DFHOT-DIP GALVANIZED STEEL

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HOT-DIP ALUZINC STEEL 72104910

THICKNESS：0.18mm-1.5mm

WIDTH：900mm-1250mm

COATING MASS：Z30-Z275

SPANGLE：Regular Spangle，Minimized Spangle，Zero Spangle

SURFACE TREATMENT：N0on or Chromated,Non or Oiled,Non or Anti Finger Print

COIL INNER DIAMETER：508mm/610mm

COIL WEIGHT：3mt-7mt

In continuous units in cold rolled steel strip, galvanized steel (electro galvanized and hot dip galvanized) as substrate, after surface pretreatment (degreasing and science processing), using the method of roll coating, coated with a layer or multi-layer liquid coating of plate, after baking and cooling income is the coating steel plate. Because the coating can have a variety of colors, on the habits of the coated steel sheet is called color coating steel plate. Because the coating is carried out before the sheet metal forming, in foreign countries which is called pre coating plate.

Color coated steel sheet is an organic coating coating on the steel surface, it has the advantages of beautiful appearance, bright color, high strength, good corrosion resistance, easy processing molding, but also allows the user to reduce costs, reduce pollution.

From the United States in 1935 to establish the first continuously coated steel line to begin, color coated steel plate has been widely applied, the current color coated plate varieties, about more than 600 kinds, the advantages of color coated sheet and organic polymer and steel plate of the two, which has good colorability, organic polymer molding, corrosion resistance and decorative, and steel plate with high strength and easy processing, can easily be punching cutting, bending, deep drawing processing. Made this makes organic coated steel sheet products have excellent practical, decorative, workability, durability.

Q: What is the maximum temperature resistance of steel sheets?: The maximum temperature resistance of steel sheets is dependent on the specific type of steel and its composition. Stainless steel, in general, exhibits good heat resistance and can endure temperatures up to approximately 1200 degrees Celsius (2200 degrees Fahrenheit) while maintaining its strength and structural integrity. Conversely, high carbon steels can tolerate temperatures up to around 900 degrees Celsius (1650 degrees Fahrenheit) before experiencing a decline in their mechanical properties. It should be noted that these temperature limits are approximate and subject to variation based on factors such as exposure duration, the presence of other elements or impurities in the steel, and the specific application of the steel sheets. Consequently, it is always prudent to refer to the manufacturer's specifications or conduct further research to ascertain the precise maximum temperature resistance of a specific type of steel sheet.

Q: How do steel sheets perform in thermal conductivity?: Steel sheets have high thermal conductivity, meaning they are efficient at transferring heat. This property makes them ideal for applications that require heat transfer, such as in heating systems, cookware, and industrial processes.

Q: What are the different types of steel sheet finishes for architectural applications?: Architectural applications commonly utilize various types of steel sheet finishes, each serving a different purpose. These finishes not only enhance the visual appeal of steel sheets but also offer protection against corrosion and environmental factors. 1. Mill Finish: The most basic type of finish, the steel sheet remains as it is from the mill. It has a dull, gray appearance and is typically used for applications where aesthetics are not a priority. 2. Brushed Finish: Also known as a satin finish, this type of finish is achieved by brushing the steel sheet with a fine abrasive material. It results in a smooth, linear texture, giving the surface a contemporary and elegant look. 3. Polished Finish: Achieved by polishing the steel sheet with abrasive materials, this finish creates a smooth and reflective surface. It offers a high-gloss, mirror-like appearance, making it suitable for applications that require a sophisticated and luxurious look. 4. Embossed Finish: This finish involves pressing the steel sheet with embossing tools to create textured patterns or designs on the surface. It provides a unique and decorative appearance, ideal for architectural applications that require visual interest. 5. Patterned Finish: This finish entails applying patterns or textures onto the steel sheet using techniques like etching, laser cutting, or perforating. It creates visually appealing surfaces with intricate designs, suitable for both functional and decorative purposes. 6. Powder Coated Finish: This finish involves electrostatically applying a layer of dry powder paint to the steel sheet, which is then cured under heat. It offers a durable and vibrant finish, available in a wide range of colors and textures. This finish is highly resistant to chipping, scratching, and fading, making it ideal for exterior architectural applications. 7. Galvanized Finish: This finish is achieved by applying a layer of zinc coating onto the steel sheet through galvanization. It provides excellent corrosion resistance, making it suitable for outdoor architectural applications exposed to harsh environments. In conclusion, the choice of steel sheet finish depends on the desired aesthetics, durability, and environmental conditions of the architectural application.

Q: What is the difference between galvanized and non-galvanized steel sheets?: The main difference between galvanized and non-galvanized steel sheets is the presence of a protective zinc coating on the galvanized sheets. This coating helps to prevent corrosion and rusting, making galvanized steel sheets more durable and long-lasting compared to non-galvanized ones.

Q: Are steel sheets vulnerable to UV radiation?: Yes, steel sheets are generally not vulnerable to UV radiation.

Q: What are the different sheet metal stamping techniques for steel sheets?: There are several sheet metal stamping techniques for steel sheets, including blanking, piercing, bending, deep drawing, and embossing.

Q: Can steel sheets be used for railway track components?: Yes, steel sheets can be used for railway track components. Steel is a commonly used material in railway construction due to its strength, durability, and resistance to wear and tear. Steel sheets can be fabricated and shaped into various railway track components such as rails, sleepers, and fasteners, ensuring the stability and longevity of the track system.

Q: Can the steel sheets be used for automotive body panels?: Yes, steel sheets can be used for automotive body panels due to their strength, durability, and ability to withstand impact and corrosion.

Q: What is the average bending radius for steel sheets?: The bending radius of steel sheets is subject to variation depending on factors such as thickness, grade, and steel type. Nevertheless, in the case of mild steel sheets, the minimum bending radius typically equates to roughly four times the sheet thickness. To illustrate, if the sheet thickness measures 1.6mm, the minimum bending radius would be approximately 6.4mm. It is crucial to recognize that this serves as a general principle, and particular bending specifications may deviate depending on the intended application and desired result.

Q: What is the difference between hot-rolled and cold-rolled steel sheets?: The manufacturing process and resulting characteristics of steel sheets differ between hot-rolled and cold-rolled varieties. Hot-rolled steel sheets are produced by heating a large steel slab and passing it through high-temperature rollers. This allows for easy shaping and forming into various sizes and thicknesses. The elevated temperature also removes any residual stress in the steel, making it more flexible and moldable. Consequently, hot-rolled steel sheets possess a rougher surface finish and may exhibit a thin oxide layer called scale. However, they are generally less expensive and come in a wider range of sizes. In contrast, cold-rolled steel sheets are created by cooling down the hot-rolled steel and passing it through rollers at room temperature. This process not only reduces the steel's thickness but also enhances its surface finish and dimensional accuracy. Cold-rolling gives the steel sheets a smooth and shiny appearance, making them suitable for applications where aesthetics matter. Additionally, cold-rolling improves the steel's strength and hardness, making it more appropriate for high-stress uses. However, cold-rolled steel sheets are typically more costly due to the additional processing involved. In summary, hot-rolled steel sheets offer greater formability and lower cost, but have a rougher surface finish and may exhibit scale. On the other hand, cold-rolled steel sheets have superior surface finish, dimensional accuracy, and strength, but are pricier. Choosing between hot-rolled and cold-rolled steel sheets depends on the specific requirements of the application, including desired surface finish, strength, and cost considerations.

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