Hot-Dip Galvanized Steel Roof with Competitive Price

Hot-Dip Galvanized Steel Roof with Competitive Price System 1

Hot-Dip Galvanized Steel Roof with Competitive Price

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 50 m.t.

Supply Capability:: 10000 m.t./month

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1. Hot-Dip Galvanized Steel Roof Description：

Hot-dip galvanized steel roof are available with a pure zinc coating through the hot-dip galvanizing process. It offers the economy, strength and formability of steel combined with the corrosion resistance of zinc. The hot-dip process is the process by which steel gets coated in layers of zinc to protect against rust. It is especially useful for countless outdoor and industrial application.

2.Main Features of the Hot-Dip Galvanized Steel Roof：

• Excellent process capability

• Smooth and flat surface

• Workability, durability

• Excellent heat resistance performance

• High strength

• Good formability

• Good visual effect

3.Hot-Dip Galvanized Steel Roof Images

Hot-Dip Galvanized Steel Roof with Competitive Price

4.Hot-Dip Galvanized Steel Roof Specification

Material: Galvanized Sheet

Width: 650/800/890/900

Length: 1500/1800/2000/2400/3005/3600 or customized

Thickness: 0.2-2.0

Surface Treatment: Hot dipped/Bended

Application: warehouse; shelter; Commercial facilities; industrial facilities

5.FAQ of Hot-Dip Galvanized Steel Roof

Which payment term we can do?

L/C at sight or T/T.

What’s the basic material of this product?

Galvanized/Aluzinc Steel

Q:What are the different types of steel coil slitting techniques?: There are several types of steel coil slitting techniques, including rotary shear slitting, loop slitting, and oscillating slitting.

Q:Steel is strong in both tension and compression. Concrete is only strong in compression, and is very fragile in tension. Plus, concrete is heavy--a huge drawback in, say, a bridge deck. And its fairly expensive. And it hides the condition of the steel embedded within it. So what does it bring to the table? Why use it at all?: Pre stressed concrete is held in compression by the steel cables within.

Q:ok I got a dpms ar 15 and all i have put though it is good brass 223 ammo but is it ok to shoot the old crappy steel cased wolf ammo out of it will it hurt its function or will it hurt it cosmetically?: Overall it's dirtier. In this age however it's also cheaper. So if you need to stock up. In case. It's still a good option. Fire your brass first.

Q:How do steel coils contribute to seismic resistance in structures?: Steel coils contribute to seismic resistance in structures by providing strength and flexibility. When placed strategically within the structure, steel coils can absorb and dissipate the energy generated during an earthquake, reducing the impact on the overall structure. This makes the structure more resistant to seismic forces, preventing or minimizing damage that could occur during an earthquake.

Q:How are steel coils used in the manufacturing of bridges?: Steel coils are used in the manufacturing of bridges as they are rolled into structural shapes, such as beams and columns, that provide the necessary strength and support for the bridge. These coils are then fabricated, welded, and assembled to create the various components of the bridge, ensuring it can withstand heavy loads and withstand the test of time.

Q:How are steel coils inspected for color consistency using colorimetry?: Steel coils can be inspected for color consistency using colorimetry, which is a method of quantifying and measuring colors. Colorimetry involves the use of specialized instruments, such as spectrophotometers or colorimeters, to measure the color of an object in terms of its hue, saturation, and brightness. To inspect steel coils for color consistency, a colorimeter is typically used. This device emits light onto the surface of the steel coil and measures the amount of light reflected back. The reflected light is then analyzed and compared to a known standard color to determine if there are any deviations. The colorimeter measures color by breaking down the reflected light into different wavelengths and quantifying the intensity of each wavelength. This data is then converted into numerical values that represent the color of the steel coil. These numerical values can be compared to a predefined color standard to determine if the color of the coil falls within an acceptable range. To ensure accurate and consistent color measurement, colorimetry relies on standardized color spaces, such as CIE L*a*b* or CIE RGB, which define a specific range of colors. By using these standardized color spaces, colorimeters can provide objective and reliable measurements of color consistency. In the case of steel coils, color consistency is particularly important for industries where the appearance of the final product is crucial, such as automotive or appliance manufacturing. By inspecting the color of steel coils using colorimetry, manufacturers can ensure that the final products have a consistent and visually appealing appearance. Overall, colorimetry is an effective method for inspecting steel coils for color consistency. By using specialized instruments and standardized color spaces, manufacturers can accurately measure and compare the color of steel coils to predefined standards, ensuring that the final products meet the desired color specifications.

Q:What are the different grades of steel used for manufacturing coils?: Manufacturing coils requires the use of various grades of steel, each selected for their specific properties and suitability for different purposes. Some commonly used grades include low carbon steel, high carbon steel, stainless steel, galvanized steel, and alloy steel. Low carbon steel, also known as mild steel, is a cost-effective option with good formability. It is ideal for applications that require low strength and high ductility, such as automotive components and construction materials. High carbon steel is characterized by its exceptional strength and hardness. It is commonly employed in the production of coils that demand high tensile strength, like springs and wires. Stainless steel, an alloy with a high chromium content, offers corrosion and oxidation resistance. It is often utilized in the manufacturing of coils for the food industry, medical equipment, and automotive applications. Galvanized steel, on the other hand, is steel coated with a layer of zinc to safeguard it against corrosion. It is frequently used in the production of coils that will be exposed to harsh environmental conditions or require excellent durability, such as roofing materials and electrical appliances. Alloy steel, formed by adding elements like manganese, nickel, chromium, or molybdenum to carbon steel, exhibits improved strength, hardness, and resistance to wear and corrosion. It finds wide application in industries that necessitate high strength and toughness, such as aerospace and automotive. Choosing the appropriate grade of steel is crucial to ensure optimal performance and longevity of the coils, as it is essential to match the specific requirements of the application.

Q:What are the different types of steel coil packaging?: There are several types of steel coil packaging, including steel strapping, stretch wrapping, shrink wrapping, and wooden crates.

Q:how much pressure can steel withstand? and how much pressure can concrete withstand? per m3 or cm3? thanks: A common allowable stress for steel is 24,000 psi for A36 steel. Note that allowable stress is a working stress that is less than ultimate stress the stress at which the material will rupture. This allowable stress keeps the steel within the elastic range. Concrete allowable stress is typically around 3000 psi. Concrete, though, being a mixed material has variable values for allowable stress. Reinforced concrete design theory suggests that concrete should not be considered to be able to carry much, if any, tensile force. This explains why you will see steel rebar or reinforcing bars cast in to the concrete. The steel is there to carry any tensile forces, while the concrete is there to carry compression forces. This is a VERY basic explanation. There are entire books on both of these subjects...

Q:What are the common methods of inspecting steel coils for defects?: Inspecting steel coils for defects involves several commonly used methods. These methods encompass visual inspection, ultrasonic testing, magnetic particle inspection, and eddy current testing. Visual inspection, the most basic method, entails physically examining the steel coil's surface for noticeable defects like cracks, dents, or irregularities. Typically, this initial step in the inspection process promptly identifies any obvious defects. Ultrasonic testing, a more advanced method, employs high-frequency sound waves to detect defects within the steel coil. Ultrasonic waves are transmitted into the coil via a probe, and any internal flaws or defects reflect the waves back to the probe. This method effectively identifies defects such as voids, cracks, or inclusions. Magnetic particle inspection is another commonly utilized method. It involves magnetizing the coil and applying iron particles to the surface. Defects or cracks disrupt the magnetic field, attracting the iron particles and making them visible. This method is particularly effective for surface cracks or defects. Eddy current testing is a non-destructive method utilizing electromagnetic induction to detect defects in the steel coil. By generating an alternating magnetic field using a probe, any changes in the material's electrical conductivity or magnetic permeability due to defects generate eddy currents. These eddy currents can be measured and analyzed to identify defects like cracks, voids, or changes in material properties. In summary, these common methods offer varying levels of accuracy and sensitivity in inspecting steel coils for defects, ensuring their quality and integrity. The choice of method depends on factors such as the type and size of defects to be detected, the required level of inspection accuracy, and the time and cost limitations of the inspection process.

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