Color Coated Steel Coil/PPGI Prepainted galvanized Steel Coil (PPGI/PPGL) /SGCC/Roofing steel
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 10000 m.t./month
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Quick Details
Standard: | AISI,ASTM,GB,JIS | Grade: | CGCC, DX51D | Thickness: | 0.25-0.8MM |
Place of Origin: | Zhejiang China (Mainland) | Brand Name: | CNBM | Type: | Steel Coil |
Technique: | Cold Rolled | Surface Treatment: | Coated | Application: | Roofing |
Special Use: | Silicon Steel | Width: | 800-1250MM | Color: | Ral or according to sample |
Packaging & Delivery
Packaging Detail: | color steel coil STANDARD EXPORT SEAWORTHY PACKING |
Delivery Detail: | 25 DAYS AFTER DOWN PAYMENT |
Specifications
color steel coil
Prime Quality, Quick Delivery, Competitive Price
Prepainted Galvanized Steel Coil (PPGI/PPGL)
Base material: Hot dipped galvanized steel
Width: available from 800MM to 1250MM
Width Tolerance: within 0.02MM
Thickness: available from 0.18MM to 0.80MM
Thickness Tolerance: within 0.15MM
Performance: Smooth or Matte
Color: according to RAL standard
Lacquer Coating thickness: according to customer needs
Supply capacity: 8,000 Metric Ton per month
Our products has good performance on combining force and anti-erosion. We offer fine quality products and best price for our international customers.
COLOR COATING LINE
A Dual Uncoiler
B Stitcher
C Bridles
D Entry Accumulater
E Degreasing & Chemical Section
F Prime Coater
G Prime Oven
H Prime Water Quench
I Finish Coating
J Finish Back Coater
K Finish Oven
L Finish Water Quench
M Exit Accumulater
N Recoiler
- Q: How are steel coils used in the packaging industry?
- Steel coils are used in the packaging industry to create sturdy and durable packaging materials, such as metal drums, cans, and containers. The coils are unwound and shaped into the desired form, providing a strong and protective barrier for various products during storage and transportation.
- Q: How are steel coils coated?
- Steel coils are coated through a process called coil coating, where the steel is cleaned, treated, and then coated with a protective layer using techniques such as roll coating or spray coating.
- Q: How are steel coils used in the production of steel hooks?
- Steel coils are used in the production of steel hooks as they provide the raw material needed for shaping, forming, and manufacturing the hooks. The coils are unwound, processed, and then transformed into the desired shape and size to create the steel hooks.
- Q: Steel seems to be much less expensive. What is the reason why? I've heard steel will ruin a barrel after time....is that true? But with the price difference maybe it don't matter? Is steel reliable? What are the negatives about steel I should know before buying?
- Steel is a far more common thus cheaper metal than brass which is made of copper and zinc. The steel case stays in the firing chamber so does not do a thing to the barrel. It does have a different coefficient of expansion and when the gun gets hot it could jam in the chamber more than brass. Some of the steel has a lacquer coating on it that could gum up the works. The biggest disadvantage with steel is that as it is worked it gets weaker so reloading it is not real practical as you will get a lot of blown cases and head separations. In the long run you come out ahead buying brass and reloading than you do buying steel and throwing it away.
- Q: How are steel coils processed and treated?
- To ensure the quality and suitability of steel coils for different applications, they undergo a series of steps and treatments. Initially, the coil is uncoiled by removing its protective wrapping and unwinding it. Any defects like cracks or uneven surfaces are then inspected. Next, the coil is cleaned to eliminate dirt, oil, and rust using chemical agents and mechanical scrubbing. After cleaning, it is rinsed and dried to prevent corrosion caused by residual moisture. Once cleaned, the steel coil may be treated based on its intended use. One common treatment is pickling, where the coil is immersed in an acidic solution to remove impurities and scale. This improves the surface finish and prepares the steel for further processing. After pickling, the coil can undergo cold rolling, which reduces its thickness and improves dimensional accuracy. This is done by passing the steel through a series of rollers at room temperature, gradually decreasing thickness and increasing strength. It also improves the surface finish. In some cases, the coil may undergo additional heat treatments like annealing or tempering. Annealing involves heating the coil to a specific temperature and slowly cooling it to relieve internal stresses and improve mechanical properties. Tempering, on the other hand, involves reheating the coil to a lower temperature and rapidly cooling it to enhance strength and toughness. Once the desired processing and treatments are completed, the steel coil may be coated or painted for added protection against corrosion or to enhance its appearance. Coating processes can include hot-dip galvanizing, electroplating, or applying organic coatings like paint or powder coatings. Finally, the processed and treated steel coils are cut into specific sizes or shapes according to customer requirements. This can be done using cutting methods such as shearing, slitting, or sawing. Overall, the processing and treatment of steel coils involve 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: What are the different methods of levelling steel coils?
- There are several methods of leveling steel coils, including roller leveling, stretcher leveling, and temper leveling.
- Q: How are steel coils transported internationally?
- Steel coils are typically transported internationally by sea, as they are usually too heavy and bulky to be transported by air. The most common method of transportation is by using specialized shipping containers known as flatracks or open-top containers. These containers allow for easy loading and unloading of the steel coils onto the vessel. Before transportation, the steel coils are usually securely strapped or banded together to prevent any movement or damage during transit. They are then loaded onto the flatracks or open-top containers using cranes or forklifts. The coils are carefully placed and secured onto the containers to ensure stability and to prevent shifting during the journey. Once loaded, the containers are sealed and transported to the nearest port, where they are loaded onto cargo ships. These ships are specifically designed to transport heavy and oversized cargo. They are equipped with specialized handling equipment such as cranes and ramps to facilitate the loading and unloading of the containers. During the journey, the cargo ships follow predetermined shipping routes to reach the destination port. The duration of the journey depends on the distance between the origin and destination ports. Steel coils are typically transported in large quantities, so multiple containers may be loaded onto a single ship. Upon arrival at the destination port, the containers are unloaded from the cargo ship using cranes or ramps. The steel coils are then carefully removed from the containers and transported to their final destination, which may involve further transportation by road or rail. Throughout the transportation process, it is crucial to ensure that the steel coils are adequately protected from moisture, corrosion, and other potential damages. Special attention is paid to the handling and stowage of the coils to minimize the risk of any structural damage or deformation. In summary, steel coils are transported internationally by sea using specialized shipping containers. The coils are securely loaded onto flatracks or open-top containers, which are then transported by cargo ships to the destination port. Proper handling and stowage techniques are employed to ensure the safe and secure transportation of the steel coils.
- Q: What is the difference between hot-rolled and cold-rolled steel coils?
- The main difference between hot-rolled and cold-rolled steel coils lies in the production process. Hot-rolled steel coils are made by heating the steel above its recrystallization temperature, causing it to become malleable and allowing it to be rolled into the desired shape. This process results in a thicker and less precise product with a rough surface. On the other hand, cold-rolled steel coils are made by cooling the hot-rolled steel and then passing it through rollers at room temperature. This process enhances the steel's strength, durability, and dimensional accuracy, resulting in a thinner and smoother product that is ideal for applications requiring precision.
- Q: What are the common methods of inspecting steel coils for quality control?
- Steel coils are inspected for quality control purposes using various methods. These methods involve visual inspection, dimensional measurement, and non-destructive testing. To inspect steel coils, visual inspection is a commonly used and straightforward method. This entails visually examining the surface of the coils for any visible defects such as scratches, dents, or discoloration. Visual inspection also includes checking the labeling, packaging, and identifying signs of corrosion or damage. Another crucial method to ensure quality is dimensional measurement. This involves measuring different dimensions of the coils, such as thickness, width, and length, to ensure they meet the required specifications. Tools like calipers, micrometers, or laser measurement devices can be utilized for dimensional measurement. Non-destructive testing (NDT) techniques are also widely employed in steel coil inspection. NDT methods enable the detection of internal and surface defects without causing damage to the material. Ultrasonic testing is a common NDT technique used for steel coil inspection. It works by sending high-frequency sound waves through the coil and analyzing the reflected waves to identify any defects. In addition, magnetic particle testing and dye penetrant testing are used to detect surface cracks or defects in the coils. Apart from these methods, other quality control practices may include chemical analysis to ensure the steel's composition meets the required standards, mechanical testing to assess the strength and hardness of the material, and corrosion testing to evaluate the coils' resistance to corrosion. In summary, a combination of visual inspection, dimensional measurement, and non-destructive testing techniques is typically employed to ensure the quality and integrity of steel coils during the quality control process.
- Q: What are the different types of steel coil grades?
- There are several different types of steel coil grades used in various industries and applications. Some of the most common steel coil grades include: 1. Carbon Steel: This is a basic type of steel that contains mostly iron and carbon. It is widely used in construction, automotive, and manufacturing industries due to its high strength and durability. 2. Stainless Steel: This type of steel contains chromium, which provides corrosion resistance and makes it suitable for applications that require resistance to oxidation and staining. It is commonly used in the food processing, chemical, and medical industries. 3. High-Strength Low-Alloy (HSLA) Steel: HSLA steel contains small amounts of alloying elements such as copper, phosphorus, niobium, and vanadium. This type of steel offers higher strength and better mechanical properties compared to carbon steel, making it suitable for structural applications. 4. Galvanized Steel: Galvanized steel is coated with a layer of zinc to protect it from corrosion. It is commonly used in outdoor applications, such as roofing, fencing, and automotive parts. 5. Electrical Steel: Also known as silicon steel, electrical steel has high magnetic permeability, low electrical conductivity, and low core loss. It is used in the production of transformers, motors, and other electrical equipment. 6. Tool Steel: Tool steel is a high-carbon steel that is specifically designed for making tools and dies. It has excellent hardness, wear resistance, and toughness, making it suitable for cutting, forming, and shaping materials. These are just a few examples of the different types of steel coil grades available. Each grade has its own unique properties and characteristics, making it suitable for specific applications in various industries.
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Color Coated Steel Coil/PPGI Prepainted galvanized Steel Coil (PPGI/PPGL) /SGCC/Roofing steel
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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