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CORRIGATED SHEET 7210701000

Product Name：corrugated steel roofing sheet

Effective Width：650mm to 1250mm

Thickness：0.13mm-0.8mm

Material PPGI/PPGL steel coil

Coating：Z30-Z275，AZ30-AZ180

Color：white,blue or any RAL colors

length：1m-11.8m according to the container

top color coating：12um-25um

Back color coating：7um-10um

HRB：50-95

Base plate：PRE-PAINTED ALUZINC STEEL COIL，PRE-PAINTED GALVANIZED STEEL COIL

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 difference between hot dipped galvanized and electro galvanized steel sheets?: The main difference between hot dipped galvanized and electro galvanized steel sheets lies in the process of coating. Hot-dipped galvanized steel sheets are coated by immersing them in a bath of molten zinc, which creates a thicker and more durable layer of zinc compared to electro galvanized steel sheets. On the other hand, electro galvanized steel sheets are coated by an electrolytic process, where a thin layer of zinc is applied to the steel surface. This makes electro galvanized steel sheets more suitable for applications that require a thinner coating and a smoother finish, while hot-dipped galvanized steel sheets provide excellent corrosion resistance and are often used in more heavy-duty applications.

Q:How can the white steel plate be bright and cleaned?: The corrosion resistance of white steel depends mainly on its alloy composition (chromium, nickel, titanium, silicon, aluminum, etc.) and the internal structure of the alloy. The main element is chromium. Chromium has high chemical stability, can form a passive film on the steel surface, so that the metal is isolated from the outside, protect the steel plate from oxidation and increase the corrosion resistance of the steel plate. When the passive film is destroyed, the corrosion resistance will decrease.

Q:Where can steel sheets be purchased?: Steel sheets can be purchased from various sources, such as hardware stores, home improvement centers, online retailers, steel suppliers, and metal fabrication shops.

Q:How do steel sheets perform in marine environments?: Steel sheets perform well in marine environments due to their high strength and corrosion resistance. The steel's protective oxide layer helps prevent rusting and deterioration caused by saltwater exposure. Additionally, steel sheets can withstand the harsh conditions of marine environments, including waves, moisture, and extreme temperatures, making them a reliable choice for various marine applications such as shipbuilding and offshore structures.

Q:Can steel sheets be used for acoustic insulation?: Acoustic insulation can be achieved to some extent with steel sheets, but their effectiveness falls short compared to materials specifically designed for this purpose. The density and mass of steel sheets naturally possess sound-blocking properties that can aid in reducing the transmission of sound waves. Nevertheless, materials such as mineral wool, fiberglass, or acoustic foam, which are engineered to absorb and dampen sound, outperform steel sheets in this regard. Although steel sheets can provide a certain degree of noise reduction, they are primarily utilized for structural purposes in buildings rather than serving as the primary acoustic insulation material. For optimal acoustic insulation, it is advisable to employ materials that have undergone specific design and testing for noise reduction, as they will offer superior performance in absorbing and blocking sound waves.

Q:What is the difference between a hot rolled and hot dipped galvanized steel sheet?: Producing a hot rolled steel sheet involves rolling the steel at high temperatures, typically exceeding 1,000 degrees Fahrenheit. This technique allows for easy shaping and forming, resulting in a sheet with a less precise and rougher surface finish. These sheets find frequent use in construction and structural projects where strength and durability are essential. Conversely, a hot dipped galvanized steel sheet undergoes an additional process following hot rolling. The sheet is immersed in molten zinc, creating a protective coating on its surface. This coating offers exceptional corrosion resistance and helps prevent rust, making hot dipped galvanized steel sheets particularly suitable for outdoor and exposed applications. The key difference between the two types lies in their surface finish and protective properties. Hot rolled steel sheets possess a rougher surface, while hot dipped galvanized steel sheets exhibit a smoother and more uniform appearance due to the zinc coating. Moreover, the galvanization process enhances the steel's corrosion protection, extending its lifespan and making it well-suited for harsh environments. To summarize, hot rolled steel sheets are versatile and widely used in various applications, whereas hot dipped galvanized steel sheets provide an extra layer of defense against corrosion and are often preferred for outdoor or exposed applications.

Q:What is the difference between a perforated and non-perforated steel sheet?: A perforated steel sheet is a type of sheet metal that has small holes or perforations evenly spaced throughout the surface. These holes serve various purposes such as allowing for better airflow, drainage, or filtration. On the other hand, a non-perforated steel sheet does not have any holes and has a solid surface throughout. The main difference between the two is the presence or absence of these perforations, which determines their specific functions and applications.

Q:What are the different jointing methods for steel sheets?: Steel sheets can be joined using various methods, depending on specific requirements and applications. Common jointing methods for steel sheets include welding, bolting, riveting, adhesive bonding, and mechanical fasteners. Welding is widely used, involving melting the steel sheet edges and joining them by applying heat and pressure. Different welding techniques, like arc welding, gas welding, or laser welding, can be used depending on the steel sheet thickness and type. Bolting involves using bolts and nuts to join steel sheets together. This method is suitable for easily disassembling or replacing joints and can be used for both permanent and temporary connections. Riveting is another method, using rivets to join steel sheets. Rivets are cylindrical metal pins inserted through holes in the sheets and deformed to secure the joint. Riveting is ideal for applications requiring high shear strength. Adhesive bonding uses specialized adhesives to join steel sheets. This method provides a strong and durable joint, suitable when welding or other mechanical jointing methods are not suitable. Adhesive bonding also distributes stress more uniformly across the joint. Mechanical fasteners, like clips, clamps, or brackets, can be used to join steel sheets. These fasteners offer a secure and reliable connection without requiring welding or other permanent jointing methods. They are commonly used when ease of assembly and disassembly is necessary. In conclusion, the choice of jointing method for steel sheets depends on factors such as the application, desired strength and durability, and ease of assembly and disassembly. Careful consideration of these factors is essential to ensure a successful and reliable connection.

Q:What are the different edge finishes available for steel sheets?: Some of the different edge finishes available for steel sheets include mill edge, sheared edge, slit edge, deburred edge, and rounded edge.

Q:Are the steel sheets resistant to atmospheric corrosion?: Yes, steel sheets are generally resistant to atmospheric corrosion. However, the level of resistance can vary depending on the specific type of steel used and the environmental conditions it is exposed to. For instance, stainless steel sheets are highly resistant to atmospheric corrosion due to the presence of chromium, which forms a protective oxide layer on the surface. On the other hand, carbon steel sheets may be more susceptible to corrosion if they are not properly coated or treated. Additionally, the presence of pollutants, humidity, and other factors in the atmosphere can also affect the corrosion resistance of steel sheets. Therefore, it is important to consider these factors and choose the appropriate type of steel and protective measures to ensure long-term resistance to atmospheric corrosion.

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