Prepainted Galvanized Steel Sheets in Coil

Prepainted Galvanized Steel Sheets in Coil System 1

Prepainted Galvanized Steel Sheets in Coil System 2

Prepainted Galvanized Steel Sheets in Coil

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 100 m.t.

Supply Capability:: 10000 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:

Prepainted Galvanized Steel Sheets in Coil

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:

Prepainted Galvanized Steel Sheets in Coil

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: What is the difference between a painted and laminated steel sheet?: A painted steel sheet and a laminated steel sheet are both types of steel sheets that offer different characteristics and applications. A painted steel sheet is a steel sheet that has been coated with a layer of paint. This paint layer provides protection against corrosion and adds aesthetic appeal to the sheet. The paint can come in various colors and finishes, allowing for customization and versatility in design. Painted steel sheets are commonly used in architectural applications, such as roofing, siding, and wall cladding, as well as in automotive and appliance industries. The paint layer may require periodic maintenance to ensure its durability and appearance. On the other hand, a laminated steel sheet is created by bonding multiple layers of materials together. Typically, it consists of a steel core and one or more layers of other materials, such as plastic, polymer, or resin. The lamination process enhances the strength, durability, and performance of the steel sheet. Laminated steel sheets offer superior resistance against impact, scratching, and chemical exposure, making them suitable for applications that require high mechanical strength and protection, such as transportation, construction, and industrial equipment manufacturing. The laminate layers can also provide additional functionalities like sound insulation, thermal insulation, or fire resistance. In summary, the main difference between painted and laminated steel sheets lies in their composition and purpose. A painted steel sheet primarily focuses on aesthetics and corrosion protection, while a laminated steel sheet prioritizes strength, durability, and specialized functionalities. The choice between the two depends on the specific requirements of the application at hand.

Q: How do steel sheets perform in terms of corrosion resistance?: Steel sheets generally have good corrosion resistance, especially when they are coated with protective layers such as zinc or alloys. The corrosion resistance of steel sheets depends on the composition and quality of the steel, as well as the environment in which they are utilized. Stainless steel sheets, for example, offer high resistance to corrosion due to the presence of chromium and other alloying elements. These sheets are particularly effective in environments with high humidity, saltwater exposure, or acidic conditions. However, uncoated or low-alloy steel sheets may be prone to rust and corrosion in aggressive environments. Regular maintenance, such as applying protective coatings or using corrosion inhibitors, can enhance the corrosion resistance of steel sheets and prolong their lifespan.

Q: What are the safety precautions to consider when handling steel sheets?: When handling steel sheets, it is important to consider several safety precautions. First and foremost, it is crucial to wear appropriate personal protective equipment (PPE) such as gloves, safety glasses, and steel-toed boots to protect against possible cuts, injuries, and eye hazards. Secondly, ensure that the work area is well-lit and free from any obstructions or tripping hazards to prevent accidents. Additionally, proper lifting techniques should be employed, using mechanical aids or assistance when necessary, as steel sheets can be heavy and cause strain or back injuries. It is also advisable to store steel sheets in a secure and organized manner, preventing them from falling or causing any potential hazards. Lastly, workers should be trained on the safe handling and storage procedures specific to steel sheets to minimize risks and ensure a safe working environment.

Q: What are the different forms of steel sheets (flat, perforated, expanded, etc.)?: Steel sheets are available in various forms to suit different applications and requirements. Some of the different forms of steel sheets include: 1. Flat Steel Sheets: These sheets have a smooth and flat surface and are commonly used in construction, fabrication, and manufacturing industries. They are versatile and can be easily cut, shaped, and formed into various products. 2. Perforated Steel Sheets: These sheets feature small holes or perforations that are evenly spaced. They are commonly used for filtration, ventilation, and decorative purposes. Perforated steel sheets provide excellent airflow and visibility while maintaining structural integrity. 3. Expanded Steel Sheets: These sheets are created by cutting and stretching a flat sheet of steel, resulting in a mesh-like pattern. Expanded steel sheets are lightweight, strong, and provide excellent ventilation and drainage. They are commonly used in walkways, gratings, fencing, and security applications. 4. Galvanized Steel Sheets: These sheets are coated with a layer of zinc, which provides excellent corrosion resistance. Galvanized steel sheets are commonly used in outdoor applications where exposure to moisture and harsh weather conditions is a concern. 5. Stainless Steel Sheets: These sheets are made from an alloy of steel and chromium, which provides excellent corrosion resistance and high tensile strength. Stainless steel sheets are commonly used in the food industry, transportation, medical equipment, and architectural applications. 6. Cold Rolled Steel Sheets: These sheets are produced by rolling steel at room temperature, resulting in a smooth and even surface. Cold-rolled steel sheets have improved surface finish, dimensional accuracy, and strength. They are commonly used in automotive, appliances, and furniture industries. 7. Hot Rolled Steel Sheets: These sheets are produced by heating steel above its recrystallization temperature and then rolling it. Hot-rolled steel sheets have a rougher surface and are more malleable compared to cold-rolled sheets. They are commonly used in structural components, construction, and general fabrication. These are just a few examples of the different forms of steel sheets available. Each type of steel sheet has its own unique properties and advantages, making them suitable for various applications and industries.

Q: What is the minimum order quantity for steel sheets?: The minimum order quantity for steel sheets can vary depending on the supplier, but it is typically around 1 ton or 1000 kilograms.

Q: How can steel sheets be protected from rusting?: Steel sheets can be protected from rusting through various methods. One common way is to apply a protective coating on the surface of the steel. This can be done by painting the steel sheets with a corrosion-resistant paint or by using a galvanizing process. Galvanizing involves coating the steel sheets with a layer of zinc, which acts as a barrier against moisture and prevents the steel from coming into direct contact with oxygen and water, thus reducing the risk of rust formation. Another method to protect steel sheets from rusting is through the use of corrosion inhibitors. These inhibitors can be added to the water or oil used to cool or lubricate the steel sheets, forming a protective film on the surface. This film acts as a barrier, preventing the steel from corroding. Regular maintenance and proper storage of steel sheets is also crucial in preventing rust formation. Keeping the steel sheets in a dry environment and avoiding exposure to moisture and harsh chemicals can help prolong their lifespan and prevent rusting. Additionally, using stainless steel sheets is another effective way to avoid rusting. Stainless steel contains a high amount of chromium, which forms a passive protective layer on the surface. This layer acts as a shield against corrosion and prevents rust formation. Overall, protecting steel sheets from rusting requires a combination of protective coatings, corrosion inhibitors, proper storage, and maintenance. By implementing these measures, the lifespan of steel sheets can be significantly extended, ensuring their durability and functionality.

Q: How do you transport steel sheets safely?: To transport steel sheets safely, it is important to use proper equipment such as cranes, forklifts, or specialized trucks that are designed to handle heavy loads. The steel sheets should be securely strapped or clamped to prevent any movement during transportation. Additionally, using protective materials like padding or blankets can help prevent scratches or damage to the steel sheets. Regular inspections of the equipment and ensuring that the weight limits are not exceeded are also crucial for safe transportation.

Q: How do steel sheets handle chemical exposure?: Steel sheets are known for their excellent resistance to chemical exposure. They are highly resistant to corrosion and can withstand exposure to a wide range of chemicals, including acids, alkalis, solvents, and other corrosive substances. This is mainly due to the protective oxide layer that forms on the surface of steel, known as patina, which acts as a barrier against chemical attack. Furthermore, steel sheets can be further protected by applying a variety of protective coatings such as galvanization, epoxy coatings, or powder coatings. These coatings provide an additional layer of protection and enhance the steel's resistance to chemical exposure. However, it is important to note that the resistance of steel sheets to chemical exposure can vary depending on the specific type and concentration of chemicals involved. Highly concentrated or aggressive chemicals may still cause some degree of corrosion or damage to the steel surface over time. Therefore, it is crucial to consider the specific chemical environment and select the appropriate grade of steel and protective coating to ensure maximum resistance to chemical exposure. Overall, steel sheets are a reliable and durable material choice for applications that require resistance to chemical exposure. With proper selection and maintenance, they can effectively handle various chemical environments and provide long-lasting performance.

Q: Can steel sheets be used for agricultural equipment?: Yes, steel sheets can be used for agricultural equipment. Steel is a versatile and durable material that is commonly used in the fabrication of various agricultural machinery and equipment. It is known for its strength, rigidity, and resistance to wear and tear, making it suitable for heavy-duty applications in farming and agriculture. Steel sheets can be used to manufacture a wide range of agricultural equipment, such as plows, cultivators, seeders, harvesters, trailers, and storage containers. These equipment require sturdy materials to withstand the demanding conditions of the agricultural environment, including exposure to soil, moisture, and heavy loads. Steel sheets can be formed and manipulated into different shapes and sizes, allowing for the customization of agricultural equipment to meet specific requirements. Additionally, steel can be easily welded, ensuring the structural integrity of the equipment and enabling repairs if necessary. Furthermore, steel sheets can be coated or galvanized to enhance their corrosion resistance, further increasing their longevity and durability in agricultural applications. This helps to protect the equipment from rust and deterioration caused by exposure to various weather conditions and chemicals commonly found in farming activities. Overall, steel sheets are a suitable material for agricultural equipment due to their strength, durability, and versatility. Their use in the manufacturing of agricultural machinery helps to ensure reliable and efficient performance, contributing to the productivity and success of farming operations.

Q: What is the difference between a hot rolled and cold rolled stainless steel sheet?: The main difference between a hot rolled and cold rolled stainless steel sheet lies in the production process. Hot rolled stainless steel sheets are made by heating a stainless steel slab above its recrystallization temperature and then rolling it through a series of rollers until the desired thickness is achieved. This process results in a rough, scaled surface with a characteristic oxide layer. On the other hand, cold rolled stainless steel sheets are produced by further processing the hot rolled sheets. The hot rolled sheets are first annealed, which involves heating them and then cooling them slowly to regulate the microstructure and remove any stresses. After annealing, the sheets are cold rolled, which means they are passed through a set of rollers at room temperature to achieve the desired thickness. This process results in a smoother, more refined surface with improved mechanical properties. In summary, hot rolled stainless steel sheets have a rough surface and are less precise in terms of thickness, while cold rolled stainless steel sheets have a smoother surface and are more precise in terms of thickness. Cold rolled sheets also tend to have better mechanical properties due to the additional processing steps involved.

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