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Home Appliance Applied CRCA

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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

C

Mn

P

S

Si

Q195

0.12

0.50

0.035

0.04

0.30

Mechanical Properties

1. Yield Strength: ≤285MPa

2. Tensile Strength: ≤347MPa

3. Elongation (L=50mm, b=25mm) When:

(1) Nominal Thickness <0.25mm: 34%

(2) Nominal Thickness 0.25mm-<0.40: 36%

(3) Nominal Thickness 0.40-<0.60mm: 38%

(4) Nominal Thickness 0.60-<1.0mm: 40%

(5) Nominal Thickness 1.0-<1.6mm: 41%

(6) Nominal Thickness >1.6mm: 42%



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:How does steel pipe threading for fire sprinkler systems work?
Steel pipe threading for fire sprinkler systems involves the process of cutting threads into the ends of steel pipes to create a secure and leak-proof connection. This threading is typically done using a specialized machine called a pipe threader, which cuts precise grooves into the pipe's outer surface. These threads allow the pipes to be joined together using fittings, such as couplings or elbows, to form a complete fire sprinkler system. The threaded connection ensures that the pipes are tightly sealed, preventing any water or pressure leakage, thereby ensuring the effectiveness of the fire sprinkler system.
Q:What are the different methods of testing the quality of steel products?
There are several methods used to test the quality of steel products, including destructive and non-destructive testing techniques. Destructive methods involve physically damaging the steel sample, such as tensile testing to measure strength and ductility, hardness testing to assess its resistance to indentation, and impact testing to determine its toughness. Non-destructive methods, on the other hand, allow for evaluation without causing any damage, such as ultrasonic testing to detect internal defects, magnetic particle inspection to identify surface cracks, and visual inspection to assess overall appearance and dimensional accuracy. These various testing methods help ensure the quality and integrity of steel products in different aspects.
Q:How are steel products used in the aerospace industry?
Steel products are used in the aerospace industry for various purposes, including the construction of aircraft structures, engine components, and landing gear. Steel's strength, durability, and high temperature resistance make it an ideal material for these critical applications, ensuring the safety and reliability of aerospace vehicles.
Q:What are the common types of steel products used in the mining industry?
Some common types of steel products used in the mining industry include steel pipes, steel plates, steel bars, and steel wire ropes. These products are used for various purposes such as constructing mining equipment, supporting underground tunnels, and reinforcing structures in mining operations.
Q:What are the different types of steel profiles used in architectural designs?
There are various types of steel profiles commonly used in architectural designs, such as I-beams, H-beams, channels, angles, and tubes. These profiles offer different structural properties and can be used to create a wide range of architectural elements, including columns, beams, trusses, and frames. The choice of steel profile depends on the specific design requirements, load-bearing capacity, and aesthetic preferences of the project.
Q:How is steel used in the manufacturing of mining equipment?
Steel is used extensively in the manufacturing of mining equipment due to its exceptional strength, durability, and resistance to wear and tear. It is used to construct various components such as drill bits, crushers, conveyor belts, and ore processing machinery, ensuring the equipment can withstand the harsh conditions and heavy loads encountered during mining operations.
Q:How is steel used in the transportation industry?
Steel is used extensively in the transportation industry for various applications such as building vehicles, manufacturing railway tracks, constructing bridges, and designing infrastructure. It provides strength, durability, and impact resistance, making it an ideal material for ensuring the safety and reliability of transportation systems.
Q:What are the common uses of steel products in construction?
Steel products are commonly used in construction for a variety of purposes such as structural framing, reinforcement of concrete, roofing, cladding, and fabrication of beams, columns, and trusses. Additionally, steel is used in the construction of bridges, highways, and other infrastructure projects due to its strength, durability, and ability to withstand heavy loads and harsh environmental conditions.
Q:What are the different types of steel chains and their applications?
There are several types of steel chains, each designed for specific applications. Some common types include: 1. Proof coil chains: These are general-purpose chains used for towing, securing loads, and restraining objects in various industries. 2. Grade 30 chains: Also known as Grade 30 proof coil chains, these are commonly used in light-duty applications, such as agriculture, construction, and general-purpose lifting. 3. Grade 43 chains: These chains have higher tensile strength than Grade 30 chains and are suitable for heavier-duty applications, including transportation, logging, and towing. 4. Grade 70 chains: Known as transport chains, these chains are specifically designed for securing cargo on trucks, trailers, and flatbeds. They have a higher strength-to-weight ratio, making them ideal for load binding. 5. Grade 80 chains: These chains are mostly used in lifting applications due to their high strength and durability. They are commonly found in construction, mining, and oil and gas industries. 6. Grade 100 chains: These chains have the highest tensile strength and are primarily used for heavy-duty lifting and rigging applications. They are commonly seen in shipyards, steel mills, and offshore operations. 7. Stainless steel chains: These chains are resistant to corrosion and are suitable for applications where exposure to moisture or chemicals is a concern. They are commonly used in food processing, marine environments, and medical equipment. Overall, the choice of steel chain depends on the specific application requirements, load capacity, environment, and desired level of durability.

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