Pre-painted Galvanized/Aluzinc Steel Sheet Coil with Prime Quality and Lowest Price

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 100 m.t.

Supply Capability:: 10000 m.t./month

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1.Structure of Pre-painted Galvanized/Aluzinc Steel Coil Description

With GI (aluzinc) as base metal, after pretreatment (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 (aluzinc) steel. Pre-painted galvanized steel is good capable of decoration, molding, corrosion resistance. It generally displays workability, durability and weather resistance.

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

• Excellent corrosion resistance

• Excellent weather resistance

• Capability of decoration, molding, corrosion resistance

• Workability, durability

• Excellent heat resistance performance

• High strength

• Good formability

• Good visual effect

3.Pre-painted Galvanized/Aluzinc Steel Coil Images

Pre-painted Galvanized/Aluzinc Steel Sheet Coil with Prime Quality and Lowest Price ‍‍

4.Pre-painted Galvanized/Aluzinc Steel Coil Specification

Quality standar: JIS G3312 CGCC & CGLCC
Hardness of P: Both soft and hard quality are available

Surface finish: with or without protect film
Thickness : 0.14-1.20 mm
Width : 914mm, 1000mm, 1220mm and 1250mm, thickness 600-1250mm is available
Finish by coil or sheet: Both sheet and coil are available
8Zinc coating: 60-275G/M2, both sides
Paint thickness for top side : 5 micron primer + (10-20) microns modified polyester, any RAL color code.
Paint thickness for back side: (5-10) microns Epoxy
Weight per coil: 4-6 tons, also can be upon customer's requirements

Max loading weight in one 20ft container : 25 tons generally

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

We have organized several common questions for our clients，may help you sincerely：

1. What is the minimum order quantity ?

Our MOQ is 50mt for each size. And we will consider to give more discount if you make big order like 1000 tons and more. Further more, the more appropriate payment term your offer the better price we can provide.

2. 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.

3. 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.

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Q: How do steel coils contribute to the marine equipment industry?: Steel coils play a crucial role in the marine equipment industry by providing the necessary raw material for the construction of various marine equipment and structures. These coils, which are typically made of high-strength steel, offer several key contributions to the industry. Firstly, steel coils are used in the manufacturing of ships and boats. The high strength and durability of steel make it an ideal material for constructing the hulls, decks, and other structural components of vessels. Steel coils are employed to fabricate these parts, ensuring the necessary strength and integrity to withstand the harsh marine environment, including corrosion, waves, and impact. Furthermore, steel coils are essential in the production of offshore structures such as oil rigs, drilling platforms, and wind turbines. These structures require robust materials capable of withstanding extreme weather conditions, heavy loads, and corrosive saltwater. Steel coils provide the necessary strength and corrosion resistance needed for these applications, ensuring the safety and longevity of offshore installations. Steel coils also contribute to the marine equipment industry by being utilized in the construction of various marine components and equipment. For instance, steel coils are used in the fabrication of propellers, shafts, and other propulsion systems. The high strength-to-weight ratio of steel makes it an excellent choice for these critical components, ensuring efficient propulsion and maneuverability of ships and boats. Moreover, steel coils are employed in the manufacturing of marine equipment such as cranes, winches, and lifting systems. These equipment pieces require sturdy materials capable of withstanding heavy loads and continuous use. Steel coils provide the necessary strength and durability for these applications, ensuring safe and efficient operations in the marine industry. In summary, steel coils contribute significantly to the marine equipment industry by providing the necessary raw material for the construction of ships, offshore structures, marine components, and equipment. The high strength, durability, and corrosion resistance of steel make it an ideal choice for withstanding the harsh marine environment. Without steel coils, the marine industry would face challenges in building robust and reliable marine equipment and structures.

Q: What is the difference between galvanized and galvalume steel coils?: Galvanized and galvalume steel coils are both types of steel coils that have undergone a coating process to enhance their durability and resistance to corrosion. However, there are distinct differences between the two. Galvanized steel coils are coated with a layer of zinc. This coating provides excellent corrosion resistance and protects the underlying steel from rust and other forms of deterioration. The zinc coating also acts as a barrier against moisture and prevents the steel from coming into direct contact with the elements. Galvanized steel coils are commonly used in applications where corrosion resistance is crucial, such as in construction, automotive manufacturing, and agricultural equipment. On the other hand, galvalume steel coils are coated with a combination of zinc and aluminum. This unique coating composition provides enhanced corrosion resistance compared to galvanized steel coils. The aluminum in the coating acts as a sacrificial anode, offering additional protection to the steel by sacrificially corroding instead. This sacrificial protection mechanism helps the underlying steel to remain intact and prevents the spread of corrosion even if the coating is damaged. Galvalume steel coils are often used in environments where extreme weather conditions and high humidity are prevalent, making them suitable for roofing, siding, and other outdoor applications. In summary, the main difference between galvanized and galvalume steel coils lies in the composition of their coatings. Galvanized steel has a zinc coating, while galvalume steel has a combination of zinc and aluminum. Galvalume steel offers superior corrosion resistance due to the sacrificial protection provided by the aluminum in the coating. The choice between the two depends on the specific application and the level of corrosion resistance required.

Q: How are steel coils used in the production of steel connectors?: Steel coils are used in the production of steel connectors as they serve as the primary raw material. The coils are unrolled and then processed through various manufacturing techniques, such as cutting, stamping, and bending, to shape them into the desired connector forms. These connectors are crucial components used to join different steel structures together, ensuring strength, stability, and structural integrity in various applications like construction, automotive, and engineering industries.

Q: I'm trying to put together a small structure using galvanized steel electrical conduit (3/4) and I can't seem to find a T-junction conduit coupler anywhere. I'm wondering if I could weld the tubing together, but I'm not sure if I can weld galvanized steel. Also, if I can weld them, is there any special technique that I need to use outside of regular acetelene/oxygen torch and solder?: This Site Might Help You. RE: Can you weld galvanized steel? I'm trying to put together a small structure using galvanized steel electrical conduit (3/4) and I can't seem to find a T-junction conduit coupler anywhere. I'm wondering if I could weld the tubing together, but I'm not sure if I can weld galvanized steel. Also, if I can...

Q: How are steel coils processed for further use?: Steel coils are typically processed for further use through a series of steps. First, the coils are uncoiled and fed into a machine that straightens and levels them. Then, the steel is cut into the desired length and width. Next, the edges are trimmed and any defects are removed. The coils are then cleaned, treated, and coated to enhance their corrosion resistance and appearance. Finally, the processed coils are either stored or transported to manufacturers who transform them into various products such as automotive parts, appliances, construction materials, and more.

Q: What are the safety precautions to be followed while handling steel coils?: When handling steel coils, it is important to follow certain safety precautions to prevent accidents and injuries. Here are some safety precautions to be followed: 1. Personal Protective Equipment (PPE): Always wear appropriate PPE, such as safety glasses, gloves, steel-toed boots, and hard hats. These items will protect you from potential hazards like falling objects, sharp edges, and chemicals. 2. Proper Lifting Techniques: Use proper lifting techniques to prevent strains and back injuries. Lift with your legs, not your back, and avoid twisting or jerking motions while handling the coils. If the coils are too heavy or awkward to lift manually, use mechanical lifting equipment like forklifts or cranes. 3. Secure Storage: Store steel coils in a secure and stable manner to prevent them from falling or rolling over. Use proper racks, shelves, or storage containers designed specifically for steel coils. Ensure that the storage area is clean, organized, and free from obstructions. 4. Handling Tools: Use appropriate handling tools like coil hooks, lifting clamps, or coil tongs to securely grip the steel coils. Avoid using makeshift or improper tools, as they can cause the coils to slip, resulting in accidents. 5. Secure Transportation: When transporting steel coils, ensure they are properly secured on the truck or flatbed. Use appropriate tie-downs, straps, or chains to prevent the coils from shifting or falling during transit. Follow all transportation regulations and guidelines to ensure safe transportation. 6. Awareness of Surroundings: Be aware of your surroundings and the presence of other workers or equipment in the area. Maintain a safe distance from moving machinery, forklifts, or other vehicles to avoid collisions or accidents. 7. Hazard Communication: Ensure that all employees handling steel coils are trained on proper safety procedures and understand the potential hazards involved. Display safety signs or labels to indicate the presence of heavy loads or hazardous materials. 8. Regular Maintenance: Regularly inspect and maintain equipment, such as lifting devices or storage racks, to ensure they are in good working condition. Report any defects or malfunctions to the appropriate personnel for prompt repairs. By following these safety precautions, you can minimize the risk of accidents, injuries, and damage when handling steel coils. It is important to prioritize safety in order to protect yourself and your coworkers in the workplace.

Q: How are steel coils used in the construction of buildings?: Steel coils are used in the construction of buildings primarily for their strength and durability. These coils are typically formed into beams, columns, and other structural components, providing a sturdy framework. Additionally, steel coils can be shaped into sheets or plates used for roofing, walls, and flooring, offering excellent resistance to weather and fire. Overall, steel coils play a crucial role in ensuring the stability and longevity of buildings.

Q: What are the common surface treatments for galvanized steel coils?: The common surface treatments for galvanized steel coils include passivation, chromate coating, and oiling. Passivation is a process where a thin layer of protective material, such as zinc phosphate or chromate, is applied onto the galvanized steel surface. This layer helps to enhance the corrosion resistance of the steel by providing a barrier against moisture and atmospheric elements. Passivation also improves the adhesion of subsequent coatings or paints that may be applied to the steel. Chromate coating, also known as chromating or chromate conversion coating, involves the application of a thin layer of chromate onto the galvanized steel surface. This coating provides an additional layer of protection against corrosion and improves the appearance of the steel. Chromate coatings can be clear or colored, depending on the desired aesthetic. Oiling is another common surface treatment for galvanized steel coils. This involves the application of a thin layer of oil onto the surface of the steel, which helps to prevent the formation of rust and corrosion during storage and transportation. Oiling also provides temporary protection against moisture and other environmental factors until the steel is further processed or used in its final application. These surface treatments are commonly used to enhance the performance, durability, and appearance of galvanized steel coils, ensuring that they can withstand harsh conditions and maintain their quality over time.

Q: Are they made using the same processes, or is tempered steel made without the quenching process?: No. Not quite. The term 'Hardened steel' is often used to refer to 'Heat treated steel'. There are two separate steps in heat treatment. First the red hot steel is 'quenched' (rapidly cooled). This yields maximum hardness ,but the steel may be too brittle for the intended purpose. The next stage, 'tempering' is heating to a limited temperature, and slow cooling. This reduces the hardness somewhat, depending on the re-heat temperature, but restores some of the toughness lost in the first stage.

Q: A 100 kg solid steel ball with a radius of 5 m is being spun on ice with an angular velocity of 5 rev/s pointed into the ice (clockwise rotation when viewed from above).A student shoots a 10 kg marble at the steel ball. The marble hits the ball along its side as shown with an initial velocity of 5 m/s to the left. If, right after the collision, the final velocity of the marble is 2.5 m/s to the left, what is the angular velocity of the steel ball after the collision?: You need to do conservation of angular momentum about the steel ball's axis. Angular momentum = I.ω The steel ball's initial ω = 5 rev/s = 5*2pi rad/s = 31.4 rad/s The steel ball's moment of inertia I = (2/5)*m*r^2 = 40*25 kg.m^2 = 1000 kg.m^2 The marble's initial ω = v / r where r is the perpendicular distance from the steel ball's axis You need to look at the diagram for this. The marble's I about the steel ball's axis is I = m*r^2 where r is the same as above. (marble is treated as a point mass). Then work out the total initial ang. momentum = final ang. momentum and solve for ω...

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