• Forged AISI 52100 Steel Hot Rolled Round Bar Steel System 1
  • Forged AISI 52100 Steel Hot Rolled Round Bar Steel System 2
  • Forged AISI 52100 Steel Hot Rolled Round Bar Steel System 3
Forged AISI 52100 Steel Hot Rolled Round Bar Steel

Forged AISI 52100 Steel Hot Rolled Round Bar Steel

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
50000 m.t./month

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Item specifice

Type:
Spring Steel
Shape:
Steel Round Bar

 Forged AISI 52100 Steel Hot Rolled Round Bar Steel

 

Product Details:

1. AISI 52100/EN31/GCr 15/ DIN 1.3505/JIS SUJ2  bearing steel round bar 

2.Hot rolled or forged condition, annealing , black or milled surface

3.Hardness: ≤210HBS ; 

4 Hot rolled technology:EAF+LF+VD

   Forged technology: EAF+LF+VD+ESR+Forging +Q T + Machined surface 

5.Ultrasonic test standard: SPE1921-GR3, CLASS C/C

6.Production leadtime: 7~10 days

 

Chemical Composition:

C

Si

Mn

P

S

Cr

Mo

0.95-1.05

0.15-0.35

0.25-0.45

≤0.025

≤0.025

1.4-1.65

0.1 max

 

Advantage:

1)good comprehensive properties

2)good perfomance in cutting and processing after spheroids annealing

3)high hardness and homogrnization after quenching and tempering

4)high abrasive resistance and fatigue resistance

5)large amount of metal elements

6)Top quality

7)GCr15 is the most widely used bearing steel

 

Application:

Our products have been used in all kinds of areas, such as aviation,aerospace,navigation,nuclear energy,chemical 

industry,electronic information,achine manufacture, petrochemical, automotive,instrument and meter, Communication ,

transportation, and medical instruments, etc.

 

Product Show:

 

Forged AISI 52100 Steel Hot Rolled Round Bar Steel

Forged AISI 52100 Steel Hot Rolled Round Bar Steel

Forged AISI 52100 Steel Hot Rolled Round Bar Steel

Q:What are the different power generation grades of special steel?
There are several different power generation grades of special steel used in various applications within the power generation industry. These grades are specifically designed to withstand high temperatures, pressures, and corrosive environments encountered in power plants. One common grade is known as 9Cr-1Mo-V steel, also referred to as Grade 91. It is a high-strength, low-alloy steel that is widely used in the construction of boiler components such as headers, tubes, and turbine rotors. Grade 91 steel offers excellent creep strength, oxidation resistance, and thermal stability, making it suitable for high-temperature operations. Another grade commonly used in power generation is 12Cr-1Mo-V steel, also known as Grade 11. It is primarily used in the fabrication of superheater and reheater tubes for power boilers. Grade 11 steel exhibits good high-temperature strength, corrosion resistance, and weldability, making it ideal for these applications. Additionally, there is a grade called 2.25Cr-1Mo steel (Grade 22) which is often used in the construction of pressure vessels and piping systems in power plants. It has excellent creep resistance, high-temperature strength, and resistance to hydrogen attack, making it suitable for critical components in power generation facilities. Furthermore, there are other specialized grades like 5Cr-0.5Mo steel (Grade 5) and 9Cr-0.5Mo steel (Grade 9) that are used in specific power generation applications where elevated temperatures and pressures are encountered. These grades offer a combination of strength, corrosion resistance, and thermal stability to ensure reliable performance in demanding environments. In summary, the power generation industry utilizes various grades of special steel specifically designed to meet the unique requirements of power plants. These grades provide high-temperature strength, corrosion resistance, and other essential properties necessary for efficient and reliable power generation operations.
Q:How is carbon steel used in the manufacturing of pipes and tubes?
Carbon steel is commonly used in the manufacturing of pipes and tubes due to its durability, strength, and cost-effectiveness. It is a versatile material that can withstand high temperatures and pressures, making it suitable for various applications such as oil and gas pipelines, water distribution systems, and structural supports. Additionally, carbon steel can be easily welded and fabricated, allowing for efficient production and customization of pipes and tubes to meet specific requirements.
Q:What are the different methods for shot peening special steel?
There are several methods for shot peening special steel, including air blast peening, wheel blast peening, and centrifugal peening. Air blast peening involves directing a stream of shot particles onto the surface using compressed air, while wheel blast peening uses a rotating wheel to propel the shot particles. Centrifugal peening utilizes a spinning wheel to throw the shot particles onto the steel surface. Each method has its own advantages and is used based on the specific requirements of the steel and the desired outcome of the shot peening process.
Q:How does special steel contribute to the defense machinery industry?
Special steel plays a crucial role in the defense machinery industry by offering a range of benefits and contributing to the overall performance and durability of various defense equipment. Firstly, special steel possesses exceptional strength and toughness, making it suitable for manufacturing critical components such as armor plates, ballistic missiles, submarines, and tanks. These components require high resistance to impact, penetration, and extreme conditions, which special steel can provide, ensuring the safety and protection of military personnel and assets. Additionally, special steel offers excellent corrosion resistance, a vital characteristic for defense machinery used in harsh environments such as maritime operations or combat zones. Corrosion can weaken structures and compromise the functionality of equipment, but special steel's resistance helps maintain the integrity and longevity of defense machinery, reducing maintenance costs and increasing operational readiness. Furthermore, special steel enables the production of precision components with high dimensional stability, essential for advanced defense systems like aircraft, missiles, and radars. These components require exceptional accuracy and reliability to function optimally, and special steel's uniformity and consistency meet these demands, ensuring precise performance and enhancing the overall capabilities of defense machinery. Moreover, special steel also contributes to weight reduction in defense machinery. As military equipment becomes more complex and technologically advanced, reducing weight while maintaining strength is crucial for enhancing mobility, fuel efficiency, and overall operational effectiveness. Special steel's high strength-to-weight ratio allows for the development of lighter defense machinery without compromising on durability or protection. In summary, special steel's exceptional strength, corrosion resistance, dimensional stability, and weight reduction properties make it an indispensable material in the defense machinery industry. It enables the production of robust and reliable equipment, ensuring the safety and effectiveness of military operations and enhancing the overall capabilities of defense forces.
Q:How is special steel tested for quality control?
Special steel is tested for quality control through a series of rigorous inspections and tests. These can include chemical composition analysis, mechanical property testing, non-destructive testing, and dimensional inspections. Additionally, special steel may undergo heat treatment testing, surface quality evaluations, and microstructure examinations to ensure it meets the required standards and specifications.
Q:What properties make special steel unique?
Special steel, also known as alloy steel, possesses unique properties that set it apart from other types of steel. Firstly, special steel is distinguished by its exceptional strength and hardness. It is engineered to have a high resistance to deformation, making it suitable for applications that require robust materials. Whether in construction, automotive, or aerospace industries, special steel provides the necessary durability and reliability. Another remarkable property of special steel is its superior corrosion resistance. By incorporating certain alloying elements such as chromium, nickel, or molybdenum, this type of steel becomes highly resistant to rust and other forms of corrosion. As a result, special steel is often used in marine environments, chemical plants, and oil and gas industries where exposure to harsh conditions is prevalent. Furthermore, special steel demonstrates excellent heat resistance. It can withstand high temperatures without losing its strength or structure, making it suitable for applications in extreme heat environments, such as power generation or furnace components. This property allows special steel to be utilized in critical situations where other materials may fail or degrade. Special steel is also known for its versatility and adaptability. With various alloying elements and heat treatment processes, it can be tailored to meet specific requirements of different industries. This flexibility makes it possible to create specialized alloys with unique properties, such as improved machinability, wear resistance, or enhanced magnetic properties, catering to a wide range of applications. In conclusion, the properties that make special steel unique are its exceptional strength and hardness, superior corrosion resistance, excellent heat resistance, and its versatility in being tailored to specific requirements. These properties make special steel an invaluable material in numerous industries, enabling the development of innovative and reliable products.
Q:How does special steel perform in hot forging processes?
Special steel is specifically engineered to endure high temperatures and excel in hot forging procedures. When subjected to extreme heat, special steel retains its strength and hardness, rendering it perfect for utilization in hot forging applications. One of the principal benefits of special steel in hot forging lies in its superb heat resistance. It can endure elevated temperatures without compromising its structural integrity, guaranteeing the preservation of its desired properties throughout the forging process. This enables the production of forged components with consistent quality and dimensional accuracy. Moreover, special steel demonstrates commendable thermal conductivity, aiding in the even distribution of heat during forging. This facilitates efficient heating and diminishes the likelihood of localized overheating or cold spots. The uniform distribution of heat also contributes to a homogeneous grain structure, enhancing the overall strength and mechanical properties of the forged parts. Furthermore, special steel possesses exceptional wear resistance and toughness, even in elevated temperatures. This ensures that the steel can withstand the substantial forces and pressures involved in the hot forging process without succumbing to deformation or failure. The combination of high strength, wear resistance, and toughness allows for the production of forged components capable of enduring heavy loads and harsh operating conditions. Additionally, special steel lends itself to easy machining and shaping, enabling the forging of intricate designs and complex forms. This versatility makes it suitable for a broad range of hot forging applications, including automotive parts, industrial machinery components, and aerospace components. In conclusion, special steel excels in hot forging processes. Its heat resistance, thermal conductivity, wear resistance, toughness, and machinability establish it as an ideal material for the production of high-quality, long-lasting, and intricate forged components.
Q:What is the impact of high temperature on the mechanical properties of special steel?
The mechanical properties of special steel are significantly affected by high temperature. When subjected to high temperatures, special steel may experience thermal softening, which leads to a decrease in its mechanical strength. This is primarily caused by the reduction in yield strength and hardness of the material at elevated temperatures. One of the main consequences of high temperature on special steel is the decrease in its ability to resist deformation. At elevated temperatures, the steel becomes more ductile, making it more prone to elongation and plastic deformation. This increase in ductility can result in a loss of shape and integrity under load, leading to distortion, warping, or even component failure. Additionally, high temperatures can induce changes in the microstructure of special steel. Prolonged exposure to elevated temperatures can result in the formation and growth of grain boundaries, weakening the material's mechanical properties. Moreover, high temperature can facilitate the diffusion of impurities or alloying elements within the steel, altering its chemical composition and potentially affecting its mechanical behavior. Another consequence of high temperature on special steel is the decrease in its resistance to corrosion and oxidation. At elevated temperatures, the steel becomes more vulnerable to oxidation, leading to the formation of scales or even complete degradation of the material. This compromises the steel's mechanical properties, including its strength and toughness. In conclusion, high temperature has a detrimental impact on the mechanical properties of special steel. It reduces strength, increases ductility, alters microstructure, and decreases resistance to corrosion and oxidation. Therefore, it is crucial to consider the effects of high temperature when designing and selecting special steel for applications involving exposure to elevated temperatures.
Q:What are the different joining processes for special steel?
There are various joining processes for special steel, including welding, brazing, and soldering. Welding involves melting the steel and fusing it together, while brazing uses a filler metal with a lower melting point to join the steel parts. Soldering, on the other hand, uses a lower melting point alloy to create a bond between the steel pieces. Each process has its own advantages and limitations, and the choice depends on factors such as the type of steel, the desired strength of the joint, and the application requirements.
Q:What are the different types of corrosion-resistant steel?
There are several different types of corrosion-resistant steel, including stainless steel, galvanized steel, weathering steel, and nickel alloy steel.

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