Galvanized Steel Coil/Hot Dip Galvanized Steel Strips Coil
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 100000 m.t./month
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Galvanized Steel Coil/Hot Dip Galvanized Steel Strips Coil Specification:
Steel strips coils galvanized
Material: Q195, Q215, Q235, Q345B, SGCC, DX51D+Z
Thickness:0.75-4.5mm
Width:32-750mm
Zinc coating: 60-550g/m2
Galvanized Steel Coil/Hot Dip Galvanized Steel Strips Coil Description:
Galvanized steel coil are widely used in the construction industry, as raw material for the production of corrugated panels, fencing products, drywall panel profiles, ventilation systems etc. Recommended for both outside and inside usage, galvanized steel has a high resistance to corrosion in different environments, due to a protective layer of zinc of 100 – 180 grams per square metre.
Main Feature of Galvanized Steel Coil/Hot Dip Galvanized Steel Strips Coil:
Hot-dip galvanized steel coils are produced by immersing steel in a zinc bath. An appropriate galvanizing process requires a pretreatment process during which the steel passes through different baths which prepare the surface for zinc coating. In this stage, chemicals are used to clean the surface of the steel. After the chemical treatment, the steel coils pass through a bath of melted zinc at temperatures around 460 ° C. The resulting uniform coating is finished through a process of skin-passing to provide smooth and shiny appearance of the finished product. To store for a longer period, the hot-dip galvanized coils can be delivered with a final oil coating, according to the customer’s demand.
Galvanized Steel Coil/Hot Dip Galvanized Steel Strips Coil Images:
FAQ:
Q: Are you manufacturer of trading company?
A: Yes.
- Q: How are steel strips processed for surface coating removal?
- Steel strips can be processed for surface coating removal through various methods. One common method is mechanical stripping, which involves the use of abrasive materials or equipment to physically remove the coating. This can include sandblasting, where high-pressure air or water is used to propel abrasive particles onto the steel surface, effectively stripping off the coating. Chemical stripping is another method used for surface coating removal. In this process, chemicals or solvents are applied to the steel strips to dissolve or soften the coating, making it easier to remove. The strips are then rinsed or washed to remove any remaining residue. Another popular method is thermal stripping, which involves heating the steel strips to high temperatures. This causes the coating to burn off or decompose, allowing it to be easily removed. This method is particularly effective for organic coatings. In addition to these methods, some companies also use advanced techniques such as laser or plasma coating removal. These methods utilize intense heat or energy to vaporize or ablate the coating from the steel surface. Once the surface coating has been removed, the steel strips may undergo further processing such as cleaning, rinsing, or passivation to prepare them for subsequent treatments or applications.
- Q: How are steel strips straightened?
- Steel strips are straightened using a process called leveling or flattening. This process is typically carried out using specialized machinery known as levelers or flatteners. The steel strip is fed into the leveler, which consists of a series of small-diameter rolls arranged in a line. The rolls are positioned in such a way that they gradually bend the strip in the opposite direction to its existing curvature. As the steel strip passes through the leveler, the rolls apply pressure on the convex side of the strip, gradually reducing its curvature. The number of rolls and their spacing can be adjusted to accommodate different thicknesses and widths of steel strips. In addition to the rolls, levelers may also incorporate additional features such as tension rolls or hydraulic or pneumatic systems to further ensure proper straightening of the steel strip. These additional components help to apply tension or counteract any residual stresses in the strip, resulting in a straightened final product. Overall, the leveling process is crucial for ensuring the flatness and straightness of steel strips, which is essential for their subsequent processing and use in various industries such as automotive, construction, and manufacturing.
- Q: How are steel strips used in electrical applications?
- Steel strips are commonly used in electrical applications as conductor materials for power transmission and distribution. They are utilized in the manufacturing of various electrical components such as transformers, inductors, and motor cores. Steel strips provide high electrical conductivity and magnetic properties, allowing for efficient energy transfer and electromagnetic field generation.
- Q: What are the different types of joints used for steel strips?
- There are several different types of joints that can be used for steel strips, depending on the specific application and requirements. Some of the most common types of joints used for steel strips include: 1. Butt joint: This is the simplest and most commonly used joint for steel strips. It involves aligning the ends of two strips and welding or bolting them together. 2. Lap joint: In a lap joint, one strip overlaps the other, and they are then welded or bolted together. This type of joint provides increased strength and stability. 3. Scarf joint: A scarf joint is a type of lap joint where the overlapping ends are cut at an angle to create a smooth transition between the strips. This joint is often used when a continuous appearance is desired. 4. T-joint: In a T-joint, one strip is perpendicular to the other, forming a T shape. This joint is commonly used for joining steel strips at right angles. 5. Corner joint: A corner joint is similar to a T-joint, but both strips are at a 45-degree angle, forming a corner. This type of joint is often used for joining steel strips in box or frame structures. 6. Butt joint with backing strip: In this type of joint, a backing strip is placed behind the joint to provide additional support and strength. The backing strip is typically welded or bolted to the steel strips. 7. Overlap joint: In an overlap joint, one strip is placed over the other with a small gap between them. This joint is commonly used in applications where flexibility is required, such as in conveyor belts. These are just a few examples of the different types of joints that can be used for steel strips. The choice of joint will depend on factors such as the strength requirements, the application, and the desired appearance of the final product.
- Q: How do steel strips contribute to energy efficiency in various industries?
- Steel strips contribute to energy efficiency in various industries in several ways. Firstly, steel strips are often used in the construction industry to make energy-efficient buildings. Steel has excellent thermal conductivity, which means it can efficiently transfer heat between the inside and outside of a building. This allows for better insulation and reduces the need for excessive heating or cooling, saving energy and reducing energy bills. Additionally, steel strips are commonly used in the manufacturing of energy-efficient appliances and equipment. For example, steel strips are used in the production of energy-efficient refrigerators, air conditioners, and boilers. The high strength and durability of steel allow for the creation of more efficient appliances that consume less energy during operation. Furthermore, steel strips are an integral part of renewable energy systems. Steel is used in the production of wind turbines, solar panels, and hydropower equipment. Steel strips are used to construct the support structures, frames, and other components of these renewable energy systems, ensuring their stability and durability. By using steel in the production of renewable energy systems, we can harness clean energy while minimizing the energy required for their maintenance and operation. Finally, steel strips are also used in the transportation industry to enhance energy efficiency. Steel is widely used in the production of lightweight yet strong components for automotive and aerospace applications. By reducing the weight of vehicles and aircraft, steel strips contribute to improved fuel efficiency and reduced emissions. This is particularly important in the context of electric vehicles, where lighter materials help to maximize battery life and extend driving range. In conclusion, steel strips play a crucial role in promoting energy efficiency in various industries. Whether it is in construction, manufacturing, renewable energy, or transportation, steel strips contribute to reducing energy consumption, improving insulation, and enhancing the overall sustainability of industrial processes.
- Q: What are the different treatments applied to steel strips for specific applications?
- Steel strips can undergo various treatments to enhance their properties and make them more suitable for specific applications. These treatments aim to improve the hardness, strength, toughness, and machinability of the steel, as well as its resistance to wear and corrosion. One commonly used treatment is heat treatment, which involves heating the steel strip to a specific temperature and rapidly cooling it. This process alters the microstructure of the steel, resulting in improved properties. Another treatment is surface coating, where a thin layer of another material is applied to the steel to provide protection against corrosion, enhance aesthetics, or improve performance in specific environments. Examples of surface coatings include zinc plating, galvanizing, and powder coating. Some steel strips may also undergo cold rolling or annealing processes. Cold rolling reduces the thickness of the steel strip and improves its surface finish by passing it through rollers at room temperature. Annealing, on the other hand, involves heating the steel strip to a specific temperature and slowly cooling it to relieve internal stresses and improve its ductility. Furthermore, mechanical processes such as bending, cutting, or shaping can be applied to steel strips to achieve the desired dimensions and form. These processes can be performed before or after any of the aforementioned treatments, depending on the specific requirements of the application. The choice of treatment for a steel strip depends on the intended application and the desired properties of the final product. By selecting the appropriate treatment, steel strips can be customized to meet the needs of various industries, including automotive, construction, and manufacturing.
- Q: What are the protective coating options for steel strips?
- There are several protective coating options available for steel strips, including galvanization, powder coating, epoxy coating, and paint. These coatings help to prevent corrosion, improve durability, and enhance the aesthetic appearance of the steel strips.
- Q: How are steel strips processed for slitting into narrower widths?
- Steel strips are processed for slitting into narrower widths through a series of mechanical operations. The first step in the process is to uncoil the steel strip from a large coil and feed it into a slitter machine. The slitter machine consists of multiple circular blades that are spaced apart according to the desired width of the final strips. As the steel strip passes through the slitter machine, the circular blades rotate and cut the strip into narrower widths. The distance between the circular blades determines the width of each individual strip. The slitter machine also has a tensioning system that ensures the steel strip remains taut throughout the process, preventing any buckling or creasing. Once the steel strip has been slit into narrower widths, it goes through a series of other processes to further refine and finish the strips. These processes may include edge trimming, where any uneven or rough edges are trimmed off to achieve smooth and precise edges. The strips may also be leveled to remove any residual stresses and ensure flatness. After all the necessary processing steps, the narrower steel strips are recoiled and packaged for shipment or further processing. The slitting process allows for the production of multiple narrower strips from a single large coil, which increases the versatility and usability of the steel in various applications. Overall, the processing of steel strips for slitting into narrower widths involves precise cutting, edge trimming, leveling, and recoiling to produce strips that meet specific width requirements and quality standards.
- Q: What is the maximum temperature limit for steel strips?
- The maximum temperature limit for steel strips typically varies depending on the specific grade of steel, but it is generally around 1000-1200 degrees Celsius.
- Q: How are steel strips processed for specific applications?
- Steel strips are processed for specific applications through a series of manufacturing steps such as hot rolling, cold rolling, annealing, and coating. These processes help in shaping the steel strips, improving their mechanical properties, and enhancing their corrosion resistance.
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Galvanized Steel Coil/Hot Dip Galvanized Steel Strips Coil
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 100000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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