Hot Galvanized/ Auzinc Steel -SGCC in China from CNBM
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 5000000 m.t./month
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Description:
Hot-dip aluzinc steel sheet is substrated on cold rolled steel (CRC) in various strength and specification. Coating composition is 55% aluminum in weight ratio, 43.4% zinc, and 1.5% silicon, with excellent corrosion and heat resistance performance.
Specifications:
1.Mateials:SGCC,DX51D / DX52D /S250,280GD
2.Size:width:600-1250mm(900mm,1215mm,1250mm,1000mm the most common)
thickness:0.15-2.0mm
length:1000-6000mm,as your require
3.Zinc coating :60-180g( as required)
4.Coil id:508mm
5.Coil weight: 3-5MT(as required)
6. Surface:regular/mini/zero spangle, chromated, skin pass, dry etc.
Applications:
Galvalume Coil widely used for roofing products, It is also the ideal base material for Prepainted Steel Coil.
1. roofing
2. gutters
3. unexposed automotive parts
4. appliances
5. furniture
6. outdoor cabinetry
Images:
Production of cold formed corrugated sheets and profiles for roofing, cladding, decking, tiles, sandwich walls, rainwater protective systems, air conditioning duct as well as electrical appliances and engineering.
FAQ
1.What's your MOQ?
50MT, it is for one container.
2.Whether your company have QC teams?
Yeah, sure, our QC team is very important, they will keep the quality control for our products.
3. What's your normal delivery time?
Our delivery time about 10-20days for standard sizes, if you have other requirements like hardness and width ,it is about 20-40days.
- Q: What are the common size limitations for steel coil production?
- The size limitations for steel coil production can vary based on various factors, including the type of steel used, the manufacturing process, and the available equipment. However, there are generally accepted size limitations in the industry. One primary constraint is the width of the steel coil, which is typically determined by the size of the rolling mill or slitting equipment used in production. Standard widths for steel coil production range from approximately 600 millimeters (23.6 inches) to 2,000 millimeters (78.7 inches). Nonetheless, specialized equipment and processes can achieve widths outside of this range. Another limitation is the thickness of the steel coil, which can be influenced by the type of steel, intended application, and manufacturing capabilities. Common thicknesses for steel coils range from 0.15 millimeters (0.006 inches) to 6 millimeters (0.236 inches). However, specialized equipment and processes may be required to produce thicker or thinner coils. The weight of the steel coil is also an important consideration, typically determined by the capacity of production and handling equipment, as well as transportation limitations. Standard coil weights range from a few hundred kilograms to several tons. However, larger equipment or dividing the coil into smaller coils can enable the production of coils that exceed these limits. In addition to width, thickness, and weight, there may also be limitations on the length of the steel coil. This can be influenced by factors such as the size of the production line, handling and transportation capabilities, and customer requirements. Standard coil lengths typically range from a few meters to several tens of meters. However, specialized equipment and processes can produce longer coils. It is important to note that these size limitations are not fixed and can vary depending on project or customer requirements. Manufacturers often collaborate closely with customers to determine the optimal size limitations for their steel coil production, ensuring the final product meets desired specifications.
- Q: What are the different types of steel coil treatments?
- There are several different types of steel coil treatments that are used to enhance the properties and performance of steel coils. These treatments include: 1. Annealing: Annealing is a heat treatment process that involves heating the steel coil to a specific temperature and then slowly cooling it. This treatment helps to relieve internal stresses, improve ductility, and increase the overall strength of the steel coil. 2. Pickling: Pickling is a chemical treatment that involves immersing the steel coil in a solution of acid or other chemicals to remove impurities, scale, and rust from the surface. This treatment helps to improve the surface finish and cleanliness of the steel coil. 3. Oil coating: Oil coating is a treatment that involves applying a thin layer of oil or other protective coating to the surface of the steel coil. This treatment helps to prevent corrosion, improve lubricity, and protect the steel coil during storage and transportation. 4. Galvanizing: Galvanizing is a process that involves coating the steel coil with a layer of zinc to protect it from corrosion. This treatment creates a barrier between the steel coil and the surrounding environment, ensuring long-term durability and resistance to rust. 5. Tempering: Tempering is a heat treatment process that involves heating the steel coil to a specific temperature and then rapidly cooling it. This treatment helps to improve the toughness and strength of the steel coil, making it more resistant to impact and deformation. These are just a few examples of the different types of steel coil treatments that are commonly used. Each treatment has its own specific purpose and benefits, and the choice of treatment will depend on the desired properties and application of the steel coil.
- Q: I have a steel support beam can you remove one of the poles . the steel beam set on sender blocks on both side of the foundation. I have three steel beams support beam across the basement,I just want to remove one pole, can that be done.
- Steel poles under the steel beam is required for the code in your local building area. No, do NOT remove any pole without checking with your local building dept. They are engineered to carry all the weight of the framing over it. If you chose to remove it without checking with the building dept. you can cause a serious structure problem, even a collapse of the structure. Just a phone call to your local building dept. can answer that question. They normally put a steel pole about every 14'-16' depending on the code in your area. There there for a good reason. Think smarter than the next guy, and you will keep yourself safe and your family also. Hoped this helped you go in the right direction.
- Q: What are the common handling defects in steel coils?
- There are several common handling defects that can occur in steel coils during transportation and storage. These defects can impact the quality and integrity of the coils, leading to potential issues down the line. Some of the most common handling defects in steel coils include: 1. Edge damage: This occurs when the edges of the coil are bumped or scraped, resulting in dents, scratches, or even tears. Edge damage can weaken the structural integrity of the coil and make it more susceptible to further damage. 2. Core damage: The core of a steel coil is crucial for maintaining its shape and stability. However, mishandling can cause the core to become crushed or deformed, which can lead to coil collapse or distortion. 3. Coil slippage: When coils are not securely strapped or stacked, they can shift or slide during transportation. This can result in coil slippage, leading to misalignment, damage to the outer layers, or even complete coil failure. 4. Abrasion: Steel coils can be subject to abrasion if they come into contact with rough surfaces or other objects during handling. This can cause the protective coating or paint on the coil to wear off, exposing the steel to potential corrosion. 5. Moisture damage: Steel coils are susceptible to moisture damage, especially if they are not properly sealed or protected. Exposure to moisture can lead to rust formation, which can compromise the structural integrity of the coil and affect its overall quality. 6. Overloading: Overloading a truck or storage area with steel coils can cause excessive pressure and stress on the coils, leading to deformation, bending, or even coil collapse. It is crucial to adhere to weight limits and proper stacking procedures to prevent overloading. 7. Improper lifting: When lifting steel coils, it is important to use appropriate lifting equipment and techniques. Failure to do so can result in coil damage, such as distortion or bending, as well as potential injuries to workers. To mitigate these handling defects, it is crucial to follow proper handling and storage procedures for steel coils. This includes using suitable lifting equipment, securing the coils during transportation, avoiding overloading, and ensuring proper protection against moisture and abrasion. Regular inspections and maintenance can also help identify and address any potential defects or issues before they worsen.
- Q: Why is the selection of steel building erector of extreme importance while starting a new steel building project?
- Because if the beaming is screwed up, everything in the building is at risk. Also, if the erector runs late, everything else is delayed. An incompetent erector can actually cause damage to the beams [especially if inadequate bracing leads to collapse] and getting new ones can severely delay the project.
- Q: I have two theories, which one's correct?My book says that steel is made up of 98% iron and 2% carbon.98% of iron's molar mass (55.85 g/mol) is 54.733.2% of carbon's molar mass (12.01 g/mol) is .2402.If you add them up that gives you that steel has a molar mass of 54.97 g/mol.However, steel's chemical formula is Fe(3)CThat would make it's molar mass 179.56 g/mol.( Because 3(55.85) + 12.01 = 179.56 )Which one is correct?
- Molar Mass Steel
- Q: Can steel coils be perforated?
- Yes, steel coils can be perforated. Perforation involves creating a series of holes or small openings in the surface of the steel coil, which can be done for various reasons such as improving ventilation, reducing weight, enhancing aesthetics, or facilitating specific applications.
- Q: Can steel coils be bent or shaped?
- Yes, steel coils can be bent or shaped due to their flexibility and malleability.
- Q: What is the process of galvanizing steel coils?
- Enhancing the durability and protecting steel coils from corrosion involves a series of steps in the galvanization process. To begin, the steel coils undergo a thorough cleaning to eliminate any dirt, oil, or impurities on the surface. This is achieved through an acid pickling process, where the coils are immersed in a diluted acid solution or treated with a chemical cleaner. The aim is to ensure the surface of the coils is free from contaminants, allowing for better adhesion of the zinc coating. Following the cleaning process, the coils are rinsed to remove any remaining acid or cleaner, preventing adverse reactions in the next stage. The subsequent step involves the actual galvanization, where the cleaned coils are submerged in a bath of molten zinc. To guarantee an even coating, the coils are carefully passed through the zinc bath using rollers or other mechanisms. The zinc bath is maintained at a specific temperature, typically around 450°C (842°F), enabling the molten zinc to bond with the steel surface. Upon withdrawal from the zinc bath, excess zinc is eliminated by passing the coils through air knives or by centrifugal spinning. This ensures control over the thickness of the zinc coating, resulting in a uniform appearance. Once the galvanization process is complete, the steel coils are gradually cooled to room temperature. This facilitates the solidification and firm bonding of the zinc coating with the steel surface, creating a protective barrier against corrosion. The final step involves inspection and quality control. The galvanized steel coils are carefully examined for any defects, such as uneven coating or areas with insufficient zinc coverage. This inspection is typically conducted visually or using specialized equipment capable of detecting anomalies. Additionally, the coating thickness is measured to ensure it meets the required specifications. In conclusion, the galvanization process for steel coils is designed to enhance their longevity and shield 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 across various industries.
- Q: How are steel coils used in the production of wind turbines?
- Steel coils are used in the production of wind turbines to construct the tower and support structures. The coils are shaped and welded to create the tower sections, providing strength and stability to support the turbine's blades and nacelle. Additionally, the coils are also used to create the structural components, such as the base, for the turbine. Overall, steel coils play a crucial role in the manufacturing process of wind turbines, ensuring their durability and structural integrity.
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Hot Galvanized/ Auzinc Steel -SGCC in China from CNBM
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 5000000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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