Cold Rolled Steel Coil Prepainted /Prepainted Steel Rolled

Cold Rolled Steel Coil Prepainted /Prepainted Steel Rolled System 1

Cold Rolled Steel Coil Prepainted /Prepainted Steel Rolled

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 20 m.t.

Supply Capability:: 9000 m.t./month

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Product Description

PPGI sheet

1, Grade: SGCC, PPGI CGCC, SGLCC
2, Width: 800-1250mm
3, Thickness: 0.3-1.0mm
4, Color: ALL RAL

* Base Material: Al-Zn Galvanized Steel Coil. SGLCC
* Top side: 15-25 microns primer microns polyester.
* Back side: 5-8 microns primer epoxy.
* Width: 800-1, 250mm
* Thickness: 0.3 -1.0mm Thickness tolerance: +/- 0.02mm
* Al-Zn coating: 30-150g /sq. M. Or can be provided as clients' requirements
* Color: All RAL colour is available or customer supplying the sample
* Inner diameter of coil: 508mm&610mm.
* Packing: Standard seaworthy packing or according to user's need.
* Weight of each coil: 9 tons max
* Guarantee/ warranty
*Delivery time: Within 10-25 days.
Cold Rolled Steel Coil Prepainted /Prepainted Steel Rolled

FAQ

1. Is the sample available?
Yes, samples can be sent for test if you need.

Q: How do steel coils contribute to sustainable construction?: Steel coils contribute to sustainable construction in several ways. Firstly, steel is a highly durable and long-lasting material, which means that structures made from steel coils have a longer lifespan and require less maintenance and replacement over time. This reduces the amount of waste generated and resources consumed in the construction industry. Additionally, steel is a recyclable material, so steel coils can be easily recycled and reused, reducing the demand for new steel production and minimizing the environmental impact. Steel is also a lightweight material, which allows for more efficient transportation and installation, reducing energy consumption and greenhouse gas emissions. Finally, steel coils offer excellent structural strength, enabling the design of more sustainable and energy-efficient buildings with reduced material usage, increased energy efficiency, and improved safety. Overall, steel coils play a crucial role in promoting sustainability in construction through their durability, recyclability, lightweight nature, and structural benefits.

Q: What is the role of steel coils in the manufacturing of agricultural machinery?: Steel coils are used in the manufacturing of agricultural machinery to provide strength, durability, and structural integrity to the equipment. They are typically used to form the main body and framework of the machinery, ensuring it can withstand heavy loads, harsh environments, and repetitive use. Additionally, steel coils are often used to fabricate specific components, such as blades, cutting edges, and structural supports, which are crucial for the proper functioning of agricultural machinery in various farming operations.

Q: How are steel coils used in the production of electrical appliances?: Steel coils are used in the production of electrical appliances as the core material for transformers and motors. The coils are wound around an iron core to create electromagnetic fields that enable efficient energy transfer and power generation within these appliances.

Q: How are steel coils used in the manufacturing of automotive wheels?: Steel coils are used in the manufacturing of automotive wheels as a primary material for the wheel rims. The steel coils are shaped, cut, and welded to create the desired size and design of the wheel rim. They provide high strength and durability, ensuring the wheels can withstand the weight of the vehicle and the impact of road conditions.

Q: How are steel coils inspected for hardness?: Various methods are used to inspect the hardness of steel coils, ensuring their quality and suitability for specific applications. The Rockwell hardness test is a common method, involving the use of a diamond or ball indenter pressed into the coil's surface to measure indentation depth. The hardness value is then determined based on this measurement. Another method is the Brinell hardness test, which uses a hardened steel or tungsten carbide ball indenter to create an indentation on the coil's surface. The diameter of the indentation is measured, and the hardness value is calculated using a formula that considers the applied load and indentation diameter. On the other hand, the Vickers hardness test utilizes a pyramidal diamond indenter to create an indentation on the coil's surface. The lengths of the indentation diagonals are measured, and the hardness value is calculated using a formula that takes into account the applied load and diagonal lengths. In addition to these traditional methods, modern technology has introduced non-destructive testing techniques such as ultrasonic testing and eddy current testing. Ultrasonic testing involves transmitting ultrasonic waves through the coil and measuring the time it takes for the waves to return. Changes in the wave pattern can indicate variations in hardness. Eddy current testing, on the other hand, uses electromagnetic induction to detect changes in electrical conductivity, which can be correlated to hardness variations in the steel coil. Overall, steel coils undergo thorough inspection using a combination of traditional and advanced techniques to ensure their hardness meets the required specifications. These inspections are vital in maintaining the quality and dependability of steel products in various industries.

Q: I am working on a hydrogen generator, but the stainless steel I am using corrodes and turns the water brown. Can anyone tell me if there is stainless steel that does not corrode, and if so, what is it called and where can I get some.Thank you.: Look okorder /

Q: What is the process of galvanizing steel coils?: The process of galvanizing steel coils involves several steps to enhance their durability and protect them from corrosion. Firstly, the steel coils are cleaned thoroughly to remove any dirt, oil, or other impurities that may be present on the surface. This is done through an acid pickling process, where the coils are immersed in a bath of diluted acid solution or treated with a chemical cleaner. This step ensures that the surface of the coils is free from any contaminants, allowing for better adhesion of the zinc coating. After the cleaning process, the coils are rinsed to remove any remaining acid or cleaner. This is crucial to prevent any adverse reactions with the next step of the process. The next step is the actual galvanization, where the cleaned coils are dipped into a bath of molten zinc. The coils are carefully passed through the zinc bath using rollers or other mechanisms to ensure that the entire surface is coated evenly. The zinc bath is maintained at a specific temperature, typically around 450°C (842°F), which allows the molten zinc to bond with the steel surface. As the coils are withdrawn from the zinc bath, excess zinc is removed by passing them through air knives or by centrifugal spinning. This helps to control the thickness of the zinc coating and ensure a uniform appearance. Once the galvanization process is complete, the steel coils are cooled down gradually to room temperature. This allows the zinc coating to solidify and bond firmly with the steel surface, creating a protective barrier against corrosion. The final step in the process is inspection and quality control. The galvanized steel coils are inspected for any defects, such as uneven coating or areas with insufficient zinc coverage. This is usually done visually or through specialized equipment that can detect any anomalies. Additionally, the coating thickness is measured to ensure it meets the required specifications. Overall, the process of galvanizing steel coils is designed to enhance their longevity and protect them from rust and corrosion. By applying a layer of zinc coating to the steel surface, the coils become more resistant to environmental factors, making them suitable for a wide range of applications in various industries.

Q: What are the different grades of steel used for manufacturing coils?: Manufacturing coils requires the use of various grades of steel, each selected for their specific properties and suitability for different purposes. Some commonly used grades include low carbon steel, high carbon steel, stainless steel, galvanized steel, and alloy steel. Low carbon steel, also known as mild steel, is a cost-effective option with good formability. It is ideal for applications that require low strength and high ductility, such as automotive components and construction materials. High carbon steel is characterized by its exceptional strength and hardness. It is commonly employed in the production of coils that demand high tensile strength, like springs and wires. Stainless steel, an alloy with a high chromium content, offers corrosion and oxidation resistance. It is often utilized in the manufacturing of coils for the food industry, medical equipment, and automotive applications. Galvanized steel, on the other hand, is steel coated with a layer of zinc to safeguard it against corrosion. It is frequently used in the production of coils that will be exposed to harsh environmental conditions or require excellent durability, such as roofing materials and electrical appliances. Alloy steel, formed by adding elements like manganese, nickel, chromium, or molybdenum to carbon steel, exhibits improved strength, hardness, and resistance to wear and corrosion. It finds wide application in industries that necessitate high strength and toughness, such as aerospace and automotive. Choosing the appropriate grade of steel is crucial to ensure optimal performance and longevity of the coils, as it is essential to match the specific requirements of the application.

Q: Steel is strong in both tension and compression. Concrete is only strong in compression, and is very fragile in tension. Plus, concrete is heavy--a huge drawback in, say, a bridge deck. And its fairly expensive. And it hides the condition of the steel embedded within it. So what does it bring to the table? Why use it at all?: Pre stressed concrete is held in compression by the steel cables within.

Q: How are steel coils used in the manufacturing of metal structures?: Steel coils are used in the manufacturing of metal structures as they provide a convenient and efficient way to shape and form steel into various components. These coils are often processed through rolling mills to produce sheets or plates, which can then be cut, bent, or welded to create structural elements such as beams, columns, and trusses. The use of steel coils ensures uniformity, strength, and flexibility in the manufacturing process, allowing for the production of durable and reliable metal structures.

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