Steel coils cold rolled hot sale china products
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 49734 m.t./month
OKorder Service Pledge
OKorder Financial Service
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Item specifice
Cold rolled sheet products have been available for many, many years, and have been successfully used for a multitude
of applications. Today's cold rolled sheet products are much improved over those used in the past. They offer better control
of thickness, shape, width, surface finish, and other special quality features that compliment the emerging need for highly
engineered end use applications.
Because cold rolled steel sheet is prone to rusting, standard practice is to apply a rust-preventative oil at the exit end of the temper mill (the last processing step). Rust-preventative oils are different than forming lubricants in that they contain special corrosion-inhibiting additions. In addition to the oil, Curtis Steel maintains clean, dry environments in climate controlled warehouses at
all its facilities to ensure our coils and sheets arrive to you in prime condition
Standard and Grade :
Cold rolled steel coils | ||||
JIS G3141-2005 | EN10130-2006 | ASTM A1008-12a | ||
Commercial quality | SPCC | DC01 | CS Type A/B/C | |
Drawing quality | SPCD | DC03 | DS Type A/B | |
Deep drawing quality | SPCE SPCF(non aging) | DC04 | DDS | |
Extra deep drawing quality | SPCG(non aging) | DC05/06 | EDDS | |
Application :
Automobile Industry, White Goods, Home Applicances, Oil & Air filters, semi product for coating with enamel or zinc, construction &
building sector, air-conditioning, furniture, radiators, tubes, profiles, mechanical construction, shelving, containers, drums
Packing:
Packaging Detail | The packing of coil consists of anti-damp paper ,PVC film ,hardboard paper , steel box , strapped with steel strips, fitted with locks and edge protectors and guarantees the optimal condition of the delivered goods. Each coil can be additionally fitted with wooden/steel skids(eye of the side) or wooden pallets(eye of the sky) |
Delivery Time | within 30 days of receipt of LC original or prepayment |
Our Services:
MOQ | FCL, 25 metric tons per 20GP, can be assorted with different sizes. |
LCL for trial order is acceptable. | |
Price Term | EX-WORK, FOB China Port, CNF, CIF |
Payment | T/T, 30% advanced payment before production and balance before shipment; OR Irrevocable L/C at sight. |
Delivery Time | within 30 days of receipt of LC original or prepayment |
FAQ:
1. Can you offer OEM to me? What about MOQ?
Of course, we are a professional with OEM manufacturer for 9 years. the MOQ can be 50 ton/ order.
2. How to guarantee the quality of the products？
We have established the international advanced quality management system，every link from raw material to final product we
have strict quality test；We resolutely put an end to unqualified products flowing into the market. At the same time, we will
provide necessary follow-up service assurance.
3. How long can we receive the product after purchase?
Usually within thirty working days after receiving buyer’s advance payment or LC. We will arrange the factory manufacturing
as soon as possible. The cargo readiness usually takes 15-25 days, but the shipment will depend on the vessel situation.
4.How Can I Get Some Sample?
We are honored to offer you free sample, but courier charges will be on your side.
- Q:What are the different types of steel coil slitting processes?
- There are several different types of steel coil slitting processes, each with its own benefits and considerations. Here are some of the most common types: 1. Rotary slitting: This is the most traditional and widely used slitting process. It involves a rotating circular blade that cuts through the coil. Rotary slitting is highly precise and can produce narrow strips, making it suitable for a wide range of applications. 2. Loop slitting: In this process, the coil is fed through a loop before being cut. Loop slitting allows for high-speed processing and can handle thicker materials. It is commonly used for heavy-duty applications and large coils. 3. Drag slitting: Also known as shear slitting, this process uses a stationary blade that pulls the material through to make the cut. Drag slitting is suitable for thinner materials and offers a high-quality edge finish. 4. Crush slitting: This process involves pressing the material between two rollers to make the cut. Crush slitting is commonly used for delicate materials that require a gentle cutting action. It can produce clean cuts and minimize burrs. 5. Laser slitting: As the name suggests, this process uses a laser beam to cut through the coil. Laser slitting offers high precision and can handle a wide range of materials. It is particularly useful for specialty steels and thin strips. Each type of steel coil slitting process has its own advantages and limitations, so it's important to consider factors such as material thickness, coil size, and required strip width when choosing the appropriate method. Additionally, factors like cost, speed, and edge finish should also be taken into account to determine the best process for a specific application.
- Q:What are the different methods of painting steel coils?
- Painting steel coils can be achieved using various methods, each with unique benefits and practical applications. 1. Coil coating, an automated and continuous process, unwinds, cleans, pretreats, primes, paints, and cures the steel coils before rewinding them. This method guarantees precise paint application control and ensures a consistent finish. It is widely employed in high-volume production for industries like automotive and construction. 2. Spray painting, a versatile and flexible method, involves manually or mechanically spraying paint onto the steel coils. It allows for customization and precise control over the paint application. Depending on the desired finish and project requirements, spray painting can be done using techniques like airless spraying or electrostatic spraying. 3. Dip coating, also known as immersion coating, immerses the steel coils into a paint tank, ensuring complete coverage of all surfaces. This method is suitable for large or bulky steel coils that are not easily spray painted. Dip coating provides excellent coverage and is commonly used in applications like the electrical or appliance industry. 4. Powder coating, an electrostatic process, applies dry powder paint to the steel coils. Charged powder particles adhere to the grounded coils, creating a durable and even coating. This method offers superior resistance to impact, chemicals, and UV rays. It is frequently utilized in industries requiring high-quality and long-lasting finishes, such as aerospace or outdoor equipment. 5. Roll coating passes the steel coils through a series of rollers partially submerged in paint. As the coils move through the rollers, the paint is transferred to their surface. Roll coating is preferred for thin or delicate steel coils, as it provides a gentle and uniform paint application. It is commonly used in the appliance or electronics industry. Each method has its advantages and is selected based on factors like desired finish, production volume, cost, and project-specific requirements. Ultimately, the choice of painting method depends on achieving the optimal balance between quality, efficiency, and cost-effectiveness.
- Q:What are the dimensions of steel coils used in the metal furniture industry?
- The dimensions of steel coils used in the metal furniture industry can vary depending on the specific requirements of each manufacturer. However, commonly used dimensions include coil widths ranging from 24 to 60 inches (61 to 152 cm) and coil diameters ranging from 36 to 72 inches (91 to 183 cm). The thickness of the steel coils can also vary, typically ranging from 0.020 to 0.250 inches (0.05 to 0.64 cm). These dimensions allow manufacturers to efficiently produce various types of metal furniture, such as chairs, tables, and cabinets, by utilizing the steel coils as raw materials for their production processes.
- Q:How are steel coils protected from condensation?
- Steel coils are protected from condensation through a variety of methods including the application of moisture-resistant coatings, the use of desiccants or drying agents, and the implementation of proper storage and handling techniques such as maintaining appropriate temperatures and humidity levels.
- Q:Describe and explain how the differences in the properties of the thee main types of steel allow them to be used in different ways. I have some chemistry homework due in for tomorrow (yes I know i left it a bit late but I really don't like chemistry) and I would love it if I could actually at least pretend to my teacher that I know what she's on about this lesson because honestly, I really don't know what she spends so long telling us all. Any help would be appreciated and points for the best answer!
- TYPES OF STEEL: CARBON STEEL ============= Steels containing 0.2% C to 1.5% C are known as carbon steel. They are of three types. Low Carbon Steel It contains 0.2% carbon. Uses: Sheets, wires, pipes. Mild Carbon Steel It contains 0.3% to 0.7% carbon. Uses: Rails, boilers, plates, axles, structures. High Carbon Steel It contains 0.7% to 1.5% carbon. Uses: Surgical instruments, razor blades, cutlery, spring. STAINLESS STEEL =============== It contains 14% to 18% chromium and 7% to 9% nickel. Uses: Car accessories, watch case, utensils, cutlery. ALLOY STEEL ============= There are three types of alloy steel. Mn-Steel It contains 10%-18% Mn. Uses: Rail tracks, armor plate, safe. Si-Steel It contains 1% to 5% Si. Uses: Permanent magnet. Ni-Steel It contains 2% to 4% Ni. Uses: Machine components, Gear, shaft, cable. :) Ref. www.google .in/search?q=wikiso...
- Q:I know that the steel is significantly harder than when air cooled, but why is the quenched steel harder?
- When steel is slowly cooled, lots of carbon diffusion takes place because it is not very soluble in steel at room temperature. The carbon is in solution at high temperatures, and is rejected out of the lattice as it cools. And when this happens, the microstructure will consist of ferrite and pearlite, and the lattice structure will be base centered cubic (bcc). If it is cooled fast enough, then the carbon gets trapped in the interstitial sites of the lattice and distorts it to a body centered tetragonal (same as bcc, but elongated in one direction) This elongation strains the lattice and makes it harder. Also, when cooled fast enough the atoms do not have time to diffuse like they normally would and they shear into place. This forms the hard phase of martensite that is desired of heat treated steel. But then it must be tempered back some because it is too brittle.
- Q:What are they worth today? As well as a 1943 steel nickel?
- I think they are worth about a pennie.
- Q:How are steel coils used in the production of electronic devices?
- Steel coils are used in the production of electronic devices in a variety of ways. One common use is in the manufacturing of transformers and inductors, which are crucial components in many electronic devices. Transformers and inductors consist of a coil of wire wound around a core, and steel coils are often used as the core material due to their magnetic properties. The steel coils used in these components help to enhance the magnetic fields generated by the coils, enabling efficient energy transfer and voltage regulation. The magnetic properties of steel, such as its high permeability and low hysteresis loss, make it an ideal material for these applications. Additionally, steel coils are also used in the production of printed circuit boards (PCBs). PCBs are the backbone of most electronic devices and consist of a flat board made of non-conductive material, such as fiberglass, with a thin layer of copper traces etched onto it. These copper traces form the electrical connections between various components on the board. Steel coils are used in the production of PCBs as part of the fabrication process. They are typically used to create the stencils that are used to apply solder paste onto the board before component placement. The steel coils are laser-cut to create precise stencil patterns, allowing for accurate and consistent solder paste application. In summary, steel coils play a vital role in the production of electronic devices. They are used in the manufacturing of transformers and inductors, where their magnetic properties enhance energy transfer and voltage regulation. Steel coils are also utilized in the fabrication of PCBs, where they are used to create stencils for solder paste application. Overall, the use of steel coils helps ensure the efficient and reliable operation of electronic devices.
- Q:How are steel coils used in the production of doors and windows?
- Steel coils are used in the production of doors and windows as they provide the raw material for manufacturing the frames and components. The coils are processed and shaped into the desired profiles, which are then used to construct the frames, sashes, and other structural elements of doors and windows. This ensures strength, durability, and stability in the final products.
- Q:What are the common sizes of steel coils?
- The specific needs and requirements of different industries determine the variations in common sizes of steel coils. However, the steel manufacturing and processing sectors commonly utilize standard sizes. These sizes include: 1. Slit Coils: Typically smaller, slit coils are readily available in widths ranging from 0.5 inches to 72 inches. The weight of slit coils varies, usually falling between 1000 pounds and 50,000 pounds. 2. Master Coils: Larger in size, master coils are generally utilized in steel processing facilities for the production of different steel products. The width of master coils commonly ranges from 36 inches to 96 inches, while the weight may vary from 5,000 pounds to 60,000 pounds. 3. Sheet Coils: Construction, automotive, and appliance manufacturing industries often employ sheet coils. The standard sizes for sheet coils vary, but they are commonly found in widths of 48 inches, 60 inches, and 72 inches, with lengths ranging from 96 inches to 240 inches. 4. Plate Coils: Primarily utilized in heavy-duty applications such as shipbuilding, bridge construction, and pressure vessel manufacturing, plate coils tend to be larger in size. Their widths typically range from 36 inches to 96 inches, while lengths vary from 96 inches to 480 inches. It is important to note that these sizes are not fixed and can be customized according to specific customer requirements. Steel manufacturers and suppliers possess the capability to produce coils in various sizes to cater to the diverse needs of their clients.
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Steel coils cold rolled hot sale china products
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 49734 m.t./month
OKorder Service Pledge
OKorder Financial Service
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