Hot dipped galvanized steel strips

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: 10000吨 m.t./month

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Our products are used in steel structure projects and building metallic materials, such as roofing systems, C-shape purlin, U-shape steel channels, welded pipes,and highway guardrails.Our annual production capability has reached 150,000 metric tons.

We have become one of the leading enterprises engaged in the production of hot dipped galvanized steel coils in China, with advanced equipment and technology.

Detailed Product Description
Product Name:hot dipped galvanized steel strips
Features:
1) Available thickness: 1.0mm-3.0mm
2) Available width: less than 700mm
3) Zinc coating mass: 275gsm can be provided as clients' requirements
4) Spangle: regular spangle
5) Surface treatment: chromated or not; oiled or not

Q: How are steel strips processed for surface cleaning?: To achieve a clean and smooth surface finish, steel strips undergo a series of steps for surface cleaning. These steps ensure the removal of contaminants. Mechanical cleaning, chemical cleaning, and coating removal are some of the techniques used in this process. Loose debris, rust, or scale on the surface of the steel strips are commonly removed using mechanical cleaning methods like brushing or grinding. This not only prepares the surface for subsequent cleaning steps but also improves the overall appearance of the strips. Chemical cleaning is an important step in the surface cleaning process. It involves the use of chemicals or solvents to dissolve and remove stubborn contaminants such as grease, oil, or paint. The choice of cleaning solution depends on the type and extent of the contaminants present on the steel strips. If the steel strips have been previously coated with paint or another protective layer, coating removal may be necessary. Techniques like sandblasting or chemical stripping are employed to strip away the existing coating, allowing for further cleaning and surface preparation. After the initial cleaning steps, rinsing or washing processes are carried out to remove any remaining traces of cleaning agents or residues. This ensures that the surface is completely clean and ready for subsequent treatments or applications. In summary, the surface cleaning process for steel strips involves a combination of mechanical and chemical techniques to eliminate contaminants and achieve a pristine surface finish. This process is vital for enhancing the quality and performance of steel strips in various industries, including automotive, construction, and manufacturing.

Q: Can steel strips be used in the production of watch cases?: Yes, steel strips can be used in the production of watch cases. Steel is a popular material choice for watch cases due to its durability, strength, and corrosion resistance. Steel strips can be easily molded and shaped into the desired watch case design, allowing for a wide range of styles and sizes. Additionally, steel watch cases offer a sleek and classic look that is highly desired by many watch enthusiasts. Overall, steel strips are a suitable and commonly used material in the production of watch cases.

Q: What are the factors to consider when selecting steel strips for a specific application?: When selecting steel strips for a specific application, several factors need to be considered. These include the desired mechanical properties such as strength, hardness, and ductility, as well as the required corrosion resistance. Other factors to consider are the dimensions and thickness of the strips, the manufacturing process, and the intended environment and conditions of use. Additionally, cost, availability, and any specific industry standards or certifications may also influence the selection process.

Q: How are steel strips coated with a polymer film?: There are various methods available for coating steel strips with a polymer film. One popular technique is hot-dip coating, where the steel strip is immersed in molten polymer after being preheated to a specific temperature. Excess polymer is then removed by passing the strip through rollers, resulting in a uniform coating thickness. The strip is cooled and solidifies, creating a polymer film that adheres to the steel surface. Another method is electrostatic coating, where the polymer film is applied using an electrostatic charge. The steel strip is passed through electrodes that give it a positive charge, while the polymer particles carry a negative charge. Due to the opposite charges, the polymer particles are attracted to the steel strip and stick to its surface. After application, the coated strip is heated to cure the polymer film and ensure proper adhesion. Roll coating and spray coating are additional techniques used to apply the polymer film. Roll coating involves using rollers, while spray coating uses spray guns. These methods are commonly employed when thinner polymer films are desired, as they offer more control over coating thickness and uniformity. Regardless of the chosen method, the main objective is to establish a strong bond between the polymer film and the steel surface. This is essential for the durability and effectiveness of the coating, as it provides protection against corrosion, abrasion, and other environmental factors. The selection of the coating method depends on factors such as desired film thickness, polymer properties, and the intended application of the coated steel strip.

Q: How are steel strips processed for embossing?: Steel strips are processed for embossing through a series of steps to achieve the desired pattern or texture on the surface of the strip. First, the steel strip is cleaned thoroughly to remove any dirt, oil, or other contaminants that may affect the embossing process. This is done using cleaning agents and sometimes mechanical methods like brushing or blasting. Once the strip is clean, it is then heated to a specific temperature to make it more malleable and easier to work with. Heating can be done through various methods such as induction heating or furnace heating, depending on the size and thickness of the steel strip. After heating, the strip is then passed through a pair of embossing rollers. These rollers have engraved patterns or designs that are transferred onto the surface of the strip. The pressure applied by the rollers creates indentations or raised patterns on the surface, giving the steel strip its embossed texture. To ensure a uniform and consistent embossed pattern, the strip may be passed through the embossing rollers multiple times. Adjustments can also be made to the pressure and temperature during the embossing process to achieve the desired depth and clarity of the embossed design. Once the embossing is complete, the steel strip may undergo further processing steps such as cooling, trimming, or cutting to obtain the final dimensions required for the specific application. The embossed steel strip can then be used in various industries such as automotive, construction, or decorative applications, where the textured surface adds aesthetic appeal or functional properties to the product.

Q: How are steel strips different from steel sheets?: Steel strips are narrower and longer in shape compared to steel sheets. Strips are typically used for various applications such as banding or strapping, while sheets are used for larger projects like roofing or construction.

Q: Can steel strips be used in the construction of bridges or buildings?: Yes, steel strips can be used in the construction of bridges or buildings. Steel is a widely used material in construction due to its strength, durability, and versatility. Steel strips can be employed for various purposes, such as reinforcing concrete structures, creating structural elements, or as cladding. Additionally, steel's high tensile strength makes it ideal for bridges, providing the necessary support and stability required for heavy loads and spanning long distances.

Q: What are the dimensional tolerances for steel strips?: The dimensional tolerances of steel strips differ based on the particular application and industry requirements. However, the determination of these tolerances generally relies on international standards like ASTM or EN. Dimensional tolerances encompass various parameters including thickness, width, length, flatness, straightness, and edge condition. For instance, the thickness tolerance for steel strips can vary from +/- 0.0005 inches to +/- 0.005 inches based on the steel's grade and thickness range. Likewise, the width tolerance can range from +/- 0.002 inches to +/- 0.020 inches, while the length tolerance can range from +/- 0.010 inches to +/- 0.100 inches, depending on industry standards and application. Regarding flatness and straightness, tolerances define the maximum deviation from a flat or straight surface over a specified length or width. These tolerances are commonly expressed as a percentage or a specific value, such as 0.002 inches per foot. Edge condition tolerances are also crucial for steel strips as they impact the product's performance and functionality. These tolerances establish acceptable limits for burrs, slivers, or roughness on the strip's edges. It is important to emphasize that these dimensional tolerances may vary depending on the steel's grade, manufacturing process, and intended use of the strips. Thus, consulting the relevant standards and specifications is essential to obtain accurate and precise dimensional tolerances for steel strips in a specific application.

Q: Can steel strips be used in the production of agricultural machinery?: Yes, steel strips can be used in the production of agricultural machinery. Steel strips are often utilized for various components such as frame structures, blades, cutting edges, and other parts that require high strength and durability. They provide excellent resistance to wear, corrosion, and impact, making them suitable for heavy-duty applications in the agricultural sector.

Q: Can steel strips be used for making automotive components?: Yes, steel strips can be used for making automotive components. Steel strips are commonly used in the automotive industry for various applications such as body panels, frames, brackets, and reinforcements due to their strength, durability, and ability to withstand high temperatures and impacts.

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