Chinese Best Prepainted Galvanized steel Coil ASTM 615
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 26 m.t.
- Supply Capability:
- 22222 m.t./month
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1.Structure of Prepainted Galvanized steel Coil ：
With Gi as base metal,after pretreatmet (degrease and chemical treatment) and liquid dope with several Layers of color,then after firing and cooling,finally the plate steel is called pre-painted galvanized steel ( PPGI) .Pre-painted galvanized steel is good capable of decoration ,molding,corrosion resistance
2.Main Features of Prepainted Galvanized steel Coil：
• Excellent process capability
• Smooth and flat surface
• Workability, durability
• Excellent heat resistance performance
• High strength
• Good formability
• Good visual effect
3.Prepainted Galvanized steel Coil Images
4.Prepainted Galvanized steel Coil Specification
Standard:ASTM, GB,JIS,JIS G3302 ASTM 755 EN10169
Grade: DX51D CGCC CS
Thickness: 0.13mm~3.0mm,
Width: 1250,600-1250mm
Coil weight:3-12 MT
Coil ID:508/610mm
Chemical composition:
C | Si | Mn | Cr | Ni | P | S |
0.150 | 0.476 | 11.231 | 12.50 | 0.900 | 0.039 | 0.010
|
5.FAQ of Prepainted Galvanized steel Coi
We have organized several common questions for our clients，may help you sincerely：
1.How do you control your quality
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 we will receive the goods ？
After receiving your deposit or workable lc ,our normal shipment date is 15-20days,and it takes around 28 days to reach your port of destination. But is up to different destination
3. what is your moq
Normally our moq is 25per size ,but it is up to different size
- Q: What are the different surface coating methods for steel strips?
- Some of the different surface coating methods for steel strips include hot-dip galvanizing, electroplating, powder coating, and paint coating.
- Q: What is the typical corrosion resistance of steel strips?
- The typical corrosion resistance of steel strips varies depending on factors such as the specific type of steel, its composition, and the environmental conditions in which it is exposed. However, steel is generally susceptible to corrosion, especially when exposed to moisture and harsh chemicals. To enhance the corrosion resistance of steel strips, various coatings and treatments can be applied, such as galvanization or the use of corrosion-resistant alloys.
- Q: What are the different surface polishing techniques for steel strips?
- There are several different surface polishing techniques for steel strips, including mechanical polishing, chemical polishing, electrochemical polishing, and electropolishing. Mechanical polishing involves the use of abrasives and polishing compounds to remove imperfections and create a smooth surface. Chemical polishing uses chemical solutions to dissolve surface irregularities. Electrochemical polishing applies an electrical current to remove material and enhance the surface finish. Electropolishing is a combination of chemical and electrochemical processes that removes a thin layer of material to improve the surface smoothness.
- Q: How are steel strips processed for deburring?
- Various techniques are employed to deburr steel strips, depending on specific requirements. One commonly utilized approach involves mechanical deburring, where the strips are passed through specialized machines equipped with rotating brushes or abrasive wheels. These brushes or wheels effectively eliminate burrs by rubbing against the strip's surface, resulting in the smoothing out of any rough edges or protrusions. Another technique, known as vibratory deburring, entails placing the steel strips into a vibratory bowl or tub alongside abrasive media. Through consistent friction caused by vibration, the media rubs against the strips, effectively removing burrs. This method proves highly useful for deburring intricate or delicate shapes. Chemical deburring presents an alternative option, whereby the steel strips are immersed in a chemical bath containing a deburring agent. The agent dissolves the burrs, resulting in smooth and even strip surfaces. This method is commonly employed for deburring hard-to-reach areas or parts with intricate geometries. Additionally, advanced laser deburring employs laser technology to accurately remove burrs from steel strips. The laser beam is directed at the burrs, melting or vaporizing them, thus creating a clean and burr-free surface. This method is exceptionally precise and efficient, making it suitable for high-precision applications. Ultimately, the choice of deburring method for steel strips depends on factors such as part complexity, desired precision levels, and production volume. By selecting the most appropriate technique, manufacturers can effectively eliminate burrs and ensure the quality of their steel strips.
- Q: How are steel strips processed for electrical conductivity?
- Steel strips can be processed to improve their electrical conductivity through various methods. One of the common processes is called annealing. Annealing involves heating the steel strip to a specific temperature and then cooling it slowly. This process helps to eliminate any impurities and internal stresses in the steel, resulting in improved electrical conductivity. Another method used is electroplating. This involves coating the steel strip with a layer of a more conductive material, such as copper or silver. The strip is immersed in an electrolyte solution, and an electric current is passed through it. This causes the conductive material to be deposited on the surface of the steel strip, enhancing its electrical conductivity. Furthermore, surface treatments such as chemical etching or mechanical polishing can be applied to remove any surface impurities or oxides that may hinder electrical conductivity. These processes help to create a clean and smooth surface, allowing better flow of electrical current through the steel strip. Overall, the processing of steel strips for electrical conductivity involves techniques like annealing, electroplating, and surface treatments to enhance the material's conductivity and ensure its suitability for electrical applications.
- Q: Are steel strips used in the production of metal stampings?
- Steel strips are widely used in the manufacturing of metal stampings. They are thin, flat steel pieces that are commonly used as raw material for the metal stamping process. Metal stamping is a production technique in which a flat metal sheet is transformed into a desired shape or design using a stamping press. Steel strips are frequently chosen due to their strength, durability, and versatility, which make them suitable for many metal stamping applications in different industries. Whether it is for automotive parts, electronics, appliances, or other consumer goods, steel strips are essential for producing top-notch metal stampings.
- Q: How do steel strips handle high-pressure applications?
- Steel strips handle high-pressure applications very well due to their strong and durable nature. The high tensile strength of steel allows it to withstand intense pressure without deforming or breaking, making it an ideal material for applications where resistance to pressure is crucial. Additionally, steel strips can be manufactured to precise dimensions, ensuring a tight and secure fit in high-pressure systems.
- Q: How are steel strips processed for surface shearing?
- Steel strips are processed for surface shearing through a series of steps to ensure a smooth and precise cutting process. First, the steel strips are cleaned to remove any dirt or debris that could interfere with the shearing process. This is typically done by using a combination of chemical cleaning agents and mechanical scrubbing. Once the strips are clean, they are then fed into a shearing machine. This machine is equipped with sharp blades that move in a vertical or horizontal motion, depending on the desired cut. The steel strips are positioned accurately, and the shearing blades are adjusted to the desired cutting length. As the shearing blades come into contact with the steel strips, they apply a significant amount of force to cut through the material. The shearing blades move along the length of the steel strips, creating a clean and precise cut. The shearing machine is often equipped with a back gauge system to ensure accurate positioning of the steel strips. After the shearing process, the cut steel strips are inspected for any imperfections or defects. Any rough edges or burrs are removed using a deburring process, which can involve grinding or sanding the edges to create a smooth finish. Finally, the processed steel strips are ready for further use or application. They may be used in various industries, such as automotive, construction, or manufacturing, depending on the specific requirements. The surface shearing process ensures that the steel strips are cut accurately and efficiently, allowing for high-quality end products.
- Q: How are steel strips coated with aluminum?
- Hot-dip aluminum coating or hot-dip aluminizing is a technique for coating steel strips with aluminum. In this process, the steel strip is immersed in a molten aluminum bath, which is often mixed with other elements to enhance its properties. Before the coating takes place, the steel strip undergoes cleaning and pre-treatment to ensure proper adhesion between the steel and the aluminum coating. The strip is then passed through rollers to remove any excess oil or debris. Once prepared, the strip is dipped into the molten aluminum bath. Careful immersion and controlled speed ensure an even and uniform coating. The aluminum adheres to the steel surface, forming a thin layer. After being withdrawn from the bath, the strip undergoes cooling, solidification, and quenching processes to ensure the durability and adhesion of the coating. Further processing, such as cutting, rolling, or shaping, is carried out based on the intended use. The hot-dip aluminum coating process offers several advantages for steel strips. It enhances corrosion resistance, making them suitable for harsh environments. It also improves the aesthetic appearance, providing a smooth and shiny surface. Additionally, the coating can enhance heat resistance, electrical conductivity, and reflectivity, depending on specific needs.
- Q: How are steel strips joined together?
- Steel strips are commonly joined together using various welding techniques such as arc welding, spot welding, or laser welding. These processes involve melting and fusing the edges of the steel strips, creating a strong and durable joint. Additionally, other methods like riveting, bolting, or adhesive bonding can also be used to join steel strips together depending on the specific application requirements.
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Chinese Best Prepainted Galvanized steel Coil ASTM 615
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 26 m.t.
- Supply Capability:
- 22222 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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