SAE 52100 Bearing Steel Round Bars
- Ref Price:
-
- 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
SAE 52100 Bearing Steel Round Bars
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 | ||
Charactteristics:
Flat Steel GCr15 Flats are of
Good hardening ability. Good wear resistance. Shadow depth of hardness
Harden from a temperature of 790-820oC, 820-860oC followed by water or oil quenching. Hardness after quenching is 63-67, 63-66 HRC.
Tempering temperature: 150-300oC. Hardness after tempering is 56-65 HRC.
Application:
Commom steel used to produce balls and rings of bearing. The product has characteristics of uniform-chemical composition, low percentage of harmful elements, high purity, well-distributed carbide, good surface quality. It also has characteristics of wide scope of plastic,stable heat-treatment quality, uniformand high hardness, high wear resistance,high strength of touching fatigue. It has excellent machining property afer spheroidize annealing.
The use of products The product is used to produce balls and rings of bearing. Future Development By rational rolling and cooling process, the product can be spheroidized on-line and can be used in drawing and machining directly by customers. By combining re-spheroidize annealing and re-crystallisation of semi-finished product, the steel wire process can be simplified.
Product show:
- Q: Can special steel be used in the semiconductor industry?
- Yes, special steel can be used in the semiconductor industry. Special steel, such as stainless steel, is often used in the semiconductor industry due to its excellent corrosion resistance, high temperature resistance, and low contamination properties. It is commonly used in various components and equipment used for semiconductor fabrication and processing.
- Q: How does special steel contribute to the telecommunications aftermarket industry?
- The telecommunications aftermarket industry heavily relies on special steel to manufacture and maintain telecommunications equipment. This type of steel is specifically designed to possess exceptional properties, such as high strength, corrosion resistance, and durability, which are crucial for the demanding conditions of the telecommunications sector. One of the main contributions of special steel to the telecommunications aftermarket industry is its use in the production of communication towers and transmission structures. These structures must endure extreme weather conditions, such as strong winds and heavy loads, while providing reliable support for antennas and other equipment. Special steel meets these requirements, ensuring the longevity and stability of communication towers. Moreover, special steel is extensively used in manufacturing cables and wires for telecommunications systems. These cables must transmit signals without any loss or interference, and the unique properties of special steel, such as high electrical conductivity and low resistance, make it an ideal material for this purpose. The use of special steel in cables helps maintain the quality and efficiency of telecommunications networks. Another significant contribution of special steel is its role in producing equipment enclosures and cabinets. These enclosures protect sensitive electronic components from environmental factors, including moisture, dust, and extreme temperatures. Special steel, with its corrosion-resistant properties, ensures the longevity and reliability of these enclosures, safeguarding the valuable equipment inside. Furthermore, special steel is also utilized in manufacturing various components and accessories used in the telecommunications aftermarket industry, such as connectors, brackets, and hardware. These components are essential for assembling and maintaining telecommunications equipment. Special steel's high strength and durability make it the preferred choice for these components, guaranteeing their long-lasting performance. In conclusion, special steel significantly contributes to the telecommunications aftermarket industry by providing the necessary materials for manufacturing and maintaining telecommunications equipment. Its exceptional properties, including high strength, corrosion resistance, and durability, make it an ideal choice for communication towers, cables, enclosures, and various components. By utilizing special steel, the telecommunications industry ensures the reliability, efficiency, and longevity of its equipment, ultimately benefiting both service providers and end-users.
- Q: How does special steel perform in terms of creep resistance at elevated temperatures?
- Special steel is known for its excellent performance in terms of creep resistance at elevated temperatures. Creep refers to the gradual deformation of a material under constant stress at high temperatures over an extended period. Special steel, specifically designed to withstand high temperatures, demonstrates a remarkable ability to resist creep and maintain its structural integrity. The unique composition of special steel, which includes various alloying elements such as chromium, molybdenum, and vanadium, contributes to its exceptional creep resistance. These alloying elements enhance the steel's high-temperature strength, increase its resistance to deformation, and inhibit the formation of detrimental microstructural changes that can occur during creep. Furthermore, special steel undergoes specific heat treatment processes, such as quenching and tempering, which further enhance its creep resistance. These processes help refine the steel's microstructure, resulting in a fine-grained and homogenous material that can resist deformation even under prolonged exposure to high temperatures. The superior creep resistance of special steel makes it a preferred choice in various industries that operate under high-temperature conditions, such as power generation, petrochemical, and aerospace. It allows for extended service life, reduced maintenance, and increased safety in critical applications where failure due to creep deformation could have severe consequences. In summary, special steel exhibits exceptional performance in terms of creep resistance at elevated temperatures. Its unique composition, including alloying elements and specific heat treatment processes, enables it to resist deformation and maintain its structural integrity even under prolonged exposure to high temperatures.
- Q: What is the impact strength of special steel?
- The impact strength of special steel can vary depending on its composition and specific grade. However, special steel is generally known for its high impact strength, making it highly resistant to sudden shocks, impacts, and fractures.
- Q: How does special steel contribute to the fatigue resistance of products?
- Special steel contributes to the fatigue resistance of products by providing enhanced strength, durability, and resistance to wear and tear. The unique composition and manufacturing processes of special steel result in improved mechanical properties, such as higher tensile strength and hardness, which help products withstand repeated loading and stress cycles without failure. Additionally, special steel can be engineered to have specific microstructures that enhance its resistance to fatigue, preventing the growth of cracks and ensuring longer product lifespan.
- Q: How is special steel used in the production of turbine shafts?
- Special steel is used in the production of turbine shafts due to its high strength, durability, and resistance to extreme temperatures. These shafts are subjected to significant stress and rotational forces, making it crucial to use a material that can withstand these conditions. Special steel alloys, such as nickel-based or stainless steel, offer excellent mechanical properties and corrosion resistance, ensuring reliable and efficient operation of turbine systems.
- Q: How does case-hardening steel achieve high surface hardness?
- Case-hardening steel achieves high surface hardness through a process called carburizing, where the steel is heated in a carbon-rich environment. The carbon atoms diffuse into the surface of the steel, forming a high-carbon layer, while the core remains relatively low in carbon content. This differential in carbon concentration leads to a hardened surface layer, enhancing the steel's resistance to wear and tear.
- Q: What are the properties of corrosion-resistant stainless tool steel?
- Corrosion-resistant stainless tool steel possesses a unique combination of properties that make it highly desirable for various applications. Firstly, it exhibits excellent resistance to corrosion, even in harsh and corrosive environments, due to the presence of chromium in its composition. This property helps prevent the formation of rust and other forms of corrosion, enhancing the durability and longevity of the steel. Additionally, corrosion-resistant stainless tool steel is known for its high strength and hardness, allowing it to withstand heavy loads and resist deformation under extreme conditions. Moreover, it offers good toughness and wear resistance, making it suitable for cutting, shaping, and forming tools. These properties make corrosion-resistant stainless tool steel an ideal choice for industries such as automotive, aerospace, and manufacturing, where resistance to corrosion and mechanical strength are crucial requirements.
- Q: How does special steel resist fatigue?
- Special steel is designed to resist fatigue by incorporating specific properties that enhance its durability and strength. One of the primary factors that allows special steel to resist fatigue is its high tensile strength. This means that the steel can withstand large amounts of stress and load without deforming or breaking, which is crucial in preventing the initiation and propagation of fatigue cracks. Additionally, special steel often undergoes specific heat treatment processes, such as quenching and tempering, to further enhance its resistance to fatigue. This heat treatment modifies the microstructure of the steel, creating a fine and uniform grain structure that improves its mechanical properties. It increases the steel's hardness and toughness, making it less susceptible to fatigue failure. Furthermore, special steel can also contain alloying elements such as chromium, molybdenum, and vanadium, which contribute to its fatigue resistance. These alloying elements form carbides and other strengthening phases within the steel, resulting in improved hardness, strength, and resistance to fatigue crack propagation. Moreover, special steel can undergo specialized surface treatments, such as shot peening or nitriding. Shot peening bombards the steel surface with small metal particles, inducing compressive residual stresses. These compressive stresses counteract the tensile stresses that cause fatigue cracks, thus enhancing fatigue resistance. Nitriding involves diffusing nitrogen into the steel surface, creating a hardened layer that improves wear resistance and, consequently, fatigue resistance. In summary, special steel resists fatigue through a combination of factors, including high tensile strength, specific heat treatment processes, alloying elements, and specialized surface treatments. These properties work together to enhance the steel's durability, strength, and resistance to fatigue crack initiation and propagation, making it a reliable and long-lasting material in various applications.
- Q: Can special steel be used in the production of musical instruments?
- Yes, special steel can be used in the production of musical instruments. Special steel, also known as tool steel or high-performance steel, is a type of steel that has been specifically designed to possess certain properties that make it suitable for specific applications. These properties include high strength, durability, and resistance to wear and corrosion. In the case of musical instruments, special steel can be used in various components, such as strings, springs, keys, valves, and reeds. For example, piano strings are typically made from high-carbon steel, which provides the necessary strength and elasticity for producing the desired sound. Brass instruments like trumpets or saxophones have valves made from special steel alloys that have excellent corrosion resistance and can withstand the repetitive movements required for playing the instrument. In addition, special steel can also be used in the manufacturing of instrument parts like guitar frets. Frets are metal strips embedded along the fingerboard of a guitar, and they need to be made from a material that is durable, wear-resistant, and able to hold its shape over time. Special steel alloys, such as stainless steel or nickel-silver, are commonly used for this purpose. Overall, special steel offers a range of properties that can enhance the performance and longevity of musical instruments. By using this type of steel, manufacturers can create instruments that produce high-quality sound, are more resistant to wear and tear, and have a longer lifespan.
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SAE 52100 Bearing Steel Round Bars
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 50000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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