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
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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: What are the common applications of stainless steel coils?
- Stainless steel coils have numerous applications in various industries due to their exceptional corrosion resistance, durability, and versatility. Some common applications include manufacturing of kitchen appliances, automotive parts, construction materials, medical instruments, chemical processing equipment, and electrical components. Additionally, stainless steel coils are widely used in the production of pipes, tubes, and fittings for various sectors such as oil and gas, food processing, pharmaceuticals, and water treatment.
- Q: How are steel coils inspected for surface finish?
- Steel coils are inspected for surface finish through a visual examination by trained inspectors. They carefully inspect the coils for any defects, such as scratches, pits, or uneven surfaces. Additionally, specialized equipment like optical scanners or digital cameras may be used to capture high-resolution images for a more detailed analysis. The goal is to ensure that the surface finish of the steel coils meets the required standards and is free from any imperfections that could affect its quality or performance.
- Q: What are the quality standards for steel coil manufacturing?
- The quality standards for steel coil manufacturing typically include criteria such as dimensional accuracy, surface finish, mechanical properties, chemical composition, and adherence to industry-specific standards like ASTM or EN. These standards ensure that the steel coils meet the required specifications for various applications and provide reliable performance in terms of strength, durability, and consistency. Additionally, manufacturers often follow strict quality control processes throughout the production cycle to ensure the quality of the final product.
- 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 types of steel coil packaging materials for export?
- There are several different types of steel coil packaging materials that are commonly used for export: 1. Steel Strapping: This is one of the most common and widely used materials for packaging steel coils. Steel strapping is strong and durable, providing excellent protection during transportation. It is available in different widths and thicknesses to accommodate different coil sizes. 2. Stretch Film: Stretch film is a flexible and elastic material that is often used to wrap steel coils. It provides a tight and secure packaging, preventing the coils from shifting or falling during transit. Stretch film is also lightweight, which helps to reduce shipping costs. 3. Corrugated Cardboard: Corrugated cardboard is often used as an outer packaging material for steel coils. It provides additional protection against external impacts and acts as a cushioning material. Corrugated cardboard is available in various strengths and sizes to suit different coil dimensions. 4. Wooden Crates: Wooden crates are a popular choice for packing larger steel coils. They provide a sturdy and robust packaging solution, offering excellent protection against impacts, moisture, and other environmental factors. Wooden crates can be customized to fit specific coil sizes and are often used for heavy-duty or long-distance shipments. 5. Plastic Strapping: Plastic strapping is an alternative to steel strapping, especially for lighter coils. It is lightweight, easy to handle, and resistant to rust and corrosion. Plastic strapping is available in different colors, allowing for easy identification and sorting. 6. VCI (Volatile Corrosion Inhibitor) Packaging: VCI packaging materials are used to protect steel coils from corrosion during export. These materials release a vapor that forms a protective layer on the surface of the coils, preventing rust and corrosion even in high humidity or harsh environments. It is important to consider the size, weight, and specific requirements of the steel coils when choosing the appropriate packaging material for export. Additionally, compliance with international shipping regulations and standards should be ensured to guarantee a safe and efficient transportation process.
- Q: my step father bought a big steel drum grill it has steel sheets (very thin) that go inbetween the flame and the food (closer to the flame) with that there the food will not cook, it does not get hot enough????? please help... what should we do
- that steel plate there is to try to keep the grease dripping of the food from making the grill flame up and burning the food. most all quality grills have something similar. you can take the plate out but your going to be prone to flame ups.
- Q: How are steel coils processed?
- Steel coils are processed through a series of steps including pickling, cold rolling, annealing, and coating to achieve desired thickness, strength, and surface finish, making them ready for various applications in industries like automotive, construction, and manufacturing.
- Q: What are the characteristics of hot-rolled steel coils and cold rolled steel coils? What loading and unloading tools should be used? What items should be paid attention to?
- When placing materials to roll on both sides of the main pad wood pallets, prevent rolling back and forth. In addition the floor should be thickened, cannot have uneven or debris, because the line of steel coils when gravity concentrated in contact with the ground floor, there is a fracture easily, debris, easy to leave the indentation in the steel roll.
- Q: Can steel coils be bent or shaped?
- Yes, steel coils can be bent or shaped. Steel coils are flexible and can be easily manipulated into various forms or shapes through processes like bending, rolling, or stamping.
- Q: In the warehouse management system of steel coil
- The warehouse is set to be required under the factories and production equipment and manpower planning, reasonable layout; to strengthen the internal economic responsibility system, scientific division, forming material export management assurance system; the service must implement the work quality standard > standardization, application of modern management technology and the ABC classification method, and constantly improve the level of warehouse management.
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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
OKorder Financial Service
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