PPGI Prepainted Galvanized steel Coil ASTM 615-009

PPGI Prepainted Galvanized steel Coil ASTM 615-009 System 1

PPGI Prepainted Galvanized steel Coil ASTM 615-009

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 22 kg/m²

Supply Capability:: 11 kg/m²/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 lowering the cost of production and increasing the quality of the metal. Today, steel is one of the most common materials in the world, with more than 1.3 billion tons produced annually. It is a major component in buildings, infrastructure, tools, ships, automobiles, machines, appliances, and weapons. Modern steel is generally identified by various grades defined by assorted standards organizations.

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

PPGI Prepainted Galvanized steel Coil ASTM 615-009

4.Prepainted Galvanized steel Coil Specification

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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 The bar-throated minla (Minla strigula) is a species of bird found in the montane forests of the Indian subcontinent and Southeast Asia.

3. what is your moq

Normally our moq is 25per size ,but it is up to different size

Q: What are the standard dimensions for steel strips?: The standard dimensions for steel strips can vary depending on the specific application and industry requirements. However, there are commonly used dimensions that are widely accepted in the manufacturing and construction sectors. Steel strips are typically available in various widths ranging from 1/2 inch to 12 inches, with the most common widths being 1 inch, 2 inches, and 4 inches. The thickness or gauge of steel strips can also vary, and it is usually denoted by a numerical value. Common thicknesses include 16 gauge (0.0598 inches), 18 gauge (0.0478 inches), and 20 gauge (0.0359 inches). Additionally, the length of steel strips can be customized to suit specific project requirements, with standard lengths typically ranging from 8 feet to 12 feet. It is important to note that these dimensions are not exhaustive and may vary based on regional standards and specific industry needs.

Q: What are the different mechanical tests performed on steel strips?: There are several mechanical tests performed on steel strips to assess their physical and mechanical properties. Some of the common tests include: 1. Tensile Test: This test measures the tensile strength, yield strength, and elongation of the steel strip. It involves applying a gradually increasing axial load to the strip until it fractures. 2. Hardness Test: The hardness of a steel strip can be determined using various methods like Rockwell, Vickers, or Brinell hardness tests. This test measures the resistance of the material to indentation or scratching. 3. Bend Test: This test evaluates the ductility and flexibility of the steel strip. It involves bending the strip to a specific angle without any signs of cracking or breaking. 4. Impact Test: This test assesses the toughness and impact resistance of the steel strip by subjecting it to a sudden load or impact. It measures the energy absorbed by the material during fracture. 5. Fatigue Test: This test determines the strength and durability of the steel strip under repeated or cyclic loading conditions. It assesses the material's resistance to failure caused by repetitive stress or strain. 6. Flattening Test: This test evaluates the ability of the steel strip to withstand flattening or deformation under compressive forces. It measures the deformation or cracking of the strip when subjected to a specific load. 7. Shear Test: This test determines the shear strength of the steel strip by applying a force parallel to its surface. It measures the maximum force required to shear the material. These mechanical tests help in characterizing the quality, performance, and suitability of steel strips for various applications such as automotive, construction, or manufacturing industries. They provide valuable information about the material's strength, ductility, hardness, and ability to withstand different loads and forces.

Q: How are defects in steel strips repaired?: Defects in steel strips can be repaired using various methods depending on the nature and severity of the defect. One common method is called welding, where a skilled technician uses heat to fuse the edges of the defect back together. This is often done using specialized machinery such as electric arc welders or laser welding equipment. Welding is particularly effective for repairing cracks or breaks in the steel strip. Another method for repairing defects is known as grinding or polishing. This involves removing the defective portion of the strip using abrasive tools such as grinding wheels or sandpaper. The strip is then smoothed and polished to ensure a consistent surface finish. Grinding is typically used for repairing surface imperfections such as scratches or dents. In some cases, defects may be repaired by cutting out the damaged section and replacing it with a new piece of steel. This method is known as patching or splicing and is commonly used for larger defects that cannot be repaired using welding or grinding techniques. It is worth noting that the specific repair method used will depend on factors such as the type and size of the defect, the type of steel being used, and the intended application of the steel strip. Additionally, safety precautions must be taken during the repair process to ensure the wellbeing of the technicians and the quality of the repair.

Q: What are the different cleaning methods for steel strips?: There exist various cleaning techniques available for steel strips, which can be selected based on the specific requirements and needs of the application. Some commonly employed cleaning methods for steel strips include: 1. Mechanical cleaning: This method entails the utilization of mechanical tools like wire brushes, sandpaper, or abrasive pads to physically eliminate dirt, rust, or other contaminants from the surface of the steel strips. Mechanical cleaning is effective in eliminating heavy deposits or stubborn stains. 2. Chemical cleaning: Chemical cleaning involves the use of cleaning agents or solvents to dissolve or eradicate contaminants from the steel strips. The choice of cleaning agents depends on the specific contaminants that need to be eliminated. Acid-based cleaners are frequently used to remove rust, while alkaline cleaners are effective in eliminating grease or oil. 3. Electrolytic cleaning: This method requires immersing the steel strips in an electrolyte solution and applying an electric current to eradicate contaminants. Electrolytic cleaning is particularly effective in removing rust or scale from the steel strip's surface. Additionally, it can be utilized to passivate the steel surface, enhancing its resistance to corrosion. 4. Ultrasonic cleaning: Ultrasonic cleaning employs high-frequency sound waves to generate tiny bubbles in a cleaning solution. These bubbles collapse near the surface of the steel strips, creating a scrubbing action that aids in removing contaminants. Ultrasonic cleaning is efficient in eliminating fine particles or particles that are challenging to reach using other cleaning methods. 5. Steam cleaning: Steam cleaning involves the utilization of high-pressure steam to eliminate contaminants from the surface of the steel strips. The heat and pressure of the steam facilitate the breakdown of dirt, grease, or oil, making it easier to remove them. Steam cleaning is a rapid and efficient method for cleaning steel strips, particularly in industrial or manufacturing settings. It is crucial to select the appropriate cleaning method based on the type and severity of contamination, as well as the desired level of cleanliness. By implementing proper cleaning and maintenance practices for steel strips, their lifespan can be extended, ensuring optimal performance in various applications.

Q: What are the main quality standards for steel strips?: The main quality standards for steel strips include factors such as dimensional accuracy, surface finish, mechanical properties (such as strength and hardness), chemical composition, and uniformity in terms of thickness and width. These standards ensure that steel strips meet the required specifications, making them suitable for various applications in industries like automotive, construction, and manufacturing.

Q: How are steel strips processed for flexibility?: Steel strips undergo various manufacturing techniques and treatments to achieve flexibility. One frequently employed method is cold rolling, which involves passing the strip through room temperature rollers to decrease its thickness and enhance flexibility. This process also strengthens and hardens the steel. Moreover, after cold rolling, annealing is often carried out to further improve the strip's flexibility. This entails heating the strip to a specific temperature and gradually cooling it. By doing so, any internal stresses in the steel are relieved, allowing for easier deformation and increased flexibility. In addition, tempering can be utilized to enhance the flexibility of steel strips. This entails heating the steel to a high temperature and rapidly cooling it. Tempering aids in increasing the ductility and toughness of the steel, making it more flexible and resistant to stress-induced cracking or breaking. In certain cases, steel strips may undergo skin-pass rolling. This process involves passing the strip through rollers that gently apply pressure to the surface, resulting in a smoother and more uniform finish. Skin-pass rolling contributes to the flexibility of the steel strip by reducing surface irregularities and enhancing overall quality. In conclusion, a combination of cold rolling, annealing, tempering, and skin-pass rolling is commonly employed to process steel strips for flexibility. These techniques optimize the mechanical properties of the material, ensuring that it can be easily molded, formed, or shaped for various applications without compromising its structural integrity.

Q: What are the weight and thickness tolerances for steel strips?: The weight and thickness tolerances for steel strips can vary depending on the specific grade and application. Generally, weight tolerances can range from +/- 5% to +/- 10% of the specified weight. Thickness tolerances typically fall within the range of +/- 0.001 inches to +/- 0.010 inches, again depending on the specific requirements and standards set by the industry.

Q: How are steel strips used in the manufacturing of medical devices?: Due to their unique properties such as strength, durability, and corrosion resistance, steel strips have found wide usage in the manufacturing of medical devices. These strips are typically composed of stainless steel, an alloy renowned for its exceptional mechanical and chemical characteristics. In the medical device industry, steel strips serve a multitude of purposes. One common application is their use in producing surgical instruments like scalpels, forceps, and scissors. These instruments require a sturdy and sharp edge, which can be achieved by shaping and sharpening the steel strips. The stainless steel composition ensures that the instruments remain resistant to corrosion, reducing the risk of contamination during medical procedures. Moreover, steel strips are employed in the production of medical implants such as pacemakers, joint replacements, and spinal fixation devices. These implants necessitate robustness and biocompatibility to ensure long-term functionality and patient safety. Steel strips provide the requisite strength for these implants, enabling them to withstand the forces and stresses they may encounter within the human body. Additionally, steel strips find use in fabricating medical equipment, including imaging devices like X-ray machines and MRI scanners. These devices demand a stable and rigid structure to maintain accuracy and precision. Steel strips offer the necessary structural integrity, facilitating the precise alignment of components and ensuring optimal performance of the equipment. Furthermore, steel strips are utilized in the manufacturing of medical tubing, catheters, and stents. These devices often require a combination of flexibility and strength to navigate through the intricate pathways of the body. Steel strips can be shaped and formed into thin tubes or wires, enabling the production of flexible yet sturdy medical devices. In conclusion, steel strips play a vital role in the manufacturing of medical devices. Their strength, durability, and corrosion resistance make them an ideal material for various applications in the medical industry. Whether it is for surgical instruments, implants, medical equipment, or tubing, steel strips contribute to the production of high-quality and reliable medical devices that enhance patient care and improve medical outcomes.

Q: Can steel strips be used in automotive stamping?: Yes, steel strips can be commonly used in automotive stamping processes. They are often used to create various automotive components such as body parts, frames, brackets, and reinforcements due to their strength, durability, and cost-effectiveness.

Q: What are the factors that affect the dimensional stability of steel strips?: Steel strips can experience changes in size and shape due to various factors. Temperature plays a significant role, as high temperatures cause expansion and low temperatures cause contraction. Therefore, it is important to choose a steel grade that has appropriate thermal expansion properties for the intended temperature range. Moisture also affects the dimensional stability of steel strips. High humidity or moisture can lead to corrosion, resulting in swelling or warping of the steel strip. To prevent this, proper storage and handling practices should be followed to keep moisture out. Mechanical stress is another factor that can impact the dimensional stability of steel strips. Excessive bending or stretching can introduce residual stresses, which can cause dimensional changes over time. Care must be taken during processing, handling, and installation to minimize the introduction of excessive mechanical stress. The chemical composition of the steel strip is also important. Elements like carbon, silicon, and manganese can affect the thermal expansion properties of the steel. Impurities or uneven distribution of alloying elements can cause uneven expansion or contraction, leading to dimensional changes. The manufacturing process used to produce the steel strip can also affect its dimensional stability. Factors such as rolling temperature, cooling rate, and annealing processes can impact the microstructure and resulting dimensional stability. Proper control and optimization of the manufacturing process can help reduce dimensional variations. Furthermore, applying coatings or surface treatments to the steel strip can influence its dimensional stability. Some coatings or treatments may introduce stress or alter the thermal expansion properties, impacting the dimensional stability. It is important to select appropriate coatings or treatments that are compatible with the intended application and minimize dimensional changes. In conclusion, the dimensional stability of steel strips is influenced by temperature, moisture, mechanical stress, chemical composition, manufacturing process, and coating or surface treatment. It is crucial to carefully consider and manage these factors to ensure the desired dimensional stability in different applications.

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