Hot-dip Zinc Coating Steel Building Roof Sheets Prime Quality

Hot-dip Zinc Coating Steel Building Roof Sheets Prime Quality System 1

Hot-dip Zinc Coating Steel Building Roof Sheets Prime Quality

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 50 m.t.

Supply Capability:: 10000 m.t./month

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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 Sheets Prime 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:

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 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 plain carbon steel sheet and stainless steel sheet?: Plain carbon steel sheet and stainless steel sheet are both types of steel sheets, but they have several distinct differences. The main difference between plain carbon steel sheet and stainless steel sheet lies in their composition and properties. Plain carbon steel sheet is primarily made up of iron and carbon, with small amounts of other elements such as manganese and silicon. It is known for its strength and durability, making it suitable for a wide range of applications. However, plain carbon steel is prone to rust and corrosion when exposed to moisture or certain chemicals. On the other hand, stainless steel sheet is made up of iron, carbon, and a minimum of 10.5% chromium. This addition of chromium forms a protective layer on the surface of the steel, known as a passive film, which prevents corrosion and rusting. Stainless steel is highly resistant to stains, heat, and corrosion, making it ideal for applications where hygiene and durability are crucial, such as in the food and medical industries. Another significant difference between the two types of steel sheets is their appearance. Plain carbon steel sheet has a dull grey finish, while stainless steel sheet has a shiny, reflective surface. This aesthetic difference is often a consideration in industries where the visual appeal of the material is important, such as architectural or interior design applications. Furthermore, stainless steel sheet has a higher price point compared to plain carbon steel sheet. This is due to the additional alloying elements, such as chromium and nickel, which are added to enhance its corrosion resistance and other properties. The higher cost of stainless steel is often justified by its superior performance and longevity in corrosive environments. In summary, the key differences between plain carbon steel sheet and stainless steel sheet are their composition, properties, appearance, and price. Plain carbon steel is strong but prone to rust, while stainless steel is corrosion-resistant and has a shiny finish. The choice between the two depends on the specific requirements of the application, including the need for corrosion resistance, aesthetics, and budget.

Q:Are steel sheets suitable for chemical storage tanks?: Yes, steel sheets are generally suitable for chemical storage tanks. Steel is known for its strength, durability, and corrosion resistance, making it a suitable material for storing a wide range of chemicals. However, the specific type of steel and its coating should be carefully selected to ensure compatibility with the chemicals being stored to prevent corrosion or contamination. Regular inspections and maintenance are also necessary to ensure the longevity and safety of steel storage tanks.

Q:How do steel sheets perform in terms of noise reduction?: Steel sheets are highly effective in reducing noise due to their dense and rigid nature. They effectively block and absorb sound waves, resulting in significant noise reduction.

Q:What kind of material does ordinary steel plate refer to in steel market?: This is not difficult to understand. The chemical composition of ordinary steel is very simple. It is only made of carbon and iron. But the alloy steel plate is according to the different design request and the construction request to deploy its chemical composition, the different design request will affect the alloy steel plate in the choice alloy element choice.

Q:How do steel sheets perform in seismic zones?: Due to their inherent strength and ductility, steel sheets exhibit excellent performance in seismic zones. The flexibility and high tensile strength of steel enable it to effectively absorb and dissipate the energy generated during seismic events, such as earthquakes. This capability helps in minimizing damage and preserving the structural integrity of buildings and other structures. In seismic design and construction, steel sheets offer several advantages, making them a commonly used material. Firstly, steel is lightweight, reducing the overall weight of the structure and enabling more efficient seismic design. Additionally, steel sheets can be easily fabricated and assembled, resulting in a faster and more cost-effective construction process. In seismic zones, steel sheets are frequently utilized as shear walls or bracing systems. These components are strategically positioned throughout the building to provide lateral stability and withstand the forces generated by earthquakes. Steel sheets can also serve as cladding material, adding an extra layer of protection against seismic forces. Furthermore, steel exhibits excellent fire resistance properties, further enhancing its performance in seismic zones. In the event of a fire, steel sheets retain their structural integrity for a longer duration compared to other materials, ensuring the safety of occupants and reducing the risk of collapse. In conclusion, steel sheets are a reliable and effective choice for construction in seismic zones. Their strength, ductility, lightweight nature, ease of fabrication, and fire resistance make them an ideal material for ensuring the safety and stability of structures during seismic events.

Q:Can the steel sheets be bent without cracking?: Yes, steel sheets can be bent without cracking if the bending process is done within the material's acceptable limit of ductility and the correct bending techniques are used.

Q:What are the different edge finishes available for steel sheets?: Depending on the desired aesthetic and functional requirements, steel sheets offer various edge finishes. The most common options are as follows: 1. Mill Edge: Directly from the steel mill, this is the standard and unfinished edge. It is typically used in non-critical applications like industrial or structural use. 2. Trimmed Edge: Irregularities and burrs are removed by trimming or shearing the rough mill edge. This provides a cleaner and more uniform edge, making it suitable for applications where appearance matters. 3. Deburred Edge: Through a deburring process, sharp or jagged edges are eliminated, resulting in a smooth and rounded edge. This enhances safety, making it common in applications involving frequent handling or contact. 4. Beveled Edge: The edge is cut or ground at an angle, creating a sloping or chamfered edge. This improves both aesthetics and functionality, especially in architectural applications and jointing or welding. 5. Rolled Edge: By rolling or bending the steel sheet's edge, a rounded or folded edge is formed. Rolled edges provide a smooth and finished appearance, making them ideal for visible applications like decorative or furniture manufacturing. 6. Hemmed Edge: Folding the edge of the steel sheet over itself creates a double-layered and durable edge resistant to fraying or unraveling. Hemmed edges are commonly used in exposed areas that require added durability, such as roofing or sign manufacturing. These examples demonstrate the range of edge finishes available for steel sheets. Each finish offers unique characteristics and benefits, allowing for customization based on specific requirements and preferences.

Q:Can steel sheets be used for sound insulation?: Yes, steel sheets can be used for sound insulation. Steel has good density and mass, which helps in absorbing and blocking sound waves. Additionally, steel sheets can be combined with other soundproofing materials, such as insulation foam, to enhance their soundproofing capabilities.

Q:What is the weight of each steel sheet?: The dimensions and thickness of each steel sheet determine its weight. Steel sheets are available in different sizes and thicknesses, resulting in varying weights. To calculate the weight, it is necessary to have the length, width, and thickness measurements of the steel sheet. Once these measurements are obtained, a weight calculator or a steel weight chart can be utilized to determine the weight per square meter or per square foot of the steel sheet. By multiplying this weight by the surface area of the sheet, the total weight of each steel sheet can be obtained.

Q:What is the process of embossing on steel sheets?: The process of embossing on steel sheets involves creating raised or recessed designs on the surface of the steel by applying pressure with specialized tools or dies. This is typically done through a combination of heat and pressure, which allows the metal to be deformed and take on the desired pattern or texture.

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