting complex shapes or patterns and can handle both thin and thick steel coils. Laser cutting offers high accuracy and minimal material distortion. 5. Waterjet Cutting: In this method, a high-pressure stream of water mixed with abrasive particles is used to cut through the coil. It is suitable for a wide range of materials, including steel, and can achieve high accuracy. Waterjet cutting is often utilized for cutting thick coils or when minimizing heat-affected zones is crucial. Each method has its own strengths and limitations, and the selection depends on factors such as material thickness, required precision, production volume, and specific application requirements. Choosing the most suitable method is vital to ensure efficient and high-quality cut-to-length shearing for steel coils.

Q: How are steel coils used in the production of steel latches?: Steel coils are used in the production of steel latches as they serve as the raw material for manufacturing these components. The coils are processed through various manufacturing steps, such as cutting, stamping, and forming, to shape them into the desired latch design. These transformed steel coils are then further treated with coatings or finishes to enhance their durability and corrosion resistance. Ultimately, steel coils play a crucial role in providing the base material necessary for creating sturdy and functional steel latches.

Q: What are the common applications of galvanized steel coils?: Galvanized steel coils are commonly used in various applications such as construction, automotive manufacturing, electrical appliances, and infrastructure projects. They are used for manufacturing roofing sheets, wall panels, pipes, gutters, and various structural components due to their corrosion resistance and durability. Additionally, galvanized steel coils are widely used in the production of automotive parts, such as body panels, frames, and chassis, as they provide excellent strength and protection against rust.

Q: How are steel coils used in the production of pipes and tubes?: Steel coils are an essential component in the production of pipes and tubes. They are used as the raw material to create the cylindrical shape of the pipes and tubes. The coils are unrolled and fed into a machine called a pipe or tube mill, where they undergo a series of manufacturing processes. First, the steel coils are unwound and straightened to remove any bends or twists. Then, the edges of the coils are trimmed to ensure they are smooth and even. This process is known as slitting. Next, the coils are passed through a forming machine, where they are bent into the desired shape. For pipes, the coils are bent into a circular shape, while for tubes, they can be formed into various shapes, including square, rectangular, or oval. Once the coils have been formed, they are welded together along the length to create a continuous pipe or tube. This welding process can be done using various techniques, such as high-frequency induction welding, electric resistance welding, or submerged arc welding. After the welding is complete, the pipes or tubes may undergo additional processes to improve their properties. These processes can include heat treatment, such as annealing or quenching, to enhance their strength or hardness. Finally, the pipes or tubes are cut to the desired length and may undergo further finishing processes, such as straightening, polishing, or coating, depending on their intended application. In summary, steel coils are used in the production of pipes and tubes as the starting material. They are unrolled, straightened, and formed into the desired shape before being welded together to create a continuous pipe or tube. These products can then undergo various additional processes to improve their properties and meet specific requirements.

Q: Cold rolled steel coil steel, what is the difference?: Steel rolling process is different from the steel produced naturally different!

Q: if someone wanted to melt cast steel or iron into small-relatively simple shapes such as rod-tapered rod-or etc... how would you go about melting the steel/iron what would the mold need to be made of?: The other answers are correct. But don't attempt this unless you have lots of experience.

Send your message to us

*Email

*TEL

*Quantity

*Unit

Company

*More

This is not what you are looking for? Post Buying Request