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: What are the properties of a steel strip?: Steel strips have several important properties that make them useful in a wide range of applications. 1. Strength: Steel strips are known for their exceptional strength. They can withstand high levels of stress and have a high tensile strength, making them ideal for applications that require durability and resistance to deformation. 2. Hardness: Steel strips are typically hardened to enhance their durability. The hardness of steel strips can be adjusted during the manufacturing process to meet specific requirements for different applications. 3. Corrosion resistance: Steel strips can be coated or treated to provide excellent resistance against corrosion. This makes them suitable for use in outdoor or corrosive environments, where protection against rust and degradation is essential. 4. Ductility: Despite their strength, steel strips also possess a certain level of ductility. This means they can be stretched or bent without breaking, allowing for ease of processing and fabrication. 5. Thermal conductivity: Steel strips have good thermal conductivity, allowing them to efficiently transfer heat. This property is particularly important in applications that involve heat dissipation or conduction, such as in electrical components or heat exchangers. 6. Magnetic properties: Certain types of steel strips exhibit magnetic properties, making them useful in applications that require magnetic strength or response, such as in transformers or magnetic sensors. 7. Versatility: Steel strips can be manufactured in various thicknesses, widths, and lengths, making them highly versatile. They can be customized to meet the specific requirements of different industries, from automotive and construction to manufacturing and electronics. Overall, the properties of steel strips – including strength, hardness, corrosion resistance, ductility, thermal conductivity, magnetic properties, and versatility – make them a reliable and versatile material for numerous applications across various industries.

Q: What are the common tensile strengths for steel strips?: The common tensile strengths for steel strips can vary depending on the specific grade and type of steel being used. However, generally speaking, the tensile strengths for steel strips typically range from 300 to 2,500 megapascals (MPa). For instance, low carbon steel strips typically have tensile strengths in the range of 300 to 600 MPa, while high carbon steel strips can have tensile strengths ranging from 1,200 to 2,500 MPa. Furthermore, stainless steel strips, which are known for their corrosion resistance and strength, generally have tensile strengths ranging from 600 to 1,500 MPa, depending on the specific grade and composition. It is important to note that these ranges are approximate and can vary based on factors such as the manufacturing process, heat treatment, and alloy composition. Therefore, it is always recommended to consult the manufacturer's specifications or standards for accurate tensile strength values for specific steel strips.

Q: How are steel strips tested for impact resistance?: Steel strips are tested for impact resistance using various methods to ensure their durability and ability to withstand sudden forces or impacts. One common testing method is the Charpy impact test, where a notched or pre-cracked specimen of the steel strip is subjected to a single blow from a swinging pendulum. The energy absorbed by the specimen during fracture is measured, which helps determine the impact resistance of the steel strip. Another testing method is the drop weight test, where a weight is dropped from a specific height onto a sample of the steel strip. The force and energy absorbed by the strip upon impact are measured, allowing for the assessment of its impact resistance. Additionally, steel strips can be tested using the Izod impact test, which is similar to the Charpy test but involves a different specimen configuration. In this test, the sample is clamped vertically, and a swinging pendulum strikes the specimen at its center, causing it to bend and eventually fracture. The energy absorbed during fracture is measured, providing insights into the impact resistance of the steel strip. These tests help manufacturers and engineers evaluate the ability of steel strips to withstand sudden forces or impacts that they may encounter during their intended applications. By ensuring that steel strips have adequate impact resistance, their performance and reliability can be guaranteed, contributing to the overall safety and durability of various products and structures that rely on these materials.

Q: Can steel strips be used for making electrical connectors in power distribution systems?: Yes, steel strips can be used for making electrical connectors in power distribution systems. Steel strips provide several advantages for this application. Firstly, steel is a highly conductive material, making it suitable for carrying electrical current. It has a low resistance, which ensures minimal power loss during transmission and distribution. Steel also has good mechanical properties, allowing it to withstand the stresses and strains experienced in power distribution systems. Additionally, steel strips can be easily formed into various shapes and sizes, making them versatile for designing different types of connectors. They can be bent, punched, or welded to create specific connection points for electrical cables. Steel strips can also be coated with a protective layer, such as tin or nickel, to improve their corrosion resistance and electrical conductivity. Furthermore, steel is a durable and long-lasting material, capable of withstanding harsh environmental conditions and providing reliable electrical connections over an extended period. This durability is crucial in power distribution systems, where connectors must maintain their integrity and conductivity under high voltage and current levels. However, it is important to note that steel strips may not be suitable for all types of electrical connectors. In certain applications, where higher electrical conductivity or specific mechanical properties are required, other materials like copper or aluminum may be preferred. The choice of material for electrical connectors depends on various factors such as the specific requirements of the power distribution system, cost considerations, and industry standards.

Q: How are steel strips used in the manufacturing of air conditioning systems?: Air conditioning systems utilize steel strips in various ways during the manufacturing process. To begin with, they are commonly employed in constructing the system's outer casing, which provides a robust and long-lasting structure. Steel strips are renowned for their exceptional strength and resistance to corrosion, making them an ideal material for this purpose. Furthermore, steel strips are utilized to fabricate the different components and parts within the air conditioning system. These can encompass heat exchangers, condenser coils, evaporator coils, and fan blades, among others. Steel strips are shaped, cut, and formed into desired shapes and sizes to create these components. They are chosen due to their ability to withstand high temperatures, pressure, and exposure to refrigerants, ensuring the system's longevity and efficiency. Additionally, steel strips also find application in the manufacturing of air conditioning ductwork. Ductwork is an integral part of the system that facilitates the distribution of conditioned air throughout a building. Steel strips are employed in creating the ducts, guaranteeing their rigidity and stability. This aids in maintaining airflow and preventing any leaks or inefficiencies within the system. In conclusion, steel strips perform a vital role in the manufacturing of air conditioning systems. They are employed in constructing the outer casing, fabricating various components, and manufacturing ductwork. The utilization of steel strips ensures the durability, efficiency, and longevity of the air conditioning system, making them an indispensable material in this industry.

Q: How are steel strips used in the chemical industry?: Steel strips are commonly used in the chemical industry for various purposes such as packaging, sealing, and supporting equipment and machinery. They are used to wrap and protect chemicals, ensuring safe transportation and storage. Additionally, steel strips are used in the construction of chemical processing equipment and tanks due to their durability, strength, and resistance to corrosion.

Q: What industries commonly use steel strips?: Some of the industries that commonly use steel strips include automotive, construction, manufacturing, aerospace, and packaging.

Q: How are steel strips used in the construction of industrial plants?: Steel strips are commonly used in the construction of industrial plants for various purposes such as framing, support, and reinforcement. They are often utilized to create structural elements such as beams, columns, and trusses, providing stability and strength to the overall building structure. Additionally, steel strips can be used as cladding materials for walls and roofs, offering durability, weather resistance, and aesthetic appeal.

Q: How are steel strips cut to length?: Steel strips are cut to length in different ways depending on specific requirements and the thickness of the steel. One method commonly used is the guillotine shear, where a machine with a sharp blade is utilized to cut through the steel strip. The strip is placed on a table, and the blade is lowered to achieve the desired length of cut. Another method involves the use of a rotary shear, which comprises multiple rotating blades that cut the steel strip as it passes through the machine. This method is preferred for thicker steel strips or when high-speed cutting operations are required. In certain cases, laser cutting is employed to achieve precise and accurate cuts. This method utilizes a high-powered laser beam to either melt or vaporize the steel along a predetermined cutting path. Moreover, plasma cutting can be utilized to cut steel strips. This method utilizes a plasma torch that generates a high-velocity jet of ionized gas to melt and sever the steel. Lastly, water jet cutting can also be used, particularly for thicker steel strips. This method employs a high-pressure stream of water mixed with an abrasive substance to cut through the steel. In summary, the process of cutting steel strips involves the utilization of specialized machinery and techniques to ensure precise and accurate cuts according to the desired length.

Q: How do steel strips respond to different surface coating techniques?: Different surface coating techniques can yield different responses from steel strips, depending on the specific method employed. Multiple options are available for coating steel strips, including galvanizing, electroplating, powder coating, and painting, each with its own strengths and weaknesses. Galvanizing, a commonly used technique, offers protection against corrosion by applying a layer of zinc onto the steel strip through hot-dip or electroplating processes. This coating provides exceptional durability and resistance to corrosion, making it well-suited for outdoor applications in industries such as construction, automotive, and infrastructure. Electroplating is another method used to add a thin layer of metal to the surface of steel strips. It can enhance the steel's appearance, improve corrosion resistance, or provide specific functional properties. Nickel, chromium, and tin are common metals used for electroplating steel strips. This technique ensures excellent adhesion and uniformity in the coating, resulting in a high-quality finish and protection against corrosion. Powder coating, a popular technique, involves the application of a dry powder onto the surface of the steel strip. The powder is then cured under heat, resulting in a durable and visually appealing coating. Powder coatings offer excellent resistance to corrosion and chemicals, as well as a wide range of color options. This technique is widely used in applications where aesthetic appeal is important, such as furniture, appliances, and architectural components. Painting, another commonly used technique, entails applying a liquid paint onto the surface of the steel strip, which subsequently dries to form a protective layer. Painting allows for a wide range of colors, finishes, and levels of protection against corrosion. However, it may not provide the same level of durability and resistance as other coating techniques, making it less suitable for harsh environments or heavy-duty applications. In conclusion, the response of steel strips to various surface coating techniques can vary. The choice of coating method depends on specific application requirements, such as corrosion resistance, durability, aesthetic appeal, and functionality. Each coating technique possesses its own advantages and limitations, necessitating careful consideration to select the most appropriate method for achieving the desired outcome.

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