High Quality Surface Finish Cold Rolled Steel

High Quality Surface Finish Cold Rolled Steel System 1

High Quality Surface Finish Cold Rolled Steel

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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
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

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%

High Quality Surface Finish Cold Rolled Steel

Q: How is carbon steel different from stainless steel?: Carbon steel and stainless steel are two distinct types of steel with different properties. The main difference lies in their composition and resistance to corrosion. Carbon steel contains a higher amount of carbon, which gives it strength and durability but makes it prone to rusting. On the other hand, stainless steel is an alloy that contains chromium, which enhances its corrosion resistance. This makes stainless steel less likely to rust or stain, making it suitable for applications where exposure to moisture or corrosive substances is expected.

Q: What are the different types of steel forgings and castings?: There are several different types of steel forgings and castings, including open die forgings, closed die forgings, sand castings, investment castings, and centrifugal castings. Each type has its own unique manufacturing process and is used for different applications based on their specific properties and characteristics.

Q: How does steel pipe threading work?: Steel pipe threading is a process used to create threads on the ends of steel pipes. It typically involves using a die and a threading machine to cut the desired threads onto the pipe. The die is placed on the pipe and then the machine rotates the pipe while the die cuts the threads into the surface. This creates a threaded section on the pipe that can be used to connect it with other pipes or fittings. Threading is commonly used in various industries, including plumbing and construction, to ensure tight and secure connections between steel pipes.

Q: What are the applications of steel wire mesh in acoustic panels?: Steel wire mesh is commonly used in acoustic panels for various applications. It helps to enhance the sound absorption and diffusion properties of the panels by providing structural support and stability. The mesh acts as a barrier that prevents sound waves from passing through, reducing sound transmission and improving the acoustic performance of the panels. Additionally, the mesh can be used as a decorative element, adding an aesthetic appeal to the acoustic panels.

Q: How is steel used in the production of agricultural machinery?: Steel is commonly used in the production of agricultural machinery due to its high strength and durability. It is used to fabricate the frames, bodies, and various components of these machines, providing the necessary structural support to handle heavy loads and withstand harsh operating conditions. Additionally, steel can be easily shaped and welded, allowing manufacturers to create complex and efficient designs for different types of agricultural equipment.

Q: What are the different grades of steel?: There are several different grades of steel, including carbon steel, alloy steel, stainless steel, tool steel, and high-speed steel. Each grade has its own unique composition and properties, making them suitable for different applications and industries.

Q: How is steel sheet metal formed into automotive body panels?: Steel sheet metal is formed into automotive body panels through a process called stamping or pressing. In this process, the steel sheet is placed between two dies, one of which has the desired shape of the body panel. The top die is then pressed onto the sheet metal with high force, causing it to bend and take the shape of the die. This process is repeated multiple times, with different dies and angles, until the desired shape and structure of the body panel is achieved.

Q: How is steel used in the construction of railway bridges?: Steel is commonly used in the construction of railway bridges due to its high strength and durability. It is used to create the structural framework and support systems of the bridge, including the main beams, columns, and trusses. Steel's ability to withstand heavy loads and resist deformation makes it ideal for withstanding the weight of trains and ensuring the bridge remains stable and safe. Additionally, steel is easily fabricated, allowing for efficient construction and maintenance of railway bridges.

Q: How is steel used in the production of solar panels?: Steel is used in the production of solar panels primarily for structural support and framing purposes, providing stability and durability to the panels.

Q: How is steel used in the production of machinery and equipment?: Steel is widely used in the production of machinery and equipment due to its strength, durability, and versatility. It is used to manufacture various components such as frames, casings, gears, and bearings, providing the necessary structural integrity and mechanical capabilities. Steel's ability to withstand high temperatures, corrosion, and heavy loads makes it ideal for applications in heavy machinery, construction equipment, automotive industry, and many other sectors.

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