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:Can steel sheets be recycled into other steel products?: Yes, steel sheets can be recycled into other steel products.

Q:Are steel sheets affected by UV radiation?: Yes, steel sheets can be affected by UV radiation. Over time, prolonged exposure to UV radiation can cause steel sheets to undergo a process called photo-oxidation, leading to degradation, discoloration, and potential loss of strength. To protect steel sheets from UV damage, they are often coated with specialized finishes or paints that contain UV stabilizers or inhibitors.

Q:How do steel sheets perform in thermal expansion?: Steel sheets have a relatively high coefficient of thermal expansion, meaning they expand significantly when exposed to heat and contract when cooled. This property must be considered in applications where precise dimensional stability is required, as thermal expansion can lead to warping or distortion of the steel sheets.

Q:Can steel sheets be bent without causing damage?: Yes, steel sheets can be bent without causing damage, as long as they are within the material's allowable bending radius and the bending process is performed with the correct tools and techniques.

Q:Can steel sheets be bent or formed?: Yes, steel sheets can be bent or formed using various techniques such as press brakes, rollers, or specialized machinery. The flexibility and malleability of steel allow it to be shaped into various forms, making it a versatile material for construction and manufacturing purposes.

Q:How are steel sheets protected during transportation by sea?: Steel sheets are protected during transportation by sea through various measures such as applying corrosion-resistant coatings, packing them in moisture-proof and weather-resistant materials, securing them with appropriate lashing and bracing, and using specialized shipping containers or vessels equipped with proper ventilation and humidity control systems. These measures ensure that the steel sheets remain intact, free from rust, and undamaged throughout the sea voyage.

Q:What is the typical thickness tolerance of a steel sheet?: The typical thickness tolerance of a steel sheet can vary depending on the specific industry and application requirements. However, in general, the thickness tolerance for a standard steel sheet can range from +/- 0.001 inches to +/- 0.010 inches. This means that the actual thickness of the sheet can vary within these tolerances. The tolerance level is determined by various factors such as the manufacturing process, the intended use of the sheet, and the desired precision. It is important to note that more precise tolerances may be required for certain industries or applications where dimensional accuracy is critical.

Q:What are the rental costs for steel sheet piles?: The utility model has the advantages of high strength, easy to break into the hard soil layer; construction in deep water, if necessary with the inclined support into a cage. The utility model has the advantages of good waterproof performance, forming a cofferdam with various shapes according to requirements and repeated use for many times; therefore, the utility model has wide application.

Q:What is the cost of steel sheets compared to other materials?: The cost of steel sheets compared to other materials can vary depending on factors such as the type of material, size, thickness, and market conditions. In general, steel sheets tend to be more expensive than materials like aluminum or plastic, but they are also known for their durability and strength. Steel sheets are commonly used in industries such as construction, automotive, and manufacturing due to their high load-bearing capacity and resistance to corrosion. While steel sheets may have a higher upfront cost, they often provide a longer lifespan and require less maintenance compared to other materials. Additionally, the cost of steel sheets can fluctuate based on global supply and demand dynamics, as well as any tariffs or trade restrictions that may impact the steel market.

Q:How are steel sheets manufactured?: Steel sheets are manufactured through a process called hot rolling. This involves heating the steel billets, passing them through multiple rollers to reduce the thickness, and then cooling them to create flat sheets.

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