Hot-dip Galvanized Steel Sheet/Coil in High Quality

Hot-dip Galvanized Steel Sheet/Coil in High Quality System 1

Hot-dip Galvanized Steel Sheet/Coil in High Quality

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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:

Hot-dip Galvanized Steel Sheet/Coil in High Quality

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:

Hot-dip Galvanized Steel Sheet/Coil in High Quality

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:How are steel sheets protected during welding?: Steel sheets are protected during welding through a process called shielding. Shielding is essential to prevent the steel sheets from being exposed to oxygen and other atmospheric contaminants that can cause oxidation and impurities in the weld. There are various methods used to shield the steel sheets during welding. One common method is to use a shielding gas, such as argon or carbon dioxide, which is directed at the welding area to create a protective atmosphere. This gas displaces the surrounding oxygen, preventing it from reacting with the heated metal and causing oxidation. In addition to shielding gas, another method commonly employed is the use of flux. Flux is a substance that is applied to the joint area of the steel sheets prior to welding. It acts as a protective barrier, creating a molten slag that covers the weld and shields it from the atmosphere. Flux can be in the form of a powder, paste, or even a wire that is fed continuously during welding. Furthermore, some welding techniques, such as submerged arc welding, utilize a combination of both shielding gas and flux to provide optimal protection to the steel sheets. This technique involves the use of a granular flux that is fed continuously along with the welding wire. The flux melts and forms a protective layer over the weld, while the shielding gas prevents atmospheric contamination. Overall, the protection of steel sheets during welding is vital to ensure the quality and integrity of the weld. Shielding methods, such as shielding gas and flux, create a protective environment that prevents oxidation, impurities, and other defects from forming in the weld, resulting in a strong and durable joint between the steel sheets.

Q:Can the steel sheets be used for skylights or roof windows?: Yes, steel sheets can be used for skylights or roof windows. Steel is a strong and durable material that can withstand various weather conditions, making it suitable for these applications. Additionally, steel sheets can be fabricated and designed to meet the specific requirements of skylights or roof windows. They can be installed to provide natural light and ventilation while maintaining the structural integrity of the building. However, it is important to ensure proper insulation and glazing to prevent heat loss or gain and to optimize energy efficiency.

Q:Can the steel sheets be painted or coated?: Yes, steel sheets can be painted or coated. Painting or coating steel sheets is a common practice in various industries to enhance the appearance, protect against corrosion, and improve durability. The steel surface should be properly cleaned and prepared before applying any paint or coating to ensure proper adhesion. Different types of paints or coatings can be used depending on the desired finish, environmental conditions, and the specific application. It is important to select the appropriate type of paint or coating that is compatible with the steel substrate and can withstand the intended use and exposure to chemicals, moisture, UV radiation, or other factors that may affect the performance and longevity of the coating.

Q:Are steel sheets suitable for marine applications?: Yes, steel sheets are suitable for marine applications due to their high strength, durability, and corrosion resistance properties. They are commonly used in shipbuilding, offshore structures, and other marine equipment due to their ability to withstand harsh marine environments and provide long-lasting performance.

Q:Can steel sheets be used in food-grade applications?: Yes, steel sheets can be used in food-grade applications. Stainless steel sheets, in particular, are commonly used in food processing and storage as they are resistant to corrosion, easy to clean, and do not react with food.

Q:How do steel sheets perform in high-humidity environments?: Steel sheets generally perform well in high-humidity environments due to their inherent properties. Steel is known for its strength, durability, and resistance to corrosion, making it a suitable material for withstanding moisture-rich conditions. High-humidity environments can lead to the formation of condensation on surfaces, which can accelerate the corrosion process in certain materials. However, steel sheets are typically coated with protective layers, such as zinc or other corrosion-resistant coatings, which act as a barrier against moisture and prevent rusting. Furthermore, steel sheets are often galvanized or treated with specialized coatings, such as stainless steel or weathering steel, to enhance their resistance to humidity and prevent degradation over time. These coatings provide an additional layer of protection, ensuring that steel sheets maintain their structural integrity and performance even in high-humidity environments. It is important to note that despite the inherent resistance of steel to moisture, proper maintenance and care are still crucial in ensuring its long-term performance. Regular inspections, cleaning, and application of appropriate sealants or coatings, if necessary, can help further protect steel sheets in high-humidity environments. In summary, steel sheets are generally well-suited for high-humidity environments due to their strength, durability, and resistance to corrosion. With proper coatings and maintenance, steel sheets can maintain their performance and structural integrity even in moisture-rich conditions.

Q:Can steel sheets be used for manufacturing sporting equipment?: Yes, steel sheets can be used for manufacturing certain types of sporting equipment, such as hockey sticks, cricket bats, or tennis rackets. However, steel sheets are not commonly used for manufacturing sporting equipment as they are heavier and less flexible compared to other materials like carbon fiber or aluminum.

Q:How do steel sheets compare to fiberglass sheets?: Steel sheets and fiberglass sheets have various differences in terms of strength, weight, and durability. Steel sheets are generally stronger and more rigid than fiberglass sheets, making them suitable for applications where high strength is required. They also have better resistance to impact and fire, making them safer in certain environments. However, steel sheets are heavier and more prone to corrosion compared to fiberglass sheets. Fiberglass sheets are lighter, have better resistance to chemicals and weathering, and are non-conductive, making them ideal for electrical applications. Additionally, fiberglass sheets are easier to handle and install due to their flexibility. Overall, the choice between steel and fiberglass sheets depends on the specific application requirements and priorities.

Q:How do steel sheets perform in terms of thermal insulation?: Steel sheets do not perform well in terms of thermal insulation as they conduct heat efficiently due to their high thermal conductivity.

Q:What is the difference between a smooth and expanded metal steel sheet?: A smooth metal steel sheet has a flat surface with no perforations or raised patterns, while an expanded metal steel sheet has a textured surface with small diamond-shaped openings that are created by stretching the metal.

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