Chinese Best Hot-dip Zinc Coating Steel Building Roof Walls JIS G3302

Chinese Best Hot-dip Zinc Coating Steel Building Roof Walls JIS G3302 System 1

Chinese Best Hot-dip Zinc Coating Steel Building Roof Walls JIS G3302

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 50 m

Supply Capability:: 10000 m/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

Chinese Best Hot-dip Zinc Coating Steel Building Roof Walls JIS G3302

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

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:

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；We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

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: What we have to keep in mind before buying a steel building?: Before okorder /... Hope this will prove helpful to you.

Q: What are the main factors that affect the corrosion resistance of steel coils?: The main factors that affect the corrosion resistance of steel coils include the composition of the steel, the presence of impurities, the type and thickness of the protective coating, exposure to corrosive environments (such as moisture, chemicals, and salt), and the presence of physical damage or scratches on the surface of the coils.

Q: How are steel coils stored?: Steel coils are typically stored in warehouses or outdoor storage yards. They are usually stacked on top of each other in a crisscross pattern to maximize space utilization and prevent them from rolling. Additionally, steel coils may be secured with steel banding or placed on pallets to ensure stability during storage and transportation.

Q: What are the different methods of protecting steel coils from corrosion?: There are several methods for protecting steel coils from corrosion. One common method is applying a protective coating, such as zinc or epoxy, which acts as a barrier between the steel surface and corrosive elements. Another approach is using corrosion inhibitors, which are chemicals that can be added to the storage environment or applied directly to the steel to reduce the rate of corrosion. Additionally, proper storage conditions, such as controlling humidity levels and preventing exposure to moisture and chemicals, can also help protect steel coils from corrosion.

Q: where can i get a thick sheet of steel ? and is steel bullet proff for example if you shoot a bullet on steel will that bullet bounce right off the steel ?: Try the business-to-business yellow pages in your area. A local hardware store can also tell you who to contact. Or search steel plate or sheet metal on the internet to find a local supplier. No, sheet steel is not bullet proof, unless you get heavy plate. Depending on how thick it is, the plate will deform if hit by a high velocity bullet, but usually not enough to matter. Bullets have velocities from about 500 ft/sec up to roughly 3000 ft/sec, depending on the type of weapon used. I wouldn't try to use anything thinner than 3/4 inch. You'll have to experiment and see what it will actually stop. I can't guarantee it'll stop a high-velocity rifle slug. Try it and see.

Q: How are steel coils processed before they are used in manufacturing?: Steel coils undergo several processing steps before they are used in manufacturing. The first step is called pickling, where the coils are immersed in an acid bath to remove any surface impurities, such as rust or scale. This helps to improve the surface quality of the steel. After pickling, the coils go through a process called cold rolling. This involves passing the coils through a series of rollers to reduce their thickness and improve their dimensional accuracy. Cold rolling also enhances the mechanical properties of the steel, making it stronger and more durable. Next, the coils are annealed, which involves heating them to a specific temperature and then slowly cooling them. Annealing helps to relieve internal stresses in the steel and improves its formability and ductility. Following the annealing process, the coils may undergo additional surface treatments, such as galvanizing or coating. Galvanizing involves applying a layer of zinc to protect the steel from corrosion, while coating can involve applying various types of paint or polymer to enhance the steel's appearance or provide specific functionalities. Once the coils have been processed and treated, they are typically cut into smaller sheets or strips, depending on the manufacturing requirements. These sheets or strips can then be used in various manufacturing processes, such as stamping, forming, welding, or fabrication, to create a wide range of products, including automotive components, appliances, construction materials, and many others. In conclusion, steel coils undergo a series of processing steps, including pickling, cold rolling, annealing, and surface treatments, before they are ready to be used in manufacturing. These processes improve the quality, strength, and formability of the steel, allowing it to be transformed into a variety of products.

Q: How are steel coils used in the manufacturing of defense equipment?: Steel coils are used in the manufacturing of defense equipment for various applications such as armor plates, vehicle components, and weapon systems. The coils are typically processed and shaped into specific forms to provide strength, durability, and protection required for military purposes.

Q: What are the different types of steel coil edge conditions?: There are several different types of steel coil edge conditions, each designed to meet specific requirements and applications. The most common types include: 1. Mill Edge: Mill edge is the default edge condition for hot-rolled steel coils, where the edges are left as they come out of the rolling process. This edge condition is characterized by a slightly rough and uneven surface. 2. Slit Edge: Slit edge is created by cutting the coil along its width to achieve narrower strips. This edge condition is typically smoother and more uniform than mill edge, making it suitable for applications where a clean and precise edge is required. 3. Trimmed Edge: Trimmed edge is achieved by removing irregularities and imperfections from the edges of the coil. This process results in a straight and smooth edge, making it suitable for applications where a precise and uniform surface is necessary. 4. Deburred Edge: Deburred edge is created by removing burrs or sharp edges from the coil. This edge condition is commonly used in applications where safety is a concern, as it eliminates any potential hazards associated with sharp edges. 5. Round Edge: Round edge is achieved by rounding the corners of the coil. This edge condition is often employed in applications where the material needs to be easily handled or when there is a need to prevent damage to other materials or surfaces. 6. Slit and Deburred Edge: Slit and deburred edge combines the benefits of both slit edge and deburred edge conditions. It involves cutting the coil to achieve narrower strips and then removing any burrs or sharp edges, resulting in a clean and safe edge. Each of these edge conditions serves a specific purpose and is chosen based on the requirements of the application. By understanding the different types of steel coil edge conditions, one can select the most suitable option to ensure optimal performance and safety.

Q: What are the common applications of cold-rolled stainless steel coils?: Cold-rolled stainless steel coils have various common applications in industries such as automotive, construction, and manufacturing. They are commonly used in the production of appliances, kitchen equipment, roofing, and cladding materials due to their corrosion resistance, durability, and aesthetic appeal. Additionally, cold-rolled stainless steel coils are utilized in the fabrication of pipes, tubes, and structural components, as well as in the production of surgical instruments and medical equipment, owing to their sanitary and hygienic properties.

Q: What is the role of steel coils in the automotive industry?: Steel coils play a crucial role in the automotive industry as they are used to manufacture various components and parts of vehicles, including body panels, frames, chassis, and suspension systems. The high strength and durability of steel make it an ideal material for ensuring structural integrity and safety in automobiles. Additionally, steel coils offer cost-effectiveness, versatility, and the ability to withstand extreme conditions, making them an essential component in the production of cars and trucks.

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