Corrgated Sheet/ Hot-Dip Galvanized Steel Sheet

Corrgated Sheet/ Hot-Dip Galvanized Steel Sheet System 1

Corrgated Sheet/ Hot-Dip Galvanized Steel Sheet

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 15000 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

Corrgated Sheet/ Hot-Dip Galvanized Steel Sheet

4. Hot-Dip Galvanized Steel Sheet Specification

1) Capacity: about 15,000 tons per month for sheet product.
2) Standard: JIS G3302 1998, ASTM A653M/A924M 2004, all according to the customer's request
3) Thickness: 0.13mm-0.5mm
4) Width: 400mm-1000mm
5) Length: We can adjust the length according to your request
6) Zinc Coating Weight: 60g/m2-275g/m2
7) Raw Materials: Galvanized steel sheet and Pre-painted galvanized steel sheet
8) Spangle: Regular spangle, minimized spangle and zero spangle
9) Hardness: Full hard, normal

10) Color: RAL, or other series

11) Surface Protection: PE, PVC, PVDF, SMP, HDP, etc.

12) Min trial order 10 tons each thickness, 1x20' per delivery

Thickness	Width	Length	Zinc Coating Weight	Color Series
0.13mm-0.5mm	400mm-1000mm	As your request	60g/m2-275g/m2	RAL,or other series

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？

We’re state-owned company, controlled by central government. We also TOP 500. For galvanized steel sheet products, we have regular delivery to all over world every month.

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?

Production period is 30 days. And we’d prefer you can give us more time to book vessel.

Q:How are steel coils used in the manufacturing of doors and windows?: Steel coils are used in the manufacturing of doors and windows as they provide the necessary strength and durability required for these products. The coils are first processed and shaped into the desired form, which is then used as the base material for constructing the frames and panels of doors and windows. The steel coils also undergo various treatments, such as galvanization or coating, to enhance their resistance to corrosion and weathering. Overall, steel coils play a crucial role in ensuring the structural integrity and longevity of doors and windows.

Q:What are the different types of steel coil surface defects?: There are several different types of steel coil surface defects that can occur during the manufacturing or handling process. Some of the common types include: 1. Rust: Rust is a common surface defect that occurs when the steel coil is exposed to moisture or oxygen. It appears as a reddish-brown discoloration on the surface of the coil. 2. Scratches: Scratches are superficial marks that can occur during handling or transportation of the steel coil. They can vary in depth and severity, ranging from light surface scratches to deep gouges. 3. Stains: Stains are another type of surface defect that can occur due to exposure to chemicals or other substances. They can appear as discolored patches on the surface of the coil, and may be difficult to remove. 4. Roll marks: Roll marks are impressions or indentations that can occur during the rolling process. They are caused by uneven pressure or misalignment of the rolls, and can appear as lines or patterns on the surface of the coil. 5. Edge wave: Edge wave is a defect that occurs when the edges of the coil are not perfectly flat. It can cause the edges to appear wavy or uneven, and may affect the overall appearance and performance of the coil. 6. Oil spots: Oil spots are surface defects that occur when oil or lubricants used in the manufacturing process are not properly removed. They can appear as dark spots or patches on the surface of the coil, and may affect the adhesion of coatings or paints. 7. Pitting: Pitting is a defect that appears as small, shallow depressions or pits on the surface of the coil. It can be caused by factors such as corrosion, uneven cooling, or impurities in the steel. 8. Holes: Holes are more severe surface defects that can occur due to a variety of reasons, such as corrosion, mechanical damage, or manufacturing errors. They can range in size and can significantly affect the structural integrity of the coil. It is important to address these surface defects promptly to ensure the quality and performance of the steel coil. Regular inspections, proper handling, and appropriate surface treatments can help minimize the occurrence of these defects.

Q:What are the dimensions of steel coils used in the HVAC industry?: Different applications and system requirements in the HVAC industry can lead to varying dimensions for steel coils. However, there are commonly used standard dimensions. A typical width for steel coils in HVAC systems is approximately 24 inches or 2 feet. This width promotes efficient airflow and heat transfer within the system. The thickness of the steel coils can also vary, but it usually falls within the range of 0.020 inches to 0.060 inches. Thicker coils may be utilized for heavy-duty applications or systems demanding higher performance, while thinner coils are suitable for lighter-duty or cost-effective systems. The length of the coils can also vary based on the specific HVAC system requirements. Although coils are often manufactured in standard lengths like 50 or 100 feet, customization is possible to meet unique needs. It is essential to recognize that these dimensions serve as general guidelines and may differ depending on the manufacturer, supplier, and specific HVAC system requirements. Seeking advice from industry professionals or manufacturers can offer more precise information on the dimensions of steel coils for a particular HVAC system.

Q:How do steel coils contribute to the strength and durability of structures?: Steel coils, being made of high-strength steel, contribute to the strength and durability of structures in multiple ways. Firstly, the tightly wound coils provide structural stability and support, enabling the construction of large-scale buildings and infrastructure. Additionally, the inherent strength of steel allows it to withstand heavy loads, impacts, and extreme weather conditions, ensuring long-lasting durability. Furthermore, steel coils offer excellent resistance against corrosion and fire, further enhancing the structural integrity and lifespan of the structures they are used in.

Q:How are steel coils processed for cold rolling or hot rolling?: Steel coils are first unwound and inspected for any defects. Then, they are cleaned and treated to remove any impurities. For cold rolling, the coils are passed through a series of rollers at room temperature to reduce their thickness and improve their surface finish. On the other hand, for hot rolling, the coils are heated to high temperatures and then passed through rollers to achieve the desired thickness and shape.

Q:How are steel coils used in the production of metal buildings?: Steel coils are used in the production of metal buildings as they are rolled into sheets and then formed into various structural components such as beams, columns, and roof panels. These coils allow for efficient mass production and provide a high-strength and durable material that ensures the structural integrity of the metal building.

Q:What are the common coil thickness and width combinations available for steel coils?: The specific requirements and standards of the industry can cause the available combinations for steel coil thickness and width to vary. Nonetheless, there are commonly used combinations that can be found. There is a range of options for coil thickness, varying from thin to thick coils. Thin coils typically have a thickness of 0.4mm to 3.0mm, while medium thickness coils can be around 3.0mm to 6.0mm. Thicker coils can range from 6.0mm to 25.0mm or even higher, depending on the specific application. The coil width also varies depending on the intended usage. Common options include widths of 600mm, 750mm, 900mm, 1000mm, 1200mm, 1250mm, and 1500mm. However, wider or narrower coils can also be available depending on the specific requirements of the customer or industry. Ultimately, the most suitable combination of coil thickness and width will depend on factors such as the intended application, manufacturing processes, transportation limitations, and customer preferences. It is crucial to consult with steel coil manufacturers or suppliers to determine the most appropriate options for your specific needs.

Q:How are steel coils used in the production of solar panels?: Steel coils are not directly used in the production of solar panels. However, steel is typically used in the manufacturing of the structural frames and mounting systems for solar panels. These frames and mounting systems provide support and stability to the solar panels, ensuring their proper installation and long-term durability.

Q:I'm getting microdermals, from a very experienced piercer, but they don't have titanium and I know titanium is the best for this, but is Grade A Srugical Steel okay too?(P.S. also instead of getting flat heads, of the microdermals, I'm getting flat crystal like ones, are those okay? I know to be careful, I am veryyyy careful with my body, so much that I'm worried I'm going to overly do it when I get them and dry out the skin or something hahaa xp)THANK YOU ALL IN ADVANCE FOR THE HELP: surgical steel is fine. if you really want titanium ask your piercer if you can buy them yourself and if he can use them. the diamond kind will be okay especially if you are the careful type :)

Q:What are the common surface defects found in steel coils?: Steel coils can have several surface defects commonly found. One prevalent defect is rust or corrosion, which happens when moisture contacts the steel surface and causes oxidation and rust formation. Another defect is scratches or abrasions, occurring during coil handling or transportation. These can vary from small surface scratches to deeper gouges that affect the steel's structural integrity. Surface roughness or unevenness is also possible due to improper rolling or cooling processes during manufacturing, resulting in inconsistent surface texture that affects appearance and performance. Scale is another defect, forming an oxide layer during manufacturing, giving the steel a rough and uneven look. Finally, oil or grease stains may occur during manufacturing or handling, impacting paint or coating adhesion. These common surface defects impact steel quality, appearance, and performance, often requiring cleaning, grinding, or recoating as remedial actions.

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