First Class Cold Roll Based Steel Sheet Coil
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 60 m.t.
- Supply Capability:
- 8000 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: Just wondering how good are forge steel screw drivers, tool boxes(organisers) and pliers are, as screw fix are having a january sale, and looking to add to my tool collection. Thanks in advance
- I answer 2 questions a week from people wondering if so-and-so brand make good tools. Listen I am a Professional Contractor, and I will tell u my guys and I hammer the **** out of them. I follow 1 simple rule when buying tools- buy the best u can afford always. In the case of screwdrivers, wrenches, handtools.....buy craftsman. Spend a little more now and save lots later. The collection u are adding to will thank you.
- Q: what is magnetic steel used for and if it can be used for producing kitchenwares utenils like stainless steel basines,mugs and bowls.
- Magnetic steel rusts. That's why kitchenware is often made out of stainless. You can't turn magnetic steel into stainless, sorry. Metalurgy is a complicated subject, and is all about different alloys. It's far too involved to explain in a few paragraphs here, but no, they're not interchangeable in this case unless you want to produce kitchenware that rusts.
- Q: what is the stucture of high carbon steel
- That is kind of a broad question because high carbon steel can cover a broad range and you did not mention the condition. But I will try to keep it simple. If it is in a wrought condition, it would likely be pearlite plus carbides along the grain boundaries., The atomic structure would be body centered cubic. Sometimes high carbon steel is spherodized annealed and that would be ferrite with lots of round carbides. The atomic structure would be body centered cubic. If it is quench and tempered, it would be martensite and would probably have noticeable carbides if the carbon content was high enough. The atomic structure would be body centered tetragonal
- Q: What is the process of pickling and oiling steel coils?
- The process of pickling and oiling steel coils involves several steps to ensure the quality and protection of the steel. Firstly, pickling is the process of removing impurities and scale from the surface of the steel coil. This is typically done by immersing the coil in an acid bath, such as hydrochloric acid or sulfuric acid, which helps to dissolve any oxides, rust, or other contaminants present on the surface. This step is crucial as it prepares the steel for further processing and prevents any potential defects or corrosion. After pickling, the steel coils are rinsed with water to remove any residual acid and then dried. Once the coils are clean and dry, they are then coated with a layer of oil to provide temporary corrosion protection and lubrication during subsequent handling and transport. The oil coating helps to prevent the steel from rusting or oxidizing before it is further processed or used in various applications. The oiling process can be done in several ways. One common method is by applying the oil using a roller or brush, ensuring that the entire surface of the coil is evenly coated. Alternatively, the coils can be passed through a bath or spray chamber where the oil is applied. The type of oil used can vary depending on the specific requirements of the steel and its intended use. Some common oils include mineral oil, synthetic oils, or specialized rust-preventive coatings. Once the oiling process is complete, the steel coils are typically stacked, wrapped, or packaged for storage or transportation. It is important to handle the coils carefully to avoid damaging the oil coating and compromising the corrosion protection. Overall, pickling and oiling steel coils are essential steps in the steel manufacturing process to ensure the quality, cleanliness, and protection of the steel, ultimately extending its lifespan and enhancing its performance in various applications.
- Q: How are steel coils used in the manufacturing of wires?
- Steel coils are used in the manufacturing of wires by being uncoiled and then fed through a series of machines where they are drawn, stretched, and twisted to the desired diameter and shape. This process helps to strengthen the wires and make them more flexible for various applications such as electrical wiring, construction, and manufacturing.
- Q: How are steel coils used in the production of steel washers?
- Steel coils are used in the production of steel washers as they are unwound, flattened, and cut into smaller pieces to create the raw material for manufacturing washers.
- Q: Hi there! I just purchased two cookie sheets labeled as non-stick 100% carbon steel. I've never heard of carbon steel before, and I'm trying to be careful about not using certain products that are harmful to health such as aluminum and Teflon. Is this a safe metal choice for baking?
- Yes. Carbon steel is one of the most common metals used by human beings. When the Bronze Age ended and the Iron Age started, most of the iron humans could make was carbon steel. A Cast Iron frying pan is carbon steel (well... technically, there are differences between cast irons and steels but... anyway). Our cast iron frying pans (almost the only fry pans we have used for 30+ years) are mostly non-stick because we keep them well seasoned. Humans need iron in our diet anyway. You might want to check to verify what (if anything) it is coated with to make it Non-stick because, in general, steel cookware is stick. If it is coated with ceramic (enameled), then there won't be any rust because the iron is coated and protected from water. The non-stick ceramic coatings are very good. Ceramics are chemically inert to almost everything on earth (all but some of the most exotic chemicals you will ever find in a Chem Lab). As a side note... a large number of studies of industrial exposure to aluminum and aluminum compounds (people who work in Al production plants and are exposed to large quantities for years and years and years) has shown that there is NO correlation with Alzheimers or any other diseases. The major health risk for these populations was lung problems due to inhalation of fine dust (which, turned out, was not even as bad as breathing, for example, dust containing cotton fibers in garment workers).
- Q: What are the different types of steel coil handling equipment?
- Some different types of steel coil handling equipment include coil lifters, coil tongs, coil grabs, coil hooks, coil transfer cars, and coil upenders. These equipment are designed to safely lift, transport, and rotate steel coils during various industrial processes.
- Q: How are steel coils inspected for surface defects using non-destructive testing methods?
- To ensure the quality and integrity of steel coils, non-destructive testing (NDT) methods are employed to inspect them for surface defects. Several common NDT methods are utilized in this process. Visual inspection is one of the most widely used methods, where trained inspectors visually examine the steel coils for visible defects like scratches, cracks, pits, or corrosion. Although this method is simple and cost-effective, it can only detect surface-level defects. Magnetic particle testing (MT) is another commonly used NDT method. It utilizes magnetism to identify surface and near-surface defects in ferromagnetic materials like steel. By applying a magnetic field and iron particles to the steel coil, any defects such as cracks or discontinuities become visible as the iron particles concentrate around them. Liquid penetrant testing (PT) is a different NDT method used for inspecting steel coils. It involves applying a liquid penetrant to the coil's surface, which is drawn into surface defects through capillary action. After removing excess penetrant and applying a developer, the defects become visible as the developer draws out the penetrant. Ultrasonic testing (UT) is widely used to detect both surface and subsurface defects in steel coils. It transmits high-frequency sound waves into the coil and analyzes the reflected waves to identify abnormalities. This method can detect defects like cracks, inclusions, and voids that may not be visible to the naked eye. Additionally, eddy current testing (ECT) is another NDT method for inspecting steel coils. It utilizes electromagnetic induction to detect surface and near-surface defects. By placing a coil carrying an alternating current near the surface of the coil being inspected, any changes in the coil's electrical conductivity caused by surface defects are detected and analyzed to identify and evaluate their severity. In summary, various non-destructive testing methods such as visual inspection, magnetic particle testing, liquid penetrant testing, ultrasonic testing, and eddy current testing are utilized to inspect steel coils for surface defects. These methods ensure the quality and integrity of the steel coils before they are used in various applications.
- Q: How do steel coil manufacturers minimize waste and maximize efficiency?
- Combining advanced technology, process optimization, and waste management practices allows steel coil manufacturers to minimize waste and maximize efficiency. One effective method is to employ advanced automation and control systems during production. These systems can monitor and adjust parameters like temperature, pressure, and speed to ensure optimal operation. By closely monitoring and controlling these factors, manufacturers can reduce defects and errors, thus minimizing waste. Another approach is to adopt lean manufacturing principles, which involve eliminating non-value-adding activities and streamlining the production process. By analyzing the entire workflow, manufacturers can identify areas for improvement, such as reducing setup times, eliminating bottlenecks, and optimizing material flow. This results in a more efficient and streamlined production process, reducing waste and increasing efficiency. Additionally, effective waste management practices can be implemented. This includes proper handling and disposal of waste materials, as well as implementing recycling programs. By separating and recycling materials like scrap metal, manufacturers can minimize waste generation and reduce environmental impact. Collaborating with recycling companies ensures proper management and recycling of waste materials. In conclusion, steel coil manufacturers can achieve waste reduction and efficiency maximization by utilizing advanced technology, implementing lean manufacturing principles, and adopting effective waste management practices. Continuously striving for improvement and optimization in processes enables manufacturers to reduce waste, increase productivity, and ultimately achieve higher levels of efficiency.
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First Class Cold Roll Based Steel Sheet Coil
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 60 m.t.
- Supply Capability:
- 8000 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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