Hot-dip Zinc Coating Steel Building Roof Walls--High Strength

Hot-dip Zinc Coating Steel Building Roof Walls--High Strength System 1

Hot-dip Zinc Coating Steel Building Roof Walls--High Strength System 2

Hot-dip Zinc Coating Steel Building Roof Walls--High Strength

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 50 m.t.

Supply Capability:: 10000 m.t./month

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Hot-dip Zinc Coating Steel Building Roof Walls--High Strength

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.

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

• Excellent process capability

• Smooth and flat surface

• Workability, durability

• Excellent anticorrosive property

3.Hot-Dip Galvanized Steel Sheet Images

Hot-dip Zinc Coating Steel Building Roof Walls--High Strength

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: 0.18mm~5mm

Width: max 2000mm

Coil weight:3-12 MT

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:

Processability	Yield strength	Tensile strength	Elongation %	180°cold-bending
Common PV	-	270-500	-	d=0,intact,no zinc removal
Mechanical interlocking JY	-	270-500	-	d=0,intact,no zinc removal
Structure JG	>=240	>=370	>=18	d=0,intact,no zinc removal
Deep drawn SC	-	270-380	>=30	d=0,intact,no zinc removal
EDDQ SC	-	270-380	>=30	d=0,intact,no zinc removal

5.FAQ of Hot-Dip Galvanized Steel Sheet

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

1.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.

2. 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 steel coils be rewound?: Yes, steel coils can be rewound. Rewinding steel coils involves uncoiling the existing steel coil and then recoiling it to the desired specifications. This process is commonly done to adjust coil size, improve coil shape, or remove defects in the original coil. Rewinding steel coils allows for better quality control and ensures that the coils meet the specific requirements of the customer.

Q:How are steel coils used in the production of metal panels?: Steel coils are an essential component in the production of metal panels. These coils, which are typically made from high-quality steel, serve as the raw material for manufacturing various types of metal panels. To begin the production process, the steel coils are first unrolled and flattened using specialized machinery. This allows for a consistent and uniform thickness throughout the sheet. The flattened steel is then cut into the desired length and width, depending on the specific requirements of the metal panel being produced. Once the steel has been cut, it undergoes further processing, such as cleaning and coating. This is done to remove any impurities and protect the steel from corrosion or damage. The coating also enhances the appearance of the metal panel and provides additional durability and longevity. After the cleaning and coating process, the steel sheets are formed into the desired shape using various techniques, such as roll forming or stamping. This allows for the creation of different types of metal panels, including roofing panels, wall panels, and decorative panels, among others. The steel coils used in the production of metal panels are chosen for their strength, durability, and versatility. Steel is known for its excellent structural properties, making it an ideal material for constructing sturdy and long-lasting metal panels. Additionally, steel is highly resistant to environmental factors, such as extreme weather conditions, which further enhances the durability of the metal panels. In conclusion, steel coils play a crucial role in the production of metal panels. They serve as the raw material for manufacturing these panels and undergo various processes to ensure their quality and durability. The use of steel coils allows for the production of a wide range of metal panels that can be used in various industries and applications.

Q:How do steel coils contribute to the manufacturing of agricultural machinery?: Steel coils are used in the manufacturing of agricultural machinery as they provide the necessary strength and durability required for heavy-duty equipment. These coils are often used to fabricate components such as frames, chassis, and structural supports, ensuring stability and reliability of the machinery. Additionally, steel coils can be easily shaped and welded, allowing for customization and versatility in design, ultimately contributing to the overall efficiency and functionality of agricultural machinery.

Q:How are steel coils used in the production of storage racks and shelving?: Steel coils are a crucial component in the manufacturing process of storage racks and shelving. These coils are typically made from high-quality steel that is rolled into a long, continuous strip. The steel coils are then processed and transformed into various forms, such as sheets or strips, which are used to create the frames, shelves, and other structural components of storage racks and shelving systems. Firstly, the steel coils are unwound and flattened through a series of machines, ensuring uniform thickness and width. This process enables manufacturers to obtain sheets or strips of steel with consistent dimensions, which are essential for the production of storage racks and shelving that need to meet specific design specifications and structural requirements. Once the steel coils are flattened and cut into the desired sizes, they are further processed to add necessary features and characteristics. This can involve bending, punching, or welding the steel to create the desired shapes, such as uprights, beams, or brackets for the storage racks and shelving. These components are then assembled together to form the framework of the storage system. The durability and strength of steel make it an ideal material for storage racks and shelving. Steel coils provide the necessary structural integrity and load-bearing capacity required to support heavy items and withstand the rigors of everyday use. Additionally, steel is resistant to corrosion, which ensures the longevity and reliability of the storage racks and shelving systems. Furthermore, steel coils can be coated or galvanized to enhance their resistance to rust and corrosion. This protective layer helps to maintain the aesthetic appeal and structural integrity of the storage racks and shelving, especially in environments with high humidity or exposure to moisture. In summary, steel coils play a vital role in the production of storage racks and shelving. They provide the raw material from which various components are fabricated, ensuring the strength, durability, and load-bearing capacity necessary for these storage systems. The versatility and adaptability of steel allow manufacturers to create storage racks and shelving that meet specific design requirements and offer long-lasting storage solutions for a wide range of applications.

Q:What are the different types of steel coil edge trimming methods?: There are several different methods used to trim the edges of steel coils, including slitting, shearing, and laser cutting. Slitting involves using circular blades to cut the edges of the coil, creating narrower strips. Shearing is a process that uses a straight blade to cut the coil edges. Laser cutting is a more advanced method that uses a laser beam to precisely trim the edges of the steel coil. These methods are used depending on the specific requirements of the steel coil and the desired end product.

Q:What are the common surface finishes for steel coils?: Steel coils can have various surface finishes, depending on specific requirements and applications. Some commonly used finishes include: 1. Hot-dip galvanization: This involves immersing the steel coil in molten zinc to create a protective layer. It offers excellent corrosion resistance and is often used outdoors. 2. Electro-galvanization: In this process, a thin layer of zinc is electroplated onto the steel coil. It provides good corrosion resistance and a smooth finish, making it suitable for automotive parts and appliances. 3. Galvannealing: Steel coils are coated with a zinc-iron alloy through a high-temperature annealing process. This finish improves paint adhesion and offers excellent corrosion resistance, making it ideal for automotive parts and construction materials. 4. Tinplating: A thin layer of tin is applied to the steel coil, providing excellent corrosion resistance and a shiny appearance. Tinplate is commonly used for packaging materials and cans. 5. Pre-painting: Steel coils are coated with a layer of paint, offering corrosion resistance and an attractive finish. It is often used for building materials like roofing and siding. 6. Cold-rolling: Steel coils are rolled at room temperature, resulting in a smooth and clean surface. Cold-rolled coils are used when a high-quality surface finish is required, such as in automotive parts and appliances. These are just a few examples of the surface finishes available for steel coils. The choice of finish depends on desired properties, such as corrosion resistance, appearance, and specific application requirements.

Q:What are the common defects found in steel coils?: Some common defects found in steel coils include surface defects like scratches, indentations, and pits, as well as internal defects such as cracks, lamination, and segregation. Other defects can include edge wave, coil breaks, and coil set.

Q:What is the average tensile strength of a steel coil?: The average tensile strength of a steel coil can vary depending on the specific type and grade of steel being used. However, on average, steel coils tend to have a tensile strength ranging from 300 to 2,000 megapascals (MPa).

Q:How are steel coils used in the production of steel framing systems?: Steel coils are used in the production of steel framing systems as they are the primary raw material. These coils are unwound and fed into a roll forming machine, where they are shaped into the desired profiles and lengths. The steel framing systems, including studs, tracks, and joists, are then fabricated from these formed coils, providing structural support and stability to buildings and structures.

Q:does regular steel rust? or is it all the same.: Rusting is what steel, or any iron alloy, does best. Stainless steels rely on a small amount of either nickel or chromium, or occasionally some other element, to protect it. What these do is they actually oxidize faster than the iron does but this oxidation forms a microscopically thin, effectively invisible, but very tough coating of oxide that then protects the rest of the metal.

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