cold rolled steel coil for roofing construction
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 36 m.t.
- Supply Capability:
- 30000 m.t./month
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SPCC, SPCD, SPCE, SGCC, DC01, DC02, ST12,Q195, Q215, Q235
1). Thickness: 0.14~2.0mm.
2). Width: 600mm~1500mm; 762MM/914MM1000MM/1250MM/1500MM
3). Surface: Full Hard, or bright anneal , or Drawing Quality, Oiled, Slightly Oiled, Unoiled
4). Quality: No Joint, No Bends, no spots, no roller marks.
MTC will be provided with goods, third part inspection is acceptable, for example, SGS, BV. Etc
5). Coil ID: 508mm or 610mm
Coil Weight: 3~8MT as per client's requirement
6). Package: Mill's Standard Seaworthy Package.
7). Delivery: within 30days since prepayment or L/C confirmed
8). Application: Construction, raw materials for HDGI or PPGI, furniture
material | Q195,Q195L,Q195LD,Q215,Q235and 08AL SPCC SGCC DC01 |
Thickness | 0. 14 - 2.0mm |
Width | 600mm - 1500mm |
tolerance | Thickness tolerance : +/- 0. 02mm; Width tolerance : +/- 2mm |
type | full hard or bright anneal |
Surface treatment | Chromate, oiled/unoiled |
spangle | Regular spangle, minimized spangle, zero spangle |
surface | no-skin passed or skin passed,tensil leveld |
grade standard | JIS G3302 , EN10142, ASTM653, ASTM95 |
Packing | Seaworthy packing, steel packing and steel pallet |
Applications | Construction,hardware,home appliances,interior decoration |
- Q: were iron age weapons made of steel?
- Even in very early iron, a small amount of steel was produced by carburization, where the iron picks up carbon by laying in hot coals before quenching. This produces a thin layer of steel on the surface of the iron. By about 300 BC Damascus steel was being produced by the crucible method on the Indian subcontinent, and the Romans used steel from Noricum. In the first century BC the Chinese were melting cast iron and wrought iron together to make steel.
- Q: How are steel coils processed at the steel service centers?
- Steel service centers process steel coils through a series of steps to transform them into finished products that meet the specific requirements of customers. The process typically begins when the steel coils arrive at the service center. These coils are usually large and heavy, and they may have been produced by a steel mill or imported from overseas. Upon arrival, the steel coils undergo a quality inspection to identify any defects and ensure that only high-quality coils are used in the production process. After inspection, the coils are stored in a warehouse until they are ready for processing. Next, the steel coils are uncoiled to create flat sheets of steel. This can be done manually or using automated machines, depending on the size and thickness of the coils. The uncoiled steel is then leveled to remove any residual stress and ensure a flat and consistent surface. Once leveled, the steel sheets go through various processes based on the desired end product. These processes may include cutting, shearing, slitting, and forming. Cutting and shearing involve shaping the steel sheets into specific sizes or shapes. Slitting involves cutting the steel into narrow strips, while forming involves bending or shaping the steel. After the desired processing operations are completed, the steel sheets are often treated with surface finishes to enhance their appearance or protect them from corrosion. These finishes may include painting, coating, or galvanizing. Finally, the processed steel sheets undergo another quality inspection to ensure they meet the required specifications. They are then packaged and prepared for shipment to customers in industries such as construction, automotive, or manufacturing. Overall, the processing of steel coils at steel service centers involves a combination of inspection, uncoiling, leveling, cutting/shearing/slitting/forming, surface finishing, quality control, and packaging. This process allows for the transformation of steel coils into finished products that are customized to meet the specific needs and requirements of customers.
- Q: So finally got around to watching man of steelnow i heard a few times that batman was in iti didn't se him.in the film is it something subtle I've just missed or is he not in it?when i googled it got loads of results for them being together in the new film but nothing about man of steel 2013
- Zod okorder /
- 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 industrial conveyors?
- Steel coils are used in the manufacturing of industrial conveyors as they provide a sturdy and reliable base for the conveyor systems. The coils are typically formed into various shapes and sizes to create the conveyor frames and supports, ensuring durability and stability throughout the conveyor's operation. Additionally, steel coils can be cut and shaped to form conveyor belts, which play a crucial role in transporting materials and products efficiently within industrial settings.
- Q: I just got my Daewoo K2 in 5.56 and i know they are tough and reliable but how well will it fair with steel rounds. I know shooting brass is better for any gun but what kind of extra wear and tear would i be looking at with shooting steel. Also what about reloading steel. Is it recomended. I would not even be asking this but steel is far cheaper than brass ammo, and i need to save some money.
- Definitely DO NOT reload steel cases. As far as shooting steel vs brass. Brass will always be better than steel in your gun. Steel is a harder and stronger metal and will wear the firearm quicker than brass.
- Q: Can steel coils be coated with zinc-nickel alloy?
- Yes, steel coils can be coated with zinc-nickel alloy.
- Q: What are the common coil surface treatments available for steel coils?
- There are several common coil surface treatments available for steel coils, each serving different purposes and offering various benefits. These treatments aim to enhance the durability, corrosion resistance, and appearance of the steel coils. 1. Galvanized Coating: Galvanization is a popular treatment in which a layer of zinc is applied to the steel coil's surface. This coating provides excellent corrosion protection, preventing rust and extending the lifespan of the coil. It is commonly used in outdoor applications or environments with high humidity levels. 2. Phosphating: Phosphating is a chemical treatment that forms a thin layer of phosphate coating on the steel coil's surface. This treatment enhances the adhesion of subsequent coatings and improves the coil's paintability. It also offers some corrosion resistance and can be used as a pre-treatment before painting or powder coating. 3. Chromate Conversion Coating: Chromate conversion coating, also known as chem film or Alodine, involves applying a thin layer of chromate to the steel coil's surface. This treatment offers corrosion protection and acts as a primer for subsequent coatings, improving their adhesion. It is often used in aerospace and electrical applications. 4. Powder Coating: Powder coating is a dry finishing process in which a fine powder is applied to the steel coil's surface electrostatically and then cured under heat. This treatment provides a durable and attractive finish, offering excellent resistance to chipping, scratching, and fading. Powder coating is available in a wide range of colors and textures, making it a versatile option. 5. Organic Coatings: Organic coatings, such as acrylic, polyester, or polyurethane, are applied to the steel coil's surface as liquid paints. These coatings provide aesthetic appeal, protection against corrosion, and resistance to weathering and UV radiation. Organic coatings are often used in architectural and automotive applications. 6. Anodizing: Anodizing is a treatment primarily used for aluminum coils but can also be applied to steel coils. It involves creating an oxide layer on the surface of the coil through an electrochemical process. This treatment enhances the coil's corrosion resistance and provides an attractive finish. Anodizing is commonly used in architectural and decorative applications. It's important to note that the choice of coil surface treatment depends on the specific requirements of the application, including the desired performance, aesthetics, and environmental factors. Consulting with a professional in the steel industry can help determine the most suitable treatment for a particular project.
- Q: How do steel coils contribute to the HVACR industry?
- Steel coils play a crucial role in the HVACR (Heating, Ventilation, Air Conditioning, and Refrigeration) industry by serving as a primary component in various applications. These coils are typically made from a durable and corrosion-resistant material, such as stainless steel or galvanized steel, which ensures their longevity in demanding HVACR environments. One of the most common uses of steel coils in the HVACR industry is in air conditioning systems. These coils are responsible for transferring heat between the refrigerant and the surrounding air. The coils, often referred to as evaporator coils, absorb heat from the indoor air, cooling it down and removing moisture. They then release the heat outside through a condenser coil, allowing for efficient cooling and dehumidification of the air. Steel coils are also utilized in heat exchangers, which are vital components in HVACR systems. Heat exchangers transfer thermal energy between two fluids, allowing for efficient heating or cooling. Steel coils, often in the form of finned tubes, provide a large surface area for heat transfer and help enhance the overall efficiency of the system. Furthermore, steel coils are extensively used in the construction of ductwork, which is the network of channels that distribute conditioned air throughout a building. These coils are formed into various shapes and sizes to fit specific ductwork designs, ensuring optimal airflow and temperature control. Additionally, the durability and strength of steel coils make them suitable for withstanding the pressure and forces exerted by airflows in duct systems. In refrigeration systems, steel coils are integral to the process of transferring heat out of an enclosed space, such as a refrigerator or freezer. The coils, often referred to as condenser coils, release heat from the refrigerant as it changes from a high-pressure gas to a high-pressure liquid. This allows for the cooling and preservation of perishable goods, making steel coils essential in the food service and cold storage industries. Overall, steel coils contribute significantly to the HVACR industry by enabling efficient heat transfer, optimal temperature control, and reliable operation of various HVACR systems. Their durability, corrosion resistance, and versatility make them a crucial component in providing comfortable and controlled environments in residential, commercial, and industrial settings.
- Q: What are the common coil storage conditions?
- Common coil storage conditions include keeping the coils in a dry and well-ventilated area, away from direct sunlight and moisture. It is also important to store the coils in a clean and organized manner, preferably on pallets or racks, to prevent damage or deformation. Additionally, maintaining a stable temperature and humidity level is crucial to minimize the risk of corrosion or other forms of deterioration.
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cold rolled steel coil for roofing construction
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 36 m.t.
- Supply Capability:
- 30000 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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