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 is steel forgings machined for precision components?: Steel forgings are machined for precision components using various techniques such as milling, turning, drilling, and grinding. These processes involve carefully removing excess material to achieve the desired shape and dimensions with high accuracy and surface finish. The machinists utilize advanced tools, computer-controlled machines, and precise measurements to ensure that the steel forgings meet the required specifications for the precision components.

Q: What are the different methods of testing the quality of steel products?: There are several methods of testing the quality of steel products, including destructive and non-destructive testing methods. Destructive testing involves subjecting the steel to extreme conditions, such as tension, compression, or bending, to determine its mechanical properties and strength. Non-destructive testing methods include visual inspection, ultrasonic testing, magnetic particle testing, and radiographic testing, which allow for the detection of defects or irregularities in the steel without causing any damage. These testing methods help ensure that steel products meet the required quality standards and are fit for their intended applications.

Q: What are the advantages of using steel in the manufacturing of security doors and windows?: The advantages of using steel in the manufacturing of security doors and windows include its high strength, durability, and resistance to forced entry. Steel is a robust material that can withstand harsh weather conditions and physical attacks, offering enhanced protection against burglaries and break-ins. Additionally, steel doors and windows provide excellent fire resistance properties, making them a reliable choice for ensuring the safety and security of homes and commercial buildings.

Q: What are the different types of steel scaffolding systems?: There are several different types of steel scaffolding systems, including tube and coupler scaffolding, frame scaffolding, modular scaffolding, and suspended scaffolding.

Q: How are steel tubes used in the manufacturing of furniture?: Steel tubes are commonly used in the manufacturing of furniture to provide structural support and strength to various components. They are often used in the construction of chair frames, table legs, and other furniture pieces that require durability and stability. The versatility and robustness of steel tubes make them an ideal choice for creating sleek and modern designs while ensuring longevity and reliability in furniture manufacturing.

Q: How do steel products contribute to the agricultural and farming sector?: Steel products contribute to the agricultural and farming sector in multiple ways. They are used in the construction of farm buildings, barns, and sheds, providing sturdy and durable structures to house livestock, store crops, and protect machinery and equipment. Steel fencing and gates are also commonly used to secure and divide farming land, ensuring the safety and containment of animals and crops. Additionally, steel is utilized in the manufacturing of agricultural machinery and equipment, such as tractors, plows, harvesters, and irrigation systems, due to its strength and versatility. These steel-made tools and implements enhance productivity, efficiency, and precision in various farming operations, leading to increased yields and overall agricultural performance.

Q: How is steel used in the production of kitchen utensils and cookware?: Steel is commonly used in the production of kitchen utensils and cookware due to its durability, heat conductivity, and resistance to corrosion. It is often used as the primary material for pots, pans, knives, and other kitchen tools, ensuring long-lasting performance and even heat distribution during cooking.

Q: How are steel products used in the construction of power plants?: Steel products are extensively used in the construction of power plants due to their strength, durability, and resistance to extreme conditions. They are employed in various applications such as the fabrication of structural frameworks, support beams, and platforms, as well as for the construction of pressure vessels, pipelines, and storage tanks. Steel is also used in the manufacturing of turbines, generators, and other equipment essential for power generation. Overall, steel products play a crucial role in ensuring the stability, safety, and efficiency of power plants.

Q: What are the different types of steel valves and their uses?: There are several types of steel valves, including gate valves, globe valves, ball valves, butterfly valves, and check valves. Gate valves are used to control the flow of fluids by either fully opening or fully closing the valve. Globe valves are designed for regulating flow and are commonly used in industries where precise control is required. Ball valves have a spherical disc that controls the flow and are suitable for high-pressure applications. Butterfly valves have a disc that rotates to control the flow and are commonly used in large-scale systems. Check valves allow the flow of fluid in one direction and prevent backflow. The specific type of steel valve used depends on the application and the requirements of the system.

Q: What are the applications of steel forgings in the automotive industry?: Steel forgings have various applications in the automotive industry due to their strength, durability, and ability to withstand high temperatures and pressures. They are commonly used in critical components such as engine parts, transmission systems, steering systems, and suspension components. Additionally, steel forgings provide improved performance, reliability, and safety in vehicles, making them an essential material for modern automotive manufacturing.

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