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:Can steel be recycled? If so, how?: Yes, steel can be recycled. The process involves collecting steel products, such as old vehicles or scrap metal, and taking them to a recycling facility. At the facility, the steel is sorted, cleaned, and shredded into small pieces. These pieces are then melted down in a furnace to remove impurities and create new steel. The recycled steel can be used to manufacture various products, reducing the need for raw materials and conserving energy.

Q:How is steel bar reinforcement used in concrete structures?: Steel bar reinforcement is used in concrete structures to enhance their strength and durability. The steel bars are placed within the concrete to provide tensile strength, which concrete lacks. By reinforcing the concrete with steel bars, the structure becomes capable of handling greater loads and resisting cracks or deformations. This combination of materials, known as reinforced concrete, allows for the construction of various structures like buildings, bridges, and dams that can withstand significant forces and maintain their structural integrity over time.

Q:What are the properties of weathering steel for outdoor sculptures?: Weathering steel, also known as Corten steel, is widely used for outdoor sculptures due to its unique properties. It is highly resistant to corrosion, making it ideal for withstanding outdoor elements without the need for additional protective coatings. Weathering steel forms a protective rust-like layer on its surface, which not only enhances its aesthetic appeal but also acts as a barrier against further corrosion. This self-protecting quality makes it a durable and low-maintenance material for outdoor sculptures. Additionally, weathering steel has a high tensile strength, allowing for the creation of intricate and large-scale sculptures.

Q:What are the applications of alloy steel in the manufacturing of heavy machinery?: Alloy steel finds several applications in the manufacturing of heavy machinery due to its superior strength, durability, and resistance to corrosion and wear. It is commonly used in the production of components such as gears, shafts, axles, and structural frames, where high strength and toughness are essential. Additionally, alloy steel offers excellent heat resistance, making it suitable for parts exposed to extreme temperatures and harsh operating conditions. Overall, the use of alloy steel in heavy machinery manufacturing ensures enhanced performance, increased lifespan, and improved reliability of the equipment.

Q:How are steel products used in the mining industry?: Steel products are widely used in the mining industry for various purposes such as infrastructure construction, equipment manufacturing, and ore processing. Steel is used to build strong and durable structures like mine shafts, tunnels, and support systems. It is also used to manufacture mining equipment such as drills, crushers, and conveyors, which are essential for extracting and transporting minerals. Moreover, steel is utilized in the processing of ores through grinding mills and smelting furnaces. Overall, steel products play a vital role in enhancing the efficiency, safety, and productivity of mining operations.

Q:How is steel wire rope manufactured?: Steel wire rope is manufactured through a process called wire drawing. It starts with raw steel wire being drawn through a series of dies to reduce its diameter and increase its strength. This wire is then twisted together to form strands, which are further twisted around a core to create the final rope. These ropes undergo heat treatment and various tests to ensure their quality and durability.

Q:How is steel sheet metal coated for corrosion protection?: Steel sheet metal is coated for corrosion protection through a process called galvanization. In this process, the steel is dipped into a bath of molten zinc or electroplated with zinc, creating a protective layer that acts as a barrier against corrosion. This zinc coating, also known as galvanized coating, provides excellent resistance to rust and corrosion, ensuring the longevity and durability of the steel sheet metal.

Q:How is steel wire rope inspected for fatigue and wear?: Steel wire rope is inspected for fatigue and wear through a variety of methods. One common approach is visual inspection, where trained personnel examine the rope for any signs of fraying, broken wires, or corrosion. Additionally, non-destructive testing techniques such as magnetic particle inspection or ultrasonic testing can be used to detect internal flaws or defects. Regular load testing is also conducted to evaluate the rope's performance under simulated working conditions. Overall, a combination of visual inspection, non-destructive testing, and load testing ensures a thorough inspection of steel wire rope for fatigue and wear.

Q:How is steel used in the production of packaging materials?: Steel is commonly used in the production of packaging materials due to its strength, durability, and recyclability. It is used to create cans, containers, and lids that can safely hold and preserve various products, such as food, beverages, and chemicals. Steel packaging provides excellent protection against moisture, light, and air, ensuring product integrity and extending shelf life. Additionally, steel is highly sustainable as it can be recycled indefinitely, making it an environmentally friendly choice for packaging materials.

Q:What are the common types of steel products used in the marine industry?: Common types of steel products used in the marine industry include shipbuilding plates, marine grade stainless steel, naval steel, and marine structural sections such as beams, angles, and channels.

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