Hot-dip Galvanized steel Coils and sheets

Hot-dip Galvanized steel Coils and sheets System 1

Hot-dip Galvanized steel Coils and sheets

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 10000 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 Pre-painted Galvanized steel Coil

• Excellent process capability

• Smooth and flat surface

• Workability, durability

• Excellent heat resistance performance

• High strength

• Good formability

• Good visual effect

3.Pre-painted Galvanized steel Coil Images

4. Pre-painted 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

Q: What is the lifespan of steel coils?: The lifespan of steel coils can vary depending on various factors such as the quality of the steel, the environment it is exposed to, and how well it is maintained. However, on average, steel coils can last anywhere from 10 to 30 years.

Q: How are steel coils used in the production of agricultural structures?: Steel coils are widely used in the production of agricultural structures due to their exceptional strength and durability. These coils, typically made of high-quality steel, are used in various applications throughout the agricultural industry. One of the primary uses of steel coils in agricultural structures is for the construction of buildings and storage facilities. Steel coils are used to create sturdy frameworks, supporting the walls and roof of these structures. The inherent strength of steel allows for the construction of large, open spaces without the need for excessive support columns, providing farmers with ample space to store their crops, machinery, and livestock. Additionally, steel coils are utilized in the manufacturing of agricultural equipment and machinery. Whether it is tractors, plows, harvesters, or irrigation systems, steel coils play a crucial role in the fabrication of these tools. The high tensile strength of steel ensures that these agricultural machines can withstand the demanding conditions of farming, such as heavy loads, rough terrains, and exposure to harsh weather elements. Furthermore, steel coils are also used in the production of fencing and enclosures for agricultural purposes. Whether it is to protect crops from animals or to create boundaries for livestock, steel coils are an essential component in constructing sturdy and reliable fences. The strength of steel ensures that these fences can withstand the pressure from animals, preventing them from breaking through and causing damage to the crops or escaping. In summary, steel coils are integral to the production of agricultural structures and equipment. Their strength, durability, and versatility make them an ideal material for constructing buildings, manufacturing machinery, and creating fences in the agricultural industry.

Q: How do steel coils contribute to the renewable energy sector?: Steel coils contribute to the renewable energy sector in several ways. Firstly, steel coils are used in the manufacturing of wind turbines. The towers of wind turbines are made of steel, and steel coils are used to fabricate the structural components of these towers. The high strength and durability of steel coils make them ideal for withstanding the harsh environmental conditions in wind farms. Moreover, steel coils are also used in the production of solar panels. Steel is used to create the frames and support structures that hold the solar panels in place. These frames need to be strong enough to withstand wind and weather conditions, and steel coils provide the necessary strength and stability. Furthermore, steel coils are used in the construction of transmission lines that carry electricity generated from renewable sources. Steel is widely used for the poles and towers that support these transmission lines, as it provides the necessary strength to bear the weight of the cables and withstand extreme weather conditions. In addition, steel coils play a crucial role in the manufacturing of energy storage systems. Renewable energy sources such as wind and solar are intermittent, and energy storage systems help to store surplus energy for later use. Steel coils are used in the fabrication of battery enclosures and racks, ensuring the safety and stability of these systems. Overall, steel coils contribute significantly to the renewable energy sector by providing the necessary strength, durability, and stability for various infrastructure components. Their use in wind turbines, solar panels, transmission lines, and energy storage systems helps to support the growth and development of renewable energy sources, making them an integral part of the transition towards a greener and more sustainable future.

Q: how many persent of manganese in all types of carbon steel: i think it is 1.65%...

Q: How do steel coils contribute to the marine industry?: Steel coils are a crucial component in the marine industry as they have various applications that contribute to the development, maintenance, and efficiency of marine vessels. Firstly, steel coils are used in the construction of ships and offshore platforms. Their high strength and durability make them ideal for the hull structure, ensuring the integrity and safety of the vessel, even in harsh marine environments. Additionally, steel coils are utilized in the fabrication of various marine equipment and components. For instance, they are used to manufacture propellers, shafts, and rudders, which are essential for steering and propelling ships. The use of steel coils in these parts ensures their resilience against the corrosive effects of seawater, thus increasing their lifespan and reducing maintenance costs. Moreover, steel coils are employed in the production of marine pipelines and oil rig infrastructure. These coils are transformed into pipes and tubes that are used in the transportation of oil, gas, and other fluids. The strength and corrosion resistance of steel coils are vital in ensuring the reliability and safety of these pipelines, as they need to withstand extreme pressure and exposure to saltwater. Steel coils also play a role in the marine industry's maintenance and repair processes. When a ship undergoes renovations or repairs, steel coils are often used to replace damaged or corroded sections of the vessel. The versatility of steel coils allows them to be molded and welded into various shapes and sizes, making them suitable for different repair applications. Overall, steel coils contribute significantly to the marine industry by providing the necessary strength, durability, and corrosion resistance for the construction, maintenance, and efficiency of marine vessels. Their applications in shipbuilding, component fabrication, pipeline construction, and repair processes make them indispensable to the development and sustainability of the marine industry.

Q: We bought a new fridge and the magnets don't stick to the front where the stainless steel is.: The stainless steel which dont exhibit magnetic properties are austenitic grades of steel.

Q: So, I'm doing this project for my chemistry class and I need to explain the raw materials in which paper slips are made of. I'm not really sure if galvanized steel is. If not, can someone PLEASE tell me what raw materials are metal paper clips made of???: As a specially coated type of steel, galvanized metal enjoys a great reputation as being an ideal building product to use for any type of structure that is expected to stand for many years. Here are some basics about how galvanized steel is created, as well as how it can be used in various building projects. Galvanized metal is simply steel in some form that has received a thin coating of zinc oxide. The purpose of the zinc is to protect the steel from elements that normally would lead to oxidation, corrosion and the eventual weakening of the steel. In this sense, the zinc coating acts as what is called a sacrificial anode. In other words, the zinc will protect the steel from corrosion by acting as a barrier between the steel and the corrosive agent, at least until the zinc coating has been completely oxidized. Galvanized metal can be made into supports, girders and even into sheets of metal that can be used in all sorts of construction and building projects.

Q: How are steel coils inspected for quality assurance?: Quality assurance for steel coils involves a rigorous process that includes various tests and checks to ensure their quality. Initially, a visual inspection is carried out to identify surface defects like scratches, dents, or rust, ensuring the coils are in good condition and free from obvious flaws. Afterward, a dimensional inspection is performed to verify the coils' dimensions and tolerances. This involves measuring their width, thickness, and length to ensure they meet the specified requirements. Any deviations from the standard dimensions are noted and addressed. Moreover, mechanical testing is conducted to assess the strength and durability of the steel coils. Tensile tests are performed to measure their strength and elasticity, while impact tests evaluate their ability to withstand sudden loads or shocks. Furthermore, chemical analysis is undertaken to determine the composition and purity of the steel. Samples are taken from the coils and analyzed in a laboratory to check for impurities or elements that could affect the quality. To comply with industry standards, non-destructive testing methods like ultrasonic testing or magnetic particle inspection may be used. These methods can detect internal defects or irregularities that may not be visible to the naked eye. Additionally, surface treatment inspections, such as galvanization or coating checks, may be performed to ensure the protective layers are applied correctly and meet the necessary specifications. In summary, the quality assurance process for steel coils includes visual, dimensional, mechanical, chemical, and non-destructive testing methods. These thorough inspections guarantee that the steel coils meet the required quality standards and are suitable for their intended applications.

Q: What are the environmental impacts of steel coil production?: The environmental impacts of steel coil production include emissions of greenhouse gases, such as carbon dioxide, during the process of extracting and processing raw materials like iron ore and coal. Additionally, the production of steel coils requires a significant amount of energy, contributing to the depletion of natural resources and increased carbon emissions. The wastewater generated during steel production can also contain pollutants, which may harm aquatic ecosystems if not properly treated. Furthermore, the disposal of steel coil waste, such as slag and other by-products, can pose challenges in terms of proper handling and potential contamination of soil and water sources. Overall, steel coil production has substantial environmental impacts that demand sustainable practices and mitigation measures.

Q: What are the different methods of coil flattening for steel coils?: Coil flattening for steel coils can be achieved through various methods, each having its own advantages and limitations. Some commonly employed techniques are as follows: 1. Roller leveling: By passing the steel coil through a series of rollers that exert pressure, this method flattens the coil. The rollers can be adjusted to achieve the desired level of flatness. Roller leveling is a versatile approach capable of handling a wide range of coil sizes and thicknesses. 2. Precision leveling: This method employs a more advanced leveling machine that applies pressure to specific areas of the coil to eliminate any waviness or defects. Precision leveling is commonly used for high-quality steel coils that require exceptionally flat surfaces. 3. Stretch leveling: Also known as tension leveling, this technique involves stretching the steel coil beyond its yield point, causing permanent deformation and flattening. Stretch leveling is frequently used for thinner gauge coils and effectively eliminates coil set and crossbow defects. 4. Temper rolling: This method subjects the steel coil to a controlled low-temperature heat treatment followed by cold rolling. The combination of heat and cold rolling helps relieve internal stresses and improve flatness. Temper rolling is particularly suitable for coils that require enhanced surface quality. 5. Laser flattening: This advanced method utilizes laser technology to selectively heat and flatten specific areas of the coil. Laser flattening is highly precise and capable of correcting localized defects or unevenness. However, due to its higher cost, it is typically used for smaller coils. It is essential to consider various factors, such as desired flatness requirements, coil dimensions, material properties, and production budget, when selecting the most appropriate coil flattening method.

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