Best Prepainted Galvanized steel Coil JIW

Best Prepainted Galvanized steel Coil JIW System 1

Best Prepainted Galvanized steel Coil JIW

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 11 m.t.

Supply Capability:: 11 m.t./month

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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 prepainted galvanized steel ( PPGI) .Prepainted galvanized steel is good capable of decoration ,molding,corrosion resistance The carbon in typical steel alloys may contribute up to 2.1% of its weight. Varying the amount of alloying elements, their formation in the steel either as solute elements, or as precipitated phases, retards the movement of those dislocations that make iron comparatively ductile and weak, and thus controls qualities such as the hardness, ductility, and tensile strength of the resulting steel. Steel's strength compared to pure iron is only possible at the expense of ductility, of which iron has an excess.

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

Although steel had been produced in bloomery furnaces for thousands of years, steel's use expanded extensively after more efficient production methods were devised in the 17th century for blister steel and then crucible steel. With the invention of the Bessemer process in the mid-19th century, a new era of mass-produced steel began. This was followed by Siemens-Martin process and then Gilchrist-Thomas process that refined the quality of steel. With their introductions, mild steel replacedwrought iron.

3.Prepainted Galvanized steel Coil Images

Best Prepainted Galvanized steel Coil JIW

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:

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: How are steel strips protected against damage during handling?: Steel strips are protected against damage during handling through various methods such as applying protective coatings, using edge protectors, employing proper lifting and handling techniques, and ensuring secure packaging and strapping.

Q: How do steel strips respond to different heat treatment processes?: Steel strips respond differently to different heat treatment processes. Heat treatment processes such as annealing, quenching, tempering, and normalizing can significantly alter the properties of steel strips. Annealing is a heat treatment process that involves heating the steel strips to a specific temperature and then slowly cooling them. This process helps to relieve internal stresses, improve ductility, and refine the grain structure of the steel. As a result, annealed steel strips become softer, more malleable, and less brittle. Quenching, on the other hand, involves rapidly cooling the steel strips after heating them to a critical temperature. This process causes the formation of a hardened microstructure, making the steel strips very hard and brittle. Quenched steel strips are often used in applications that require high hardness and wear resistance, such as cutting tools. Tempering is a heat treatment process that follows quenching. It involves reheating the hardened steel strips to a specific temperature and then cooling them at a controlled rate. Tempering reduces the brittleness of the steel, making it tougher and more ductile. This process helps to balance the hardness and toughness of the steel strips, making them suitable for applications such as springs and gears. Normalizing is a heat treatment process similar to annealing, but the cooling rate is faster. It is often used to refine the grain structure of the steel strips and improve their mechanical properties. Normalized steel strips have improved strength and toughness, making them suitable for applications that require high strength and impact resistance. Overall, the response of steel strips to different heat treatment processes depends on the specific process used, the temperature, and the cooling rate. Each heat treatment process can modify the microstructure and properties of the steel strips, allowing them to be customized for various applications.

Q: What are the properties of steel strips?: Steel strips typically possess several properties that make them highly versatile and widely used in various industries. Some key properties of steel strips include high strength, excellent durability, good corrosion resistance, and high heat resistance. They can also be easily shaped, formed, and welded, making them suitable for a range of applications such as automotive components, construction materials, and electrical appliances. Additionally, steel strips have a high weight-to-strength ratio, making them an ideal choice for lightweight structures.

Q: How do steel strips perform in outdoor environments?: Steel strips perform well in outdoor environments due to their high strength and durability. They are resistant to corrosion, rust, and extreme weather conditions, making them suitable for various outdoor applications such as construction, automotive, and infrastructure projects. Additionally, steel strips can withstand heavy loads and provide excellent structural integrity, ensuring long-lasting performance in outdoor settings.

Q: How are steel strips used in the agricultural industry?: Steel strips are used in the agricultural industry for various purposes such as reinforcing structures like greenhouses, constructing farm equipment, fencing, and supporting irrigation systems.

Q: Can steel strips be used in electrical or electronic applications?: Yes, steel strips can be used in electrical or electronic applications, particularly for grounding purposes or as a structural component in certain devices or equipment. However, their usage is limited compared to other materials like copper or aluminum, which are more commonly used for conducting electricity due to their superior electrical conductivity.

Q: Are steel strips suitable for making automotive body panels?: Yes, steel strips are suitable for making automotive body panels. Steel is a popular material choice for automotive body panels due to its strength, durability, and ability to withstand impact. Steel strips provide the necessary structural integrity required in a vehicle's body panels, ensuring safety and protection for the occupants. Additionally, steel is highly malleable, making it easy to shape into various complex forms needed for automotive body panels. Steel strips also offer excellent corrosion resistance when properly coated, increasing the longevity of the body panels. Overall, steel strips are a reliable and commonly used material in the automotive industry for making body panels.

Q: How are steel strips used in the production of hinges and hardware?: Due to their durability and strength, steel strips are vital in the production of hinges and hardware. Typically made from high-quality steel alloys, these strips offer excellent resistance to corrosion, wear, and tear. In the manufacturing process, the desired size and shape of the hinges or hardware determine the specific lengths and widths into which steel strips are cut. Techniques such as stamping, pressing, or rolling are then used to shape, bend, and form these strips. By carefully manipulating the steel strips, hinge leaves, pins, or brackets, the necessary components of hinges and hardware are created. These components are assembled and welded together to ensure a secure and sturdy connection. The use of steel strips in hinge and hardware production allows for customization and design flexibility. Different thicknesses and widths of steel strips can be utilized to meet specific strength and load-bearing requirements. Additionally, treating or coating the steel further enhances its performance, such as through galvanization to provide additional protection against rust and corrosion. In summary, steel strips are essential in hinge and hardware production as they provide the necessary strength, durability, and versatility required for these components. Their use guarantees that hinges and hardware can withstand daily use and deliver reliable functionality for various applications.

Q: What are the factors that affect the thermal conductivity of steel strips?: The factors that affect the thermal conductivity of steel strips include the chemical composition of the steel, its microstructure, temperature, and any impurities or defects present in the material. Additionally, the presence of alloying elements, such as carbon, can also influence the thermal conductivity of steel strips.

Q: What are the future prospects for the steel strip industry?: The steel strip industry has a promising future ahead. Despite facing challenges in recent years such as overcapacity and trade disputes, there are several factors indicating a positive outlook. To begin with, the global increase in construction and infrastructure development activities is expected to drive the demand for steel strips. These strips are extensively used in various construction applications like roofing, flooring, and cladding. As countries continue to invest in infrastructure building and modernization, the demand for steel strips is likely to rise. Furthermore, the automotive industry, a major consumer of steel strips, is undergoing a transformation with the emergence of electric vehicles and autonomous driving technologies. This shift necessitates the production of lightweight and high-strength materials, including steel strips, to meet the changing needs of the industry. Consequently, the steel strip industry is expected to benefit from the demand for advanced materials in the automotive sector. Additionally, the increasing emphasis on sustainable and eco-friendly practices is expected to drive the adoption of steel strips. Steel is a recyclable material that can contribute to reducing carbon emissions and achieving sustainability goals. This trend is likely to fuel the demand for steel strips as companies and governments prioritize environmental responsibility. Moreover, advancements in technology and manufacturing processes are expected to enhance the efficiency and quality of steel strip production. This will result in cost reductions and increased productivity, making steel strips more competitive in the market. However, it is crucial to acknowledge that the steel strip industry will still face challenges. Fluctuations in raw material prices, trade barriers, and competition from alternative materials like aluminum and composites can affect the industry's growth. Additionally, the industry needs to address sustainability concerns and invest in research and development to innovate and meet the evolving demands of various sectors. In conclusion, the future prospects for the steel strip industry are positive. With the increasing demand from the construction and automotive sectors, the growing focus on sustainability, and advancements in technology, the industry is well-positioned for growth. However, it must adapt to changing market dynamics and invest in innovation to remain competitive in the global marketplace.

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