Hot-dip Zinc Coating Steel Building Roof Walls ASTM 653

Hot-dip Zinc Coating Steel Building Roof Walls ASTM 653 System 1

Hot-dip Zinc Coating Steel Building Roof Walls ASTM 653

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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 ASTM 653
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 Zinc Coating Steel Building Roof Walls ASTM 653

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 are the common methods of preserving steel coils?: Some common methods of preserving steel coils include applying protective coatings, such as oil or paint, to prevent corrosion and rust formation. Another method is using VCI (Vapor Corrosion Inhibitor) paper or film, which releases chemicals that prevent oxidation. Additionally, steel coils can be stored in climate-controlled environments or wrapped in moisture-resistant materials to minimize exposure to moisture and humidity, which can accelerate corrosion.

Q: How are steel coils processed for cutting to length or blanking?: Steel coils are processed for cutting to length or blanking through a series of steps. First, the coils are uncoiled and straightened to remove any bends or twists. Then, they are fed through a machine that measures and marks the desired length or shape. Next, a cutting tool or die is used to precisely cut the steel into the required dimensions. Finally, the cut pieces are inspected for quality and packaged for shipment.

Q: How do steel coils contribute to the automotive industry?: Steel coils play a significant role in the automotive industry by contributing to the manufacturing of various components and structures in vehicles. These coils are made from high-quality steel and undergo a series of processes, including hot rolling, cold rolling, and annealing, to achieve the desired properties. One of the primary uses of steel coils in the automotive industry is in the production of body panels and frames. The high strength and durability of steel make it an ideal material for these applications, providing structural integrity and protection to the vehicle. Steel coils are transformed into sheets through a stamping process, allowing manufacturers to create complex shapes and designs for different vehicle models. Moreover, steel coils are also used in the production of suspension systems, including springs and shock absorbers. The elasticity and resilience of steel allow these components to withstand the constant impact and weight of the vehicle, ensuring optimal performance and comfort for the driver and passengers. Additionally, steel coils are utilized in the manufacturing of engine components, such as crankshafts, camshafts, and cylinder heads. These components require the strength and thermal resistance that steel provides, ensuring the efficient operation and longevity of the engine. Furthermore, steel coils are crucial in the production of exhaust systems, which play a vital role in reducing emissions and noise levels. Steel's resistance to heat and corrosion make it an ideal material for exhaust pipes, mufflers, and catalytic converters, ensuring their durability and functionality. Overall, steel coils are indispensable in the automotive industry as they contribute to the production of various components and structures that are essential for the performance, safety, and longevity of vehicles. The high strength, durability, and versatility of steel make it a preferred material choice, enabling manufacturers to create reliable and efficient automobiles.

Q: What are the common uses of pre-painted steel coils?: Pre-painted steel coils are commonly used in various industries such as construction, automotive, and appliances. They are utilized for manufacturing roofing and wall panels, garage doors, ductwork, and other building components. In the automotive sector, pre-painted steel coils are employed to produce body panels, trims, and other exterior parts. Additionally, they find applications in the manufacturing of household appliances like refrigerators, washing machines, and ovens.

Q: How long can steel coils be stored?: Steel coils can be stored for an extended period of time, typically ranging from a few months to several years, depending on various factors such as the type of steel, storage conditions, and protective measures taken.

Q: How are steel coils tested for flatness and straightness?: Steel coils are tested for flatness and straightness using various methods such as visual inspection, measurement tools like straightedges or laser devices, and specialized equipment like leveling machines. These tests ensure that the steel coils meet the required standards and are free from any deformities or deviations in their flatness and straightness.

Q: Can steel coils be bent or formed into different shapes?: Yes, steel coils can be bent or formed into different shapes through various processes such as rolling, bending, or stamping.

Q: What are the dimensions of steel coils used in the oil and gas industry?: The dimensions of steel coils used in the oil and gas industry can vary depending on the specific application and requirements. However, there are some common dimensions that are frequently used. Steel coils used in the oil and gas industry typically have a width ranging from 600mm to 2000mm. The outer diameter of the coil can range from 800mm to 2200mm, while the inner diameter can range from 508mm to 610mm. The weight of the coil can vary as well, ranging from a few tons to several tens of tons. These dimensions are designed to meet the needs of various processes involved in the oil and gas industry, such as pipe manufacturing, storage tank fabrication, and offshore platform construction. It is important to note that these dimensions are not fixed and can be customized based on the specific requirements of each project.

Q: How are steel coils used in the manufacturing of intake manifolds?: Steel coils are used in the manufacturing of intake manifolds as they are typically shaped and formed into specific geometries to create the necessary channels and passages for the intake air to flow through. These coils are cut, bent, and welded to form the desired shape of the intake manifold, which plays a crucial role in directing and distributing air to the engine cylinders, ultimately optimizing combustion and improving engine performance.

Q: What are the common defects found in uncoiled steel coils?: Some common defects found in uncoiled steel coils include surface defects such as scratches, dents, and rusting, as well as dimensional defects like coil width variation, edge waviness, and coil set. Other defects may include coil breaks, oil spots, and uneven winding tension.

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