• 52100 Bearing Steel Rounds Hot Rolled Treatment System 1
  • 52100 Bearing Steel Rounds Hot Rolled Treatment System 2
52100 Bearing Steel Rounds Hot Rolled Treatment

52100 Bearing Steel Rounds Hot Rolled Treatment

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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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Specification

Type:
Bearing Steel
Shape:
Steel Round Bar

 52100 Bearing Steel Rounds Hot Rolled Treatment

 

Product Description:

Material

suj2

Chemical Composition

Mechanical Properties(In Quenched & Tempered State)

C

0.95-1.05

Tensile strength(MPA) 

----

Si

0.15-0.35

Yield strength (MPA)

--

Mn

0.25-0.45

Elongation(δ5/%)

--

Cr

1.40-1.65

Reduction in Area (ψ/%)

--

Mo

≤0.10

Impact  (J)

--

P

≤0.025

 

 

Hardness  

HB170-207 

HB207-229 

HB270-390 

HB229-285 

HRC62-66 

HRC61-66 

HRC≈67 

S

≤0.025

Ni

≤0.30

Cu

≤0.25

Ni+Cu

≤0.50

 

Characteristics:

 1) Good hardability and high toughness

 

2) Long fatigue life

 

3) Medium cold processing plasticity

 

4) Certain machinability

 

5) Poor weldability

 

Application:

 1) Steel ball, roller and collar of large machinery bearing

 

2) High-hardness and high contact fatigue strength machinery parts with heavy load, such as axis of rotation, blade, stator pump, profiling, sleeve, mandril, etc.

 

 Photos of our  products:

52100 Bearing Steel Rounds Hot Rolled Treatment

52100 Bearing Steel Rounds Hot Rolled Treatment

52100 Bearing Steel Rounds Hot Rolled Treatment

Q:What are the different peening techniques used for special steel?
Some of the different peening techniques used for special steel include shot peening, ultrasonic peening, laser peening, and needle peening.
Q:How is electrical steel used in the manufacturing of transformers?
Electrical steel, also known as silicon steel, is crucial in the manufacturing of transformers. It is used to construct the core, which is the heart of the transformer. The unique magnetic properties of electrical steel allow it to efficiently conduct and transfer electrical energy. By laminating thin layers of electrical steel together, the core minimizes energy losses through eddy currents and hysteresis. This ensures optimal performance, high efficiency, and reduced heat generation in transformers.
Q:Can special steel be used in the manufacturing of consumer goods?
Yes, special steel can be used in the manufacturing of consumer goods. Special steel refers to a specific type of steel that has been engineered to possess unique properties, such as increased strength, corrosion resistance, heat resistance, or wear resistance. These enhanced properties make it suitable for a wide range of applications, including consumer goods. Consumer goods encompass a diverse range of products, such as kitchen appliances, electronics, automobiles, tools, and furniture. Special steel can be utilized in various components and parts of these goods to enhance their performance and durability. For example, in kitchen appliances, special steel can be used to manufacture blades, heating elements, or cooking surfaces, providing improved cutting efficiency, heat distribution, and resistance to corrosion. In electronics, special steel can be used to manufacture casings, connectors, or springs, ensuring durability, conductivity, and resistance to temperature fluctuations. Furthermore, special steel can also be used in manufacturing consumer goods that require high precision and reliability. For instance, in automotive manufacturing, special steel can be used for engine components, chassis, or safety features, providing enhanced strength, impact resistance, and structural integrity. Similarly, in the production of tools and equipment, special steel can be used to manufacture drill bits, cutting tools, or machine components, ensuring longevity, precision, and performance. Overall, special steel offers distinct advantages over conventional steel in terms of its unique properties, making it a suitable material choice for manufacturing consumer goods. Its enhanced strength, corrosion resistance, heat resistance, or wear resistance characteristics can significantly improve the performance, durability, and reliability of consumer products, meeting the demands and expectations of consumers.
Q:What are the different methods for improving the tensile strength of special steel?
There exists several approaches to enhance the tensile strength of special steel. 1. Alloying: Incorporating alloying elements like chromium, nickel, molybdenum, or vanadium into the steel is a widely used technique. These elements create solid solutions within the iron matrix, augmenting the steel's strength, hardness, corrosion resistance, and wear resistance. 2. Heat treatment: Employing heat treatment is another effective means to increase the tensile strength of special steel. Processes such as quenching, tempering, and annealing are commonly employed. Quenching involves rapidly cooling the steel from a high temperature, resulting in a hardened microstructure. Subsequently, tempering reduces brittleness and enhances the steel's toughness. Conversely, annealing necessitates heating the steel to a specific temperature followed by a slow cooling process, leading to the refinement of the grain structure and improved strength. 3. Cold working: Also referred to as cold rolling or cold drawing, cold working involves subjecting the steel to plastic deformation at low temperatures. This procedure elevates the dislocation density in the steel, resulting in strain hardening and improved strength. Cold working significantly enhances the tensile strength of special steel. 4. Grain refinement: Improving the grain structure of the steel can also enhance its tensile strength. This can be achieved through processes like recrystallization annealing, where the steel is heated to a specific temperature and gradually cooled to promote the formation of smaller and more uniform grains. Smaller grain size contributes to increased strength and improved mechanical properties. 5. Shot peening: Shot peening entails bombarding the steel's surface with tiny metallic or ceramic particles. This technique induces compressive stresses in the surface layer of the steel, inhibiting crack initiation and propagation. Ultimately, shot peening improves the steel's tensile strength and fatigue resistance. It is crucial to consider that the selection of the method to enhance tensile strength depends on the specific application and requirements of the special steel. Various combinations of these methods can be employed to achieve the desired mechanical properties.
Q:How does special steel contribute to the aerospace racing aftermarket industry?
Special steel plays a crucial role in the aerospace racing aftermarket industry by offering superior strength, durability, and corrosion resistance properties. It is used in the manufacturing of various aircraft components, such as engine parts, landing gear, and structural elements, ensuring high performance and safety standards. The use of special steel in this industry allows for lighter and more efficient aircraft designs, enhancing speed and fuel efficiency. Additionally, special steel's resistance to extreme temperatures and stress makes it ideal for aerospace applications, contributing to the overall reliability and longevity of aftermarket products.
Q:How does special steel perform in high-temperature strength?
Special steel performs well in high-temperature strength due to its unique composition and properties. It is specifically designed to withstand and maintain its mechanical strength and structural integrity at elevated temperatures. This is achieved through the careful selection of alloying elements, heat treatment processes, and precise control of microstructure. Special steel exhibits excellent resistance to deformation, creep, and oxidation, making it a preferred choice for applications that involve high temperatures, such as in power generation, aerospace, and industrial processing.
Q:What are the environmental impacts of producing special steel?
The environmental impacts of producing special steel can include air pollution from emissions released during the steelmaking process, such as carbon dioxide, sulfur dioxide, and nitrogen oxide. Additionally, the extraction of raw materials for steel production, such as iron ore and coal, can result in deforestation, habitat destruction, and water pollution. The energy-intensive nature of steel production also contributes to greenhouse gas emissions and climate change. Proper waste management and implementation of sustainable practices can mitigate some of these environmental impacts.
Q:How does special steel contribute to the defense industry?
Special steel contributes to the defense industry in various ways. Its exceptional strength, durability, and resistance to extreme conditions make it a crucial material for manufacturing components used in military vehicles, aircraft, and naval vessels. Special steel is also used in the production of armor plates and ballistic protection systems, providing enhanced protection to soldiers and military equipment. Additionally, its corrosion resistance properties make it ideal for constructing submarines, missiles, and other critical defense infrastructure. In summary, special steel plays a vital role in ensuring the reliability, performance, and safety of defense equipment, making it an indispensable asset for the defense industry.
Q:What are the properties of high-speed stainless steel?
High-speed stainless steel possesses several key properties that make it highly desirable for various applications. Firstly, it exhibits exceptional corrosion resistance, ensuring its longevity and reliability even in harsh environments. Secondly, it has excellent strength and durability, allowing it to withstand high temperatures and heavy loads without deformation or failure. Additionally, high-speed stainless steel offers good machinability, enabling ease of fabrication and precise shaping. Lastly, it maintains its sharpness and cutting efficiency even under extreme heat and friction, making it ideal for cutting tools and high-speed machinery.
Q:How does special steel contribute to the manufacturing aftermarket industry?
The manufacturing aftermarket industry greatly relies on special steel to enhance the performance, durability, and reliability of components and equipment. Special steel is particularly valuable because it can withstand extreme conditions like high temperatures, corrosive environments, and heavy loads. This makes it an ideal choice for producing critical parts in industries such as automotive, aerospace, energy, and machinery. In the manufacturing aftermarket industry, special steel is commonly used to create replacement parts for machinery or equipment that have deteriorated or been damaged over time. By using special steel, these replacement parts can meet the specifications set by the original equipment manufacturer (OEM) in terms of strength and resilience. Moreover, special steel enables the development of innovative designs and the production of lightweight and efficient components. This leads to improved equipment performance, reduced energy consumption, and increased productivity. For instance, in the automotive industry, special steel is used to make lightweight engine components, resulting in better fuel efficiency and lower emissions. Furthermore, the use of special steel in the manufacturing aftermarket industry helps to reduce maintenance and downtime costs. By using high-quality steel, the longevity of replacement parts is increased, reducing the need for frequent repairs or replacements. Consequently, this decreases production downtime and associated expenses while enhancing overall equipment reliability. Additionally, special steel offers a wide range of customization possibilities, allowing manufacturers to tailor the material properties to meet specific requirements. This flexibility enables the development of unique solutions and the production of specialized components that meet the demands of different industries. It also enables manufacturers to address specific challenges related to wear resistance, hardness, or toughness, which are crucial factors in the aftermarket industry. In conclusion, special steel plays a crucial role in the manufacturing aftermarket industry by enhancing the performance, durability, and reliability of replacement parts. Its ability to withstand extreme conditions, enable innovative designs, reduce maintenance costs, and offer customization options make it an indispensable material in the production of components and equipment across various industries.

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