Galvanized Steel Coil with Best Quality from China

Galvanized Steel Coil with Best Quality from China System 1

Galvanized Steel Coil with Best Quality from China

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Loading Port:: Tianjin

Payment Terms:: TT or LC

Min Order Qty:: 50 m.t.

Supply Capability:: 5000 m.t./month

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Hot-dip Zinc Coating Steel Building Roof Walls
1.Structure of Hot-Dip Galvanized Steel Sheet Description：

Hot-dip galvanized steel coils 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 applications. Production of cold formed corrugated sheets and profiles for roofing, cladding, decking, tiles, sandwich walls, rainwater protective systems, air conditioning duct as well as electrical appliances and engineering.

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

• Excellent process capability

• Smooth and flat surface

• Workability, durability

• Excellent anticorrosive property

• High strength

• Good formability

• Good visual effect

3.Hot-Dip Galvanized Steel Sheet Images:

Galvanized Steel Coil with Best Quality from China

4.Hot-Dip Galvanized Steel Sheet Specification：

Standard: ASTM, JIS,EN

Grade: CS, DX51D+Z,SGCC, SS 230~550,S220GD+Z~S550GD+Z, SGC340~SGC570

Thickness: 0.1mm~5mm

Width: max 2000mm

Coil weight:3-12 MT

Coil ID:508/610mm

Surface structure: zero spangle, regular spangle or minimum spangle

Surface treatment: Chromate treatment, Oiled/dry, skinpassed/non-skinpassed

Packing: Standard seaworthy export package

Technology test results:

Galvanized Steel Coil with Best Quality from China

5.FAQ of Hot-Dip Galvanized Steel Sheet：

We have organized several common questions for our clients，may help you sincerely：

1.How about your company？

A world class manufacturer & supplier of castings forging in carbon steel and alloy steel，is one of the large-scale professional investment casting production bases in China,consisting of both casting foundry forging and machining factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,America and Japan. OEM casting and forging service available according to customer’s requirements.

2.How to guarantee the quality of the products？

We have established the international advanced quality management system，every link from raw material to final product we have strict quality test；We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

3. How long can we receive the product after purchase?

Usually within thirty working days after receiving buyer’s advance payment or LC. We will arrange the factory manufacturing as soon as possible. The cargo readiness usually takes 15-30 days, but the shipment will depend on the vessel situation.

Q: Can stainless steel sheets be used for power generation equipment?: Stainless steel sheets are indeed applicable for power generation equipment. With its versatility, stainless steel possesses a range of advantageous qualities specifically tailored for power generation applications. Its corrosion resistance is exceptional, a paramount characteristic for equipment that comes into contact with water, steam, or other corrosive substances. Moreover, stainless steel exhibits remarkable strength and durability, enabling it to withstand the elevated temperatures and pressures frequently encountered in power generation systems. Another notable attribute is its proficiency as an electrical conductor, rendering it suitable for electrical components and connections within the equipment. Consequently, stainless steel sheets are widely employed in the construction of power generation equipment, including turbines, boilers, heat exchangers, and exhaust systems.

Q: What does stainless steel sheet S2 stand for?: It is an alloy steel which is not easily rusted, but it is not absolutely rusty. Stainless steel plate refers to the atmosphere, steam and water and other weak medium corrosion of steel plate, and acid resistant steel plate refers to acid, alkali, salt and other chemical corrosive medium corrosion of steel plate. Stainless steel plate has been published since the beginning of twentieth Century, and now has a history of more than 1 centuries.

Q: What are the different types of surface protection available for stainless steel sheets?: There are various options available for protecting stainless steel sheets from corrosion, scratches, and other damage. Each option offers different levels of protection and can be chosen based on specific needs. One commonly used method is the application of a thin, adhesive film onto the stainless steel surface. This film acts as a barrier, safeguarding the sheet from scratches, dirt, and other contaminants. Typically, this film is removed after the sheet is installed. Another popular option is PVC coating, which involves applying a thicker and more durable layer of polyvinyl chloride onto the stainless steel. This coating provides excellent corrosion resistance and is available in different colors and finishes. It can be applied through a process called powder coating. Alternatively, a layer of paint can be applied to the stainless steel surface through spray painting or electrostatic coating methods. Paint coatings not only protect against corrosion but also enhance the appearance of the sheet. Passivation is a chemical process that removes iron from the stainless steel surface, creating a protective oxide layer. This layer improves the sheet's resistance to corrosion and is commonly used in industries with aggressive environments. Electropolishing is a process that removes a thin layer of metal from the stainless steel surface, resulting in a smooth and clean finish. It not only enhances the appearance but also increases the sheet's corrosion resistance. Metal plating involves applying a thin layer of another metal, such as zinc or nickel, onto the stainless steel surface. This provides sacrificial protection, as the plated metal corrodes instead of the underlying stainless steel. Metal plating is commonly used in outdoor applications exposed to harsh environments. When selecting the appropriate surface protection method, it is crucial to consider factors such as the environment, intended use, and aesthetic preferences. These factors will help determine the most suitable option for protecting the stainless steel sheet.

Q: What is the difference between stainless steel sheets and plates?: Stainless steel sheets and plates are both types of flat metal materials that are widely used in various industries and applications. However, there are a few key differences between them. 1. Thickness: Stainless steel sheets are generally thinner than plates. Sheets typically have a thickness ranging from 0.4mm to 4mm, whereas plates are usually thicker, starting from 4mm and going up to several inches. 2. Size: Sheets are typically available in standard sizes of 4ft x 8ft or 5ft x 10ft, while plates are usually available in larger sizes and can be customized to specific dimensions. Plates are commonly used for heavy-duty applications that require greater strength and durability. 3. Weight: Due to their difference in thickness, plates are generally heavier than sheets. This makes plates more suitable for applications where weight-bearing capacity is critical, such as construction, shipbuilding, or industrial equipment. 4. Applications: Stainless steel sheets are commonly used for decorative purposes, architectural applications, and smaller-scale projects such as kitchen backsplashes or countertops. Plates, on the other hand, are preferred for structural components, machinery parts, and load-bearing applications like bridges, tanks, or pressure vessels. 5. Cost: Stainless steel plates are generally more expensive than sheets due to their larger size and higher thickness. Sheets, being thinner and smaller, are usually more cost-effective and easily accessible. In summary, the key differences between stainless steel sheets and plates are their thickness, size, weight, applications, and cost. It is important to consider these factors when choosing between the two materials for a specific project or application.

Q: Are stainless steel sheets resistant to UV radiation?: Yes, stainless steel sheets are generally resistant to UV radiation. The chromium content in stainless steel helps to form a protective oxide layer, which acts as a barrier against UV rays. This makes stainless steel a durable and reliable material for outdoor applications that are exposed to sunlight. However, prolonged exposure to intense sunlight may cause some slight discoloration or fading over time.

Q: How do you form stainless steel sheets into different shapes?: Different shapes can be achieved with stainless steel sheets by employing various processes, including bending, rolling, and welding. The choice of method depends on the desired shape and the thickness of the sheet. To form stainless steel sheets into shapes like cylinders or boxes, bending is commonly used. This involves clamping the sheet between a punch and a die and applying force to create the desired bend. By adjusting the pressure and the distance between the punch and die, the angle and radius of the bend can be controlled. Rolling is another technique used to form stainless steel sheets into curved or cylindrical shapes. This process entails passing the sheet through a series of rollers, which gradually bend the material into the desired shape. The diameter and curvature of the final shape can be altered by changing the spacing and alignment of the rollers. For more complex shapes, welding is often combined with bending or rolling. Multiple stainless steel sheets are joined together using heat and pressure to create the desired form. This enables the creation of intricate shapes, such as cones or irregular geometries. In addition to these methods, specialized equipment like hydraulic presses or hydroforming can be employed to shape stainless steel sheets. These techniques involve applying high pressure or fluid pressure to the sheet, resulting in deformation and the desired shape. It is crucial to note that forming stainless steel sheets necessitates skilled operators and precise machinery to ensure accuracy and quality. Moreover, the properties of the stainless steel, such as thickness and composition, can also impact the feasibility and success of the forming process.

Q: What are the benefits of using laser-cut stainless steel sheets?: There are several benefits of using laser-cut stainless steel sheets: 1. Precision and accuracy: Laser cutting offers high precision and accuracy, resulting in clean and precise cuts on stainless steel sheets. This ensures that the desired design or shape is achieved with minimal errors or imperfections. 2. Versatility: Laser cutting technology allows for the cutting of intricate and complex designs on stainless steel sheets. This versatility makes it suitable for a wide range of applications, including architectural, industrial, automotive, and decorative purposes. 3. Time and cost efficiency: Laser cutting stainless steel sheets is a relatively quick and efficient process. It requires less setup time and can be automated, reducing labor costs and increasing productivity. Additionally, laser cutting eliminates the need for additional finishing processes, saving both time and money. 4. Clean and smooth edges: Laser cutting provides clean and smooth edges on stainless steel sheets, eliminating the need for additional filing or grinding. This results in a high-quality finish, enhancing the overall aesthetics of the final product. 5. Minimal material wastage: Laser cutting is a non-contact process, which means there is no physical force applied to the stainless steel sheets. This results in minimal material wastage, as the laser beam precisely cuts through the targeted areas without damaging the surrounding material. 6. Reduced risk of distortion: Traditional cutting methods, such as plasma cutting or shearing, can cause distortion or warping of the stainless steel sheets. Laser cutting, on the other hand, produces minimal heat-affected zones, reducing the risk of distortion and ensuring dimensional accuracy. 7. Enhanced design possibilities: Laser cutting enables the creation of intricate designs and patterns on stainless steel sheets that may not be possible with other cutting methods. This opens up a world of design possibilities, allowing for unique and visually appealing products. Overall, the benefits of using laser-cut stainless steel sheets include precision, versatility, time and cost efficiency, clean edges, minimal material wastage, reduced risk of distortion, and enhanced design possibilities. These advantages make laser cutting an attractive choice for various industries and applications.

Q: What are the applications of stainless steel sheets in the automotive industry?: Stainless steel sheets in the automotive industry are used for various applications such as body panels, exhaust systems, fuel tanks, and structural components. They provide excellent corrosion resistance, high strength, and durability, making them ideal for withstanding harsh conditions and ensuring long-lasting performance in vehicles. Additionally, stainless steel sheets can be easily formed and welded, allowing for precise shaping and customization according to the specific requirements of different automotive parts.

Q: What is the maximum width available for stainless steel sheets?: The maximum width available for stainless steel sheets can vary depending on the manufacturer and specific product, but it typically ranges from 48 inches to 72 inches.

Q: Can stainless steel sheets be used for electrical enclosures?: Yes, stainless steel sheets can be used for electrical enclosures. Stainless steel is a highly durable and corrosion-resistant material that provides excellent protection for electrical components. It has high strength and can withstand harsh environmental conditions, making it suitable for both indoor and outdoor applications. Additionally, stainless steel has good conductivity and can dissipate heat efficiently, which is crucial for maintaining proper temperatures within the enclosure. This makes stainless steel sheets a reliable choice for electrical enclosures, offering long-lasting performance and protection for the enclosed electrical equipment.

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