PPGI Color Coated Galvanized Steel Coil Prime Quality

PPGI Color Coated Galvanized Steel Coil Prime Quality System 1

PPGI Color Coated Galvanized Steel Coil Prime Quality

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 200 m.t.

Supply Capability:: 10000 m.t./month

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2.Main Features of the Pre-Painted Galvanized/Aluzinc 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/Aluzinc Steel Coil Images

PPGI Color Coated Galvanized Steel Coil Prime Quality

4.Pre-Painted Galvanized/Aluzinc Steel Coil Specification

Standard: AISI, ASTM, BS, DIN, GB, JIS

Grade: DX51D, DX52D

Thickness: 0.17-2.0mm

Brand Name: KMRLON

Model Number: coil

Type: Steel Coil

Technique: Cold Rolled

Surface Treatment: Coated

Application: Boiler Plate

Special Use: High-strength Steel Plate

Width: 20-1250mm

Length: customized

commoidty: pre-painted galvanized steel coil

Thickness: 0.13-4.0mm

width: 20-1250mm

zinc coating: 40-180g/m2

printing thickness: top side: 20+/-5 microns, back side: 5-7 microns

color: all RAL color

surface treatment: color coated

coil weight: 4-7 tons

coil ID: 508/610mm

packaging: standard seaworthy packing

5.FAQ of Pre-Painted Galvanized/Aluzinc Steel Coil

1. What’s the application of this product?

Roof, roof structure, surface sheet of balcony, frame of window, etc.

2. What’s the brand of the paint?

We use the best brand of all of the word—AKZO.

3. How about your company？

A world class manufacturer & supplier of castings forging in carbon steel and alloy steel，is one of the large-scale professional investment casting production bases in China,consisting of both casting foundry forging and machining factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,America and Japan. OEM casting and forging service available according to customer’s requirements.

4. How to guarantee the quality of the products？

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.

5. How long can we receive the product after purchase?

Usually within thirty working days after receiving buyer’s advance payment or LC. We will arrange the factory manufacturing as soon as possible. The cargo readiness usually takes 15-25 days, but the shipment will depend on the vessel situation.

Q:How are steel coils processed and treated?: Steel coils are processed and treated through a series of steps to ensure their quality and suitability for various applications. The process begins with uncoiling the steel coil, which involves removing the outer layers of protective wrapping and unwinding the coil. Once uncoiled, the steel is inspected for any defects, such as cracks or uneven surfaces. Next, the steel coil goes through a cleaning process to remove any dirt, oil, or rust present on its surface. This is typically done using a combination of chemical cleaning agents and mechanical scrubbing. After cleaning, the coil is rinsed and dried to prevent any residual moisture from causing corrosion. Once cleaned, the steel coil can undergo various treatments depending on its intended use. One common treatment is pickling, which involves immersing the coil in an acidic solution to remove impurities and scale. This process helps to improve the surface finish and prepares the steel for further processing. After pickling, the coil may be subjected to cold rolling, a process that reduces its thickness and improves its dimensional accuracy. Cold rolling involves passing the steel through a series of rollers at room temperature, gradually reducing its thickness and increasing its strength. This process also improves the surface finish of the steel coil. In some cases, the steel coil may undergo additional heat treatment processes, such as annealing or tempering. Annealing involves heating the coil to a specific temperature and then slowly cooling it, which helps to relieve internal stresses and improve its mechanical properties. Tempering, on the other hand, involves reheating the coil to a lower temperature and then cooling it rapidly. This process enhances the strength and toughness of the steel. Once the desired processing and treatments are complete, the steel coil may be coated or painted to provide additional protection against corrosion or to enhance its aesthetic appearance. Coating processes can include hot-dip galvanizing, electroplating, or applying organic coatings such as paint or powder coatings. Finally, the processed and treated steel coils are typically cut into specific sizes or shapes based on customer requirements. This can be done using various cutting methods such as shearing, slitting, or sawing. Overall, the processing and treatment of steel coils involve a combination of cleaning, pickling, rolling, heat treatment, coating, and cutting processes. These steps are carefully carried out to ensure the quality, strength, and suitability of the steel for its intended applications.

Q:I have one and wonder how much force this can take since it does seem like you can bend it(Sure it's impossible with hands), but I don't want to try that cause i don't want to break it. Many people say that it's really hard and can handle a hammer smash? is that true and can it even make it through more force. Cause steel is harder than iron and iron is pretty hard... So how much can i trust this locks security, i mean if i put at at a door would some thiefes be able to break it, if they had the right tools??: any pair of larger bolt cutters would whack right thru that lock brother. use it, but put a backup lock on somewhere else too. thx for the pic!

Q:How are steel coils used in the production of automotive stampings?: Steel coils are used in the production of automotive stampings as they provide a continuous and uniform supply of raw material. These coils are fed into stamping machines where they are cut, shaped, and formed into various automotive components such as body panels, chassis parts, and structural reinforcements. The use of steel coils ensures efficient and consistent production, resulting in high-quality automotive stampings that meet industry standards for strength, durability, and precision.

Q:How do steel coils compare to other materials in terms of cost?: Steel coils are generally more cost-effective compared to other materials. Steel is a widely available and abundant material, which makes it relatively inexpensive to produce. Additionally, steel coils have a longer lifespan and require minimal maintenance, reducing overall costs in the long run. The durability and strength of steel also make it an ideal choice for various applications, further enhancing its cost-effectiveness. When compared to materials like aluminum or copper, steel coils tend to be more affordable, making them a preferred choice for many industries.

Q:What are the different methods of steel coil surface cleaning?: There are several methods of steel coil surface cleaning, including mechanical cleaning, chemical cleaning, and high-pressure water cleaning. Mechanical cleaning involves using abrasive materials or brushes to physically remove dirt, rust, and other contaminants from the surface. Chemical cleaning uses various chemicals or solvents to dissolve or loosen the contaminants, making them easier to remove. High-pressure water cleaning involves spraying water at a high pressure to dislodge and wash away the dirt and debris. These methods can be used individually or in combination, depending on the level of cleanliness required and the specific condition of the steel coil.

Q:How do steel coils compare to other materials, such as aluminum or copper?: Steel coils have several advantages over other materials such as aluminum or copper. Steel is stronger and more durable, making it an excellent choice for applications that require high tensile strength and resistance to wear and tear. Additionally, steel coils have a higher melting point than aluminum, making them more suitable for high-temperature environments. Copper, while a good conductor of electricity, is generally more expensive than steel and may not offer the same level of strength and versatility. Overall, steel coils are a cost-effective and reliable option for various industrial and construction purposes.

Q:How do steel coils contribute to thermal insulation in buildings?: Steel coils do not directly contribute to thermal insulation in buildings. Steel coils are typically used in the construction of structures and for various applications, but they do not have inherent thermal insulation properties. Other materials such as insulation boards, panels, or foams are commonly used for thermal insulation in buildings.

Q:I have some steel wool and a charged 9V Battery, when I connect 2 wires to the battery, then touch the wool with the ends of the wires the wool instantly starts burning, but when I connect 2 wires to the piece of steel wool (a new piece not same one of course) and touch the battery with the ends of the wire nothing happens (see image...): What's happening in the first case is that the initial contact of the wire to the steel wool is not very good and there is a high resistance as the touch is made and there is probably a slight spark that starts the steel wool burning. Now it is even harder to make good contact and the process continues. In the second case there is initially a good contact to the steel wool and there is no spark when the circuit is completed at the battery. It would be difficult to cause the heating and the spark at a distance unless you had a way to remotely cause the wire to lightly touch the steel wool. A gas lighter which uses a flint to create a spark is good for igniting a gas burner which will continue to burn by itself, but probably wouldn't cause the steel wool to burn without the energy coming from the battery to keep it going. Steel wool WILL continue to burn if it's in a pure oxygen atmosphere. You might try hooking the battery up to the steel wool as in the second case and using a spark lighter to start some burning close to one of the wire connections to see if the extra battery power might keep the burning going.

Q:How are steel coils used in the production of steel doors?: Steel coils are used in the production of steel doors by being processed and shaped into sheets, which are then cut and formed to create the desired door components. These coils provide the raw material for manufacturing steel doors, ensuring their strength, durability, and structural integrity.

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.

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