Surface Finish Cold Rolled Steel Coil for Building Material

Surface Finish Cold Rolled Steel Coil for Building Material System 1

Surface Finish Cold Rolled Steel Coil for Building Material System 2

Surface Finish Cold Rolled Steel Coil for Building Material

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 10000 m.t./month

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Basic Info.

Model NO.:SPCC

Surface Treatment:Oiled

Technique:Cold Rolled

Standard:ASTM, JIS, GB, DIN, BS

Steel Grade:SPCC

Product Description:Cold Rolled Steel

Brand Name:Cheeho & OEM

Heat Treatment:Annealed

Temper Type:Ba

Margin Status:Ec & Em

Surface Condition:Sb & SD

Surface Quality:FC & Fd

Inner Diameter:508-610mm

Approved Certificate:SGS & ISO & BV & TUV

Export Markets:Global

Additional Info.

Trademark:CheeHo & OEM

Packing:Standard Seaworthy Package

Standard:SGS & ISO & BV & TUV Approved

Origin:Jiangyin, Jiangsu, China

HS Code:72091790

Production Capacity:250000mt/Year

Product Description

Brief Introduction
Cold Rolled Steel is steel that has been worked below its recrystallization temperature by passing it between a pair of rollers. Recrystallization temperature is the temperature at which grains in the lattice structure of the metal have been rearranged, leaving it free of strain and deformations. Cold Rolled Steel is pre-treated before being cold rolled with a process known as pickling, which uses strong acids to remove scale and other impurities. The Cold Rolled Steel is then passed through rollers to reduce its thickness. Most cold rolling takes place in multiple passes and as the size of the Cold Rolled Steel is further reduced, its strength and hardness both increase, but its ductility decreases. After cold rolling, heating the metal up in a process known as annealing can restore some of its ductility. The final Cold Rolled Steel coil may be manufactured in the form of sheets, strips, bars, or other forms.

Specification
1. Thickness: 0.4-2.0mm
2. Width: 900-1250mm
3. Inner Diameter: 508mm
4. Weight of Steel Coil: 3-15MT
5. Heat Treatment: Annealed
6. Margin Status: EC & EM
7. Surface Quality: FB&FC
8. Surface Status: SB & SD
9. Surface Treatment: Oiling

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%

Application
1. Base metal for coated and dipped products.
2. Home appliance
3. Precise welding tube
4. Flux cored welding wire
5. Bicycle, battery shell,
6. Automobile fitting, hardware
7. Enameling industry etc.

Superiority
1. High precision of dimensional tolerance
2. Excellent mechanical property such as the yield strength and tensile strength, etc.
3. Being highly resistant to denting
4. Exhibits useful magnetic properties
5. High quality surface finish and get well prepared for the surface coating
6. Available in a variety of sizes and shapes with characteristics useful in a wide range of applications

Chemical Components

Grade	Chemical Components
Grade	C	Mn	P	S	Alt
SPCC	≤0.12	≤0.50	≤0.035	≤0.025	≥0.020
SPCD	≤0.10	≤0.45	≤0.030	≤0.025	≥0.020
SPCE	≤0.08	≤0.40	≤0.025	≤0.020	≥0.020

Q: Can steel coils be used in the production of agricultural equipment?: Yes, steel coils can be used in the production of agricultural equipment. Steel is a commonly used material in the manufacturing of agricultural machinery such as tractors, plows, harvesters, and irrigation systems. Steel coils can be formed, cut, and shaped to create various components and structures required for these equipment. The strength, durability, and corrosion resistance of steel make it suitable for withstanding the harsh conditions and heavy workloads involved in agricultural operations.

Q: What are the common surface defects found in steel coils?: There are several common surface defects that can be found in steel coils. One of the most common defects is rust or corrosion. This occurs when moisture comes into contact with the steel surface, causing it to oxidize and form rust. Another common defect is scratches or abrasions, which can occur during the handling or transportation of the coils. These can range from minor surface scratches to deeper gouges that can affect the structural integrity of the steel. In addition, there can be surface roughness or unevenness, which can be caused by improper rolling or cooling processes during manufacturing. This can result in an inconsistent surface texture that may impact the appearance and performance of the steel. Another defect is scale, which is a layer of oxide that forms on the surface of the steel during the manufacturing process. This can give the steel a rough and uneven appearance. Finally, there can be oil or grease stains on the surface of the steel, which can occur during the manufacturing or handling process. These stains can affect the adhesion of paints or coatings applied to the steel. Overall, these common surface defects in steel coils can impact the quality, appearance, and performance of the steel, and may require remedial actions such as cleaning, grinding, or recoating to resolve.

Q: What are the different types of steel coil storage systems used during processing?: There are various types of steel coil storage systems used during processing, including coil racks, coil cradles, coil saddles, coil blocks, and coil pads. These systems provide a safe and organized way to store steel coils, ensuring easy access, efficient handling, and minimizing the risk of damage.

Q: why were guns, germs and steel absent within America?: i dont really understand this question but if it means to how it was before then it was absent because the native americans were not into technology so they obviously had no guns created that was something that they had traded to get from europe as for the germs i ddo not know about thta really except for if it means that common disease and one of the diseases most used in history books is malaysa from mosquitos but when they had traded with europe they got all sorts of diseases now for steel the only reason i remember them traveling for is for gold and i dont remember them ever looking for it until 13 colonies were established as you can see im not exactly sure about germs and steels but i know that the guns part is correct

Q: How are steel coils used in the production of power generation equipment?: Steel coils are used in the production of power generation equipment as they are shaped and formed into various components such as turbine casings, generator frames, and steam pipes. These coils provide the necessary strength and durability to withstand the high temperatures, pressure, and mechanical stresses involved in power generation processes. Additionally, steel coils are often coated with protective layers to prevent corrosion, ensuring the longevity and reliability of the equipment.

Q: What are the different methods of edge trimming steel coils?: There are several different methods used for edge trimming steel coils, depending on the specific requirements and preferences of the manufacturer. Some of the common methods include: 1. Slitting: This is a widely used method where the coil is passed through a set of rotating circular blades to cut the edges of the steel coil. Slitting allows for precise trimming of the edges and can be used for various thicknesses of steel coils. 2. Milling: In this method, the edges of the steel coil are trimmed using milling cutters, which remove the excess material to achieve the desired edge finish. Milling is often used for thicker steel coils or when a specific edge profile is required. 3. Shearing: Shearing involves the use of a sharp blade to cut through the steel coil along a straight line. This method is commonly used for thinner steel coils and provides a clean and straight edge. 4. Laser cutting: Laser technology is also employed for edge trimming steel coils. A focused laser beam is used to melt or vaporize the excess material, resulting in a precise and smooth edge. Laser cutting is often used for thinner gauges or when intricate shapes or patterns are required. 5. Water jet cutting: This method utilizes a high-pressure stream of water mixed with abrasive particles to trim the edges of the steel coil. Water jet cutting offers a versatile and precise cutting solution, especially for thicker steel coils and complex shapes. It is important for manufacturers to carefully evaluate their specific requirements, such as coil thickness, desired edge finish, speed, and cost, in order to select the most appropriate method of edge trimming for their steel coils.

Q: What is the average thickness tolerance for steel coils?: The average thickness tolerance for steel coils can vary depending on the specific industry and application. However, a common tolerance range for steel coils is typically around +/- 0.005 to 0.01 inches.

Q: haii, i have this guitar thats quite old and im not quite sure whether to put steel strings on it. there were very thin badly worn steel strings on it when i got it, so i think its an acoustic: if you can get a good picture of the bridge i can tell for sure i thing steel

Q: How do steel coils contribute to strength and durability in manufacturing?: Steel coils contribute to strength and durability in manufacturing primarily due to their composition and structural properties. The tightly wound coils are made from high-quality steel, which offers excellent strength, rigidity, and resilience. This enables manufacturers to produce sturdy and long-lasting products, as the steel coils provide a solid foundation and structural integrity to various applications. Additionally, steel coils are often used in the construction of infrastructure, machinery, and automotive industries, where their durability and resistance to wear and tear play a vital role in ensuring the longevity and reliability of the final product.

Q: How are steel coils used in the manufacturing of suspension systems?: Steel coils are used in the manufacturing of suspension systems as they provide the necessary support and flexibility to absorb shocks and vibrations, ensuring a smooth and comfortable ride. These coils are typically used in coil spring suspension systems, where they are compressed and stretched to absorb and distribute the weight of the vehicle, maintaining stability and enhancing overall performance.

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