Higher Finishing Surface CRC Coil System 1

Higher Finishing Surface CRC Coil

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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
DC01	≤0.10	≤0.50	≤0.035	≤0.025	≥0.020
DC03	≤0.08	≤0.45	≤0.030	≤0.025	≥0.020
DC04	≤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%

Higher Finishing Surface CRC Coil

Q:How are steel products used in the manufacturing of electrical equipment?: Steel products are used in the manufacturing of electrical equipment in various ways. For instance, steel sheets may be utilized for constructing the outer casings and frames of appliances and machinery. Steel wires are often employed to create the conductive elements within electrical cables. Additionally, steel can be used in the production of transformers, generators, and motors due to its magnetic properties. Overall, steel plays a crucial role in ensuring the durability, stability, and functionality of electrical equipment.

Q:What are the different types of steel scaffolding systems?: There are several types of steel scaffolding systems, including tube and coupler scaffolding, system scaffolding, and frame scaffolding. Tube and coupler scaffolding consists of tubes and couplers that are connected together to form a stable structure. System scaffolding uses pre-designed components that can be easily assembled and dismantled, providing flexibility and efficiency. Frame scaffolding is made up of frames and cross braces, offering a simple and sturdy solution for construction projects.

Q:What are the advantages of using steel plates in manufacturing?: There are several advantages of using steel plates in manufacturing. Firstly, steel plates are highly durable and have a high strength-to-weight ratio, making them suitable for heavy-duty applications. Secondly, steel plates have excellent corrosion resistance, reducing the risk of rust and increasing the lifespan of the manufactured product. Additionally, steel plates can be easily fabricated and modified to meet specific design requirements, providing flexibility in manufacturing processes. Lastly, steel plates offer superior heat resistance, making them ideal for applications that involve high temperatures or thermal stress.

Q:How is steel tubing manufactured?: Steel tubing is manufactured through a process called tube making, which involves several steps. Initially, a solid steel billet is heated and pierced to form a hollow tube. This tube is then elongated and reduced in diameter using a series of rollers, resulting in a thin-walled tube. Further processing, such as straightening, cutting, and bending, may be done to achieve the desired shape and dimensions. The final product is then subjected to various finishing treatments, including heat treatment, coating, and inspection, to ensure its quality and durability.

Q:How is steel used in the production of elevator systems?: Steel is used in the production of elevator systems for its strength and durability. It is used to construct the elevator car, shaft, and supporting infrastructure, providing a sturdy framework for safe and efficient vertical transportation. Additionally, steel is often used for the cables and pulleys that enable the elevator to move and carry heavy loads, ensuring reliable and smooth operation.

Q:How is steel wire used in the production of cables?: Steel wire is commonly used in the production of cables as a strength member or reinforcement. It provides structural integrity and durability, allowing the cable to withstand tension and prevent stretching or breaking. Steel wire is typically used in power cables, suspension bridges, elevator cables, and various other applications where strength and reliability are essential.

Q:How does steel pipe coating for oil pipelines work?: Steel pipe coating for oil pipelines works by applying a protective layer on the exterior surface of the steel pipe to prevent corrosion and damage. The coating, typically made of epoxy, polyethylene, or polyurethane, creates a barrier between the pipe and the surrounding environment, preventing contact with moisture, chemicals, and other corrosive agents. This coating process involves surface preparation, which includes cleaning, blasting, and priming the pipe, followed by the application of the coating material through various methods like spraying or wrapping. The coating not only enhances the durability and lifespan of the pipeline but also ensures the safe transportation of oil by minimizing the risk of leaks and structural failures.

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 are steel forgings used in the aerospace industry?: Steel forgings are extensively used in the aerospace industry due to their exceptional strength and durability. These forgings are employed in critical components such as landing gears, engine parts, and structural elements of aircraft. The high-quality steel used in forgings ensures the ability to withstand extreme temperatures, pressures, and stress, thereby enhancing the safety and reliability of aerospace vehicles. Additionally, steel forgings offer excellent fatigue resistance, enabling them to endure the rigorous demands of flight operations, making them an essential part of the aerospace industry.

Q:How do steel products contribute to the construction and infrastructure development sector?: Steel products are crucial to the construction and infrastructure development sector due to their strength, durability, and versatility. They are used in a wide range of applications such as beams, columns, and reinforcements, providing structural integrity to buildings and bridges. Steel's high strength-to-weight ratio allows for the creation of lightweight structures that can withstand heavy loads, making it ideal for constructing tall buildings and long-span bridges. Additionally, steel's resistance to corrosion ensures the longevity of structures in various environments. Overall, steel products play a vital role in the construction and infrastructure development sector by providing reliable and sustainable solutions.

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