HDGI/GI Hot-Dipped Galvanized Steel Sheet in Coil/GI Coil/G550/G90
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 m.t.
- Supply Capability:
- 500 m.t./month
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The main technology of Galvanized steel sheet is proceeding by the chemistry degrease and electroanalysis with the cold rolled steel coil and sheet ,clean the oils on the surface of steel, sufficiently heated to the proper temperature for zinc coating, pass by level up, strain rectify , and then passivation or annoit etc.. Hot dip zinc is in order to improve anti-erode and prolong the usage period of material, at the same time it can beautify the surface and add arty.
Our hot dip galvanized steel sheet is widely used in such field as light industry, electrical home appliances, motorcar and construction.
Base material: |
cold rolled steel coil hot roll steel coil |
Steel type: | low carbon mild steel, extra lower carbon mild steel, low alloy steel, high strength steel |
Zinc coating weight: | 60-275g/m2, Al-Zn: 60-180g/m2 |
Thickness: | 0.15-1.5mm |
Width: | 20-1250mm |
Internal Diameter: | 508mm, 610mm |
Quality standard: | EN10142, EN10326, EN10169,JIS3302, ASTMA755M, GB/T12754 |
Steel Grade | DX51D, DX52D, DX53D, S220GD, S250GD, SGCC |
Surface Finish: | Normal spangle, Minimized spangle ,Skin-passed spangle, No spangle |
Surface Treatment: | Chromate-passivated (C),Oiled (O),Chromate-passivated + Oiled (C+O),Untreated (U),Anti-finger treatment,Phosphate treated(P) |
Weight of coil: | 1-8 MT |
Package method | Vertical, Horizontal |
- Q: What are the common methods of packaging steel coils for transportation?
- There exists a variety of conventional techniques for packaging steel coils for transportation. One frequently employed approach involves the utilization of steel strapping or bands to fasten the coils together. This method entails tightly encircling the coils with steel bands and securing them using metal buckles or seals. The strapping serves to maintain the coils in position and prevent any shifting or rolling during transportation. Another popular technique entails the use of wooden pallets or skids to stack and transport the steel coils. The coils are positioned onto the pallets and secured with steel strapping or bands. This approach ensures stability and facilitates easy handling and loading onto trucks or other means of transportation. Furthermore, certain steel coils are enclosed within wooden crates or boxes. These crates are typically constructed from robust and durable wood and are designed to shield the coils from external impacts or damage during transportation. To enhance strength and stability, the crates are frequently reinforced with steel bands or strapping. In addition to the aforementioned methods, specialized containers or units are employed to package certain steel coils. These containers are specifically engineered to accommodate and secure steel coils for transportation. They often possess integrated mechanisms or features that facilitate the loading and unloading of the coils in a safer and more efficient manner. It is important to acknowledge that the particular method of packaging steel coils for transportation can vary depending on factors such as the size and weight of the coils, the mode of transportation, and any specific requirements or regulations that may be in effect.
- Q: What are the dimensions of a steel coil?
- The dimensions of a steel coil can vary depending on its intended use and manufacturer. However, typical dimensions include a width ranging from 600mm to 2,200mm, a diameter of 600mm to 2,000mm, and a weight ranging from a few hundred kilograms to several metric tons.
- Q: What are the common methods of painting steel coils?
- The common methods of painting steel coils include coil coating, spray painting, and electrostatic painting.
- Q: What are the challenges in coil leveling for coated steel?
- To achieve high-quality, flat, and smooth coils, several challenges must be addressed in the process of coil leveling for coated steel. The first challenge lies in the potential damage to the coating during leveling. Coated steel coils are typically covered with materials like zinc or paint, which are susceptible to scratching or marring if mishandled. The leveling process involves passing the coil through a series of rolls, which can cause friction, abrasion, or other mechanical harm to the coating. Therefore, it is crucial to meticulously control the speed, pressure, and alignment of the rolls to minimize coating damage. The second challenge stems from the variations in thickness across the coil. Coated steel coils often exhibit thickness discrepancies due to inherent material properties or production methods. These variations can lead to uneven leveling, resulting in coils with waviness or inconsistent flatness. Achieving uniform leveling across the entire coil surface is vital to ensure consistent quality and appearance of the final product. Another challenge in coil leveling for coated steel is the possibility of shape distortion. The coating processes can introduce stresses into the steel, causing the coil to warp or distort during leveling. This distortion can lead to coils with irregular edges or uneven flatness. Proper control of leveling process parameters, such as the number of passes and applied tension, is necessary to minimize shape distortion. Furthermore, the coil leveling process can generate internal stresses in the steel, especially in cold-rolled or heat-treated coated steels. These internal stresses can result in coil spring-back, where the coil attempts to revert to its original shape after leveling. Spring-back can cause coils with undesired curvature or inconsistent flatness. Effective strategies, such as stress relief annealing or employing counteracting leveling techniques, are essential to minimize spring-back and achieve the desired flatness. Lastly, handling and storing coated steel coils pose challenges in maintaining the quality of the leveled coils. Coated steel coils are sensitive to environmental conditions, such as humidity, temperature, and exposure to corrosive substances. Proper storage and handling practices are crucial to prevent coating damage, rust, or other forms of deterioration that can occur during transportation or storage. In conclusion, the challenges in coil leveling for coated steel involve minimizing coating damage, addressing thickness variation, controlling shape distortion and spring-back, and ensuring proper handling and storage. Overcoming these challenges necessitates precise control of process parameters, the application of suitable leveling techniques, and strict adherence to quality control measures throughout the entire process.
- Q: How are steel coils used in the manufacturing of suspension springs?
- Steel coils are used in the manufacturing of suspension springs as they provide the necessary strength and resilience to support the weight of the vehicle and absorb shocks and vibrations. The steel coils are shaped and formed into the desired spring shape, which allows them to effectively compress and expand to absorb and distribute the impact and forces experienced during vehicle movement and road conditions.
- Q: What are the different coil packaging options available for steel coils?
- There are several different coil packaging options available for steel coils, depending on the specific requirements and preferences of the customers. Some of the commonly used packaging options include: 1. Steel Strapping: This is a traditional method of packaging steel coils, where a high-tensile steel strap is used to secure the coil. It provides excellent stability and protection during transportation and storage. 2. Plastic Strapping: Plastic strapping is a more cost-effective and lightweight alternative to steel strapping. It is commonly used for smaller and lighter steel coils, providing adequate strength and protection. 3. Shrink Wrapping: Shrink wrapping involves covering the steel coil with a plastic film and then applying heat to shrink and tightly seal the film around the coil. This packaging method offers protection against moisture, dust, and other contaminants. 4. Wooden Crates: Steel coils can also be packaged in wooden crates, which provide additional protection against physical damage during handling and transportation. Wooden crates can be customized to fit the specific dimensions of the coil and can be easily secured with straps or nails. 5. Coil Covers: Coil covers are large, heavy-duty plastic or fabric covers that are placed over the steel coil to protect it from environmental factors such as UV exposure, moisture, and dust. They are often used in combination with other packaging methods for added protection. 6. Paper or Fiberboard Wrapping: This packaging option involves wrapping the steel coil with paper or fiberboard material. It provides a lightweight and cost-effective solution for protecting the coil against minor scratches and abrasions. 7. Customized Packaging: Depending on the specific requirements of the customer, steel coils can be packaged using a combination of the above options or customized packaging solutions. This may include additional padding, corner protectors, or special handling instructions to ensure the safe transportation and storage of the coils. It is important for customers to consider factors such as coil size, weight, transportation mode, storage conditions, and budget when choosing the most suitable coil packaging option for their specific needs.
- Q: I'm wondering if steel casings are bad for a 1911. I know that an AK-47 will eat up steel casings all day long, but steel casings are bad for, and can be hard on an AR-15. I only have brass for my AR and that will never change. I'm curious as to how a 1911 fairs with steel casings. Is it bad for the gun or does it not matter? I'm asking because steel cased rounds seem to be the only readily available ammo these days. Thanks
- This better placed in the hunting section of sports. That is the area for gun questions. I've never used that Russian stuff in my guns. I would stick with brass or Aluminum Blaser ammo.
- Q: Can I ever get my classical guitar reinforced so it can have steel strings on it?
- describes the differences in construction of classical nylon string guitars and steel string guitars--like I said, it would involve reconstruction of more than just a neck
- Q: Can steel coils be used in outdoor applications?
- Yes, steel coils can be used in outdoor applications. Steel is known for its durability and strength, making it suitable for a wide range of outdoor uses. Steel coils are often used in applications such as construction, automotive manufacturing, and transportation industries. They are resistant to harsh weather conditions, including rain, snow, and UV exposure. Additionally, steel coils are often coated with protective finishes, such as galvanized or painted coatings, to further enhance their resistance to corrosion and extend their lifespan. Overall, steel coils are a reliable and versatile option for outdoor applications due to their strength, durability, and resistance to environmental factors.
- Q: Are steel coils used in agricultural equipment manufacturing?
- Yes, steel coils are commonly used in agricultural equipment manufacturing. Steel coils are used to create various components such as frames, brackets, and supports, which are essential for the construction and durability of agricultural equipment. The strength and versatility of steel make it a preferred material choice for manufacturing agricultural machinery.
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HDGI/GI Hot-Dipped Galvanized Steel Sheet in Coil/GI Coil/G550/G90
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 m.t.
- Supply Capability:
- 500 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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