Prime Quality Cold Roll Based Sheet Coil
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
You Might Also Like
Product Name | Cold Rolled Sheet Coil |
Material | SPCC/SPCD/SPCE/DC01/ST12/ ST14/SPCD/DC03/DC04 ect. |
Grade Standard | JIS G3302, EN10142, ASTM653, ASTM95 |
Thickness | 0.15-3.5mm |
Width | 600mm-1500mm |
Coil ID | 508-610mm |
Coil OD | max 1500mm |
Weight | 3-10 Tons |
Tolerance | Thickness tolerance:+/-0.02mm; Width tolerance:+/-5mm |
Surface | No-skin passed or Skin passed, Tensile leveled |
Surface Treatment | Chromate/Unchromate passivation, fingerprint resistant treatment, oiled/unoiled |
Annual Output | 350,000MT |
Application | Construction, hardware, home applicances, interior decoration |
General Application of Cold Rolled Steel Coil:
Classification | Designation | Characteristics | Main applications |
Commercial quality | SPCC SPCCT | Commercial quality suitable for bending fabrication and simple forming; this is the type in greatest demand. | Refrigerators, cabinets, power distribution baords and drums. |
Drawing quality | SPCD | Drawing quality second only to that of SPCEN. Excellent uniformity. | Automobile floor and roof panels. |
Deep-drawing quality | SPCE SPCF | Deep-drawing quality.With metallurgically controlled grain size, it retains its beautiful finish even after being deep-drawn. | Automobile fenders and quarter panels |
Extra deep-drawing quality | SPCG | Extra-low-carbon steel sheets with highest workability | Automobile internal panels and deep-drawn parts |
Production Flow Chart
Specification
1. Thickness: 0.4-2.0mm
2. Width: 900-1250mm
3. Inner Diameter: 508 & 610mm
4. Weight of Steel Coil: 3-15MT
5. Heat Treatment: Annealed + Smoothed
6. Margin Status: EC & EM
7. Surface Quality: FC & FD
8. Surface Treatment: Oiling
9. Surface Status: Bright
Chemical Components
Grade | Chemical Components | ||||
C | Mn | P | S | Alt | |
St12 | ≤0.10 | ≤0.50 | ≤0.035 | ≤0.025 | ≥0.020 |
St13 | ≤0.08 | ≤0.45 | ≤0.030 | ≤0.025 | ≥0.020 |
St14 | ≤0.08 | ≤0.40 | ≤0.025 | ≤0.020 | ≥0.020 |
Mechanical Properties
1. Yield Strength: ≤320MPa
2. Tensile Strength: ≤370MPa
3. Elongation (L=50mm, b=25mm) When:
(1) Nominal Thickness <0.25mm: 30%
(2) Nominal Thickness 0.25mm-<0.40: 32%
(3) Nominal Thickness 0.40-<0.60mm: 34%
(4) Nominal Thickness 0.60-<1.0mm: 36%
(5) Nominal Thickness 1.0-<1.6mm: 37%
(6) Nominal Thickness >1.6mm: 38%
- Q: Are steel coils used in HVAC systems?
- Yes, steel coils are commonly used in HVAC systems. They are typically used in the construction of heating and cooling coils, which play a crucial role in the heat transfer process to provide conditioned air for buildings. Steel coils are used for their durability, thermal conductivity, and ability to withstand high temperatures and pressure.
- Q: What is the process of slitting steel coils into narrower strips?
- The process of slitting steel coils into narrower strips involves unwinding the steel coil and passing it through a set of rotating circular blades. These blades cut the coil into narrower strips of the desired width. The strips are then rewound onto separate coils or packaged for further processing. This slitting process allows for the production of multiple narrower strips from a single large coil, making it more versatile and efficient for various applications.
- Q: What is the maximum width of steel coils?
- The maximum width of steel coils can vary depending on the specific manufacturing processes and equipment capabilities, but it is typically around 72 inches (182.88 cm).
- Q: What is the average lifespan of a steel coil?
- Several factors can influence the average lifespan of a steel coil. These factors encompass the quality and type of steel utilized, the conditions in which the coil is stored or used, and the maintenance and care it receives. Typically, a steel coil that is well-maintained can endure for approximately 10 to 30 years. Nevertheless, this is merely an approximation, and the actual lifespan can be either shorter or longer depending on the aforementioned factors. For example, if the coil is exposed to severe environmental conditions, such as extreme temperatures or corrosive elements, its lifespan may be diminished. Regular upkeep and proper storage can significantly prolong the longevity of a steel coil. This entails ensuring that the coil is stored in a dry and safeguarded environment, frequently inspecting and addressing any indications of corrosion or damage, and conducting routine cleaning and lubrication as necessary. Ultimately, the average lifespan of a steel coil is contingent upon various factors, and it is advisable to consult the manufacturer or industry experts for a more precise estimation based on specific circumstances and conditions.
- Q: What are the different methods of laminating steel coils?
- There are several different methods of laminating steel coils, each with its own advantages and applications. The most common methods include hot rolling, cold rolling, and continuous annealing. Hot rolling is a process in which steel is heated above its recrystallization temperature and then passed through a series of rollers to produce thin sheets or coils. This method is commonly used for producing large quantities of steel with a consistent thickness and surface finish. Hot rolled steel coils are often used in structural applications, such as construction and automotive manufacturing. Cold rolling, on the other hand, involves passing the steel coil through a series of rollers at room temperature. This process not only reduces the thickness of the steel but also improves its surface finish and mechanical properties. Cold rolled steel coils are typically used in industries that require high precision and quality, such as appliance manufacturing, electrical equipment, and automotive components. Continuous annealing is another method of laminating steel coils. It involves heating the steel coil to a specific temperature and then slowly cooling it in a controlled environment. This process helps to relieve internal stresses and improve the steel's mechanical properties, such as strength and ductility. Continuous annealing is often used for producing high-quality steel coils for applications that require superior surface finish and formability, such as automotive body panels and household appliances. Other less common methods of laminating steel coils include electro-galvanizing, which involves coating the steel with a layer of zinc through an electroplating process, and hot-dip galvanizing, where the steel coil is dipped into a bath of molten zinc. These methods are primarily used for corrosion protection and are commonly seen in the construction industry, particularly for outdoor structures and infrastructure. In summary, the different methods of laminating steel coils include hot rolling, cold rolling, continuous annealing, electro-galvanizing, and hot-dip galvanizing. Each method offers distinct benefits and is chosen based on the specific requirements of the application.
- Q: How are steel coils processed for edge trimming or slitting during processing?
- Steel coils are processed for edge trimming or slitting during processing by utilizing specialized machinery. The coils are unwound and fed into the machine, where the edges are trimmed off to achieve the desired width. For slitting, the coil is passed through multiple sets of circular blades that cut it into narrower strips. This process ensures precise dimensions and smooth edges, making the steel coils ready for further applications.
- Q: How are steel coils used in the manufacturing of automotive accessories?
- Due to their strength, durability, and versatility, steel coils find widespread use in the manufacturing of automotive accessories. These coils act as the primary raw material for various components and parts utilized in the automotive industry. One notable application of steel coils in automotive accessory production involves the creation of body panels and frames. These coils are shaped and formed according to desired specifications, and subsequently undergo cutting, stamping, and welding processes to fabricate the body panels and frames of vehicles. The exceptional strength of steel coils ensures that the resulting body panels and frames possess the necessary robustness to endure daily use and provide structural integrity to the vehicles. Moreover, steel coils are also employed in the production of automotive suspension systems. Specifically, coil springs, which constitute integral elements of the suspension system, are commonly fashioned from steel coils due to their capability to absorb and distribute the weight and impact of the vehicle. By supplying essential support and shock absorption, these coil springs contribute to a smooth and comfortable ride. Furthermore, steel coils are utilized in the manufacturing of various automotive accessories like exhaust systems, brackets, and other components. These coils are shaped and formed into the desired designs, and subsequently undergo cutting, bending, and welding procedures to fabricate these accessories. The strength and durability of steel render these accessories capable of withstanding high temperatures, vibrations, and other harsh operating conditions. In conclusion, the utilization of steel coils plays a pivotal role in the manufacturing of automotive accessories. Their provision of necessary strength, durability, and versatility facilitates the production of various components and parts. From body panels to suspension systems and accessories, steel coils significantly contribute to the overall quality, performance, and safety of automotive accessories.
- Q: Does anyone know if there is any info on Steel Manufacturing techniques, utilyzing electro/mechanical methods in order to create carbon nanotubes from the %C already inherant in the steel. In other words just modifying the Geometry of the Carbon the already makes up some of the steel.
- I don't think that would work. First off, there's not enough carbon in steel - even very high carbon steels are only about 2% carbon. Second, the iron atoms in steel form a crystal lattice, in the shape of a cube, with another iron atom in the middle of the cube. Each cube is about 0.3 nm per side. Carbon atoms work their way into the crystals and displace the iron atoms. But a carbon nanotube is around 1 nanometer in diameter - that's 3 times as big as the iron lattice! So a nanotube wouldn't fit. One thing you might do, however, is make a composite - mix the materials together on a scale a little bigger than the atomic scale that the iron and carbon mix to make steel. Just like a carbon fiber bicycle frame or ski pole is strands of carbon (much bigger and not as strong as nanotubes) held together with epoxy, you could hold nanotube strands together with metal. Not sure it would be good for armor, but if you can figure out a way to do it, I'm sure someone will come up with a use for it!
- Q: Can I ever get my classical guitar reinforced so it can have steel strings on it?
- It would work out easier to just get a new guitar.
- Q: What are the factors that affect the quality of steel coils?
- There are several factors that can affect the quality of steel coils. Firstly, the composition of the steel itself plays a crucial role in determining its quality. The presence of impurities, such as sulfur or phosphorus, can adversely affect the strength, durability, and overall performance of the steel. Additionally, the carbon content, alloying elements, and heat treatment of the steel also contribute to its quality. Secondly, the manufacturing process and techniques used during the production of the steel coils can significantly impact their quality. Factors such as the cleanliness of the production environment, the precision of the rolling and cooling processes, and the control of temperature and pressure during manufacturing can all influence the final quality of the coils. Furthermore, the surface quality of the steel coils is also a crucial factor. Any defects or imperfections on the surface, such as scratches, dents, or corrosion, can compromise the integrity and functionality of the coils. Proper handling, storage, and transportation of the coils are essential to maintaining their surface quality. Moreover, the mechanical properties of the steel coils, including tensile strength, yield strength, and elongation, are essential indicators of their quality. These properties depend on various factors, such as the type of steel, its thickness, and the processing conditions. Lastly, external factors such as environmental conditions, such as humidity and temperature, can affect the quality of steel coils. Exposure to moisture or extreme temperatures can lead to corrosion or other forms of degradation, impacting the overall quality and longevity of the coils. In conclusion, the quality of steel coils is influenced by several factors, including the composition of the steel, the manufacturing process, surface quality, mechanical properties, and external environmental conditions. It is crucial to ensure that these factors are carefully controlled and monitored to produce high-quality steel coils that meet the desired specifications and standards.
Send your message to us
Prime Quality Cold Roll Based Sheet Coil
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
Similar products
Hot products
Hot Searches
Related keywords
