52100 Bearing Steel Rounds Hot Rolled Treatment
- 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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Item specifice
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:
- Q:Can special steel be coated or plated?
- Yes, special steel can be coated or plated with various materials to enhance its properties, protect against corrosion, or improve its aesthetic appearance.
- Q:How does the heat treatment process affect special steel?
- The heat treatment process greatly affects special steel by altering its microstructure and improving its mechanical properties. It involves heating the steel to a specific temperature and then cooling it in a controlled manner. This process can increase the steel's hardness, strength, toughness, and wear resistance, making it suitable for various applications in industries such as automotive, aerospace, and tool manufacturing. Additionally, heat treatment can also enhance the steel's dimensional stability and corrosion resistance, further improving its overall performance.
- Q:How does special steel resist fatigue?
- Special steel resists fatigue due to its unique composition and manufacturing process. It is typically made with higher levels of alloying elements such as chromium, molybdenum, and nickel, which enhance its strength and durability. Additionally, special steel undergoes specific heat treatments and rigorous quality control measures, ensuring its structural integrity and resistance to cyclic loading. These factors help prevent the formation and propagation of cracks and fractures, enabling the steel to withstand repeated stress and strain without significant degradation or failure.
- Q:What are the different surface cleaning methods for special steel?
- Maintaining the quality and appearance of special steel requires the use of various surface cleaning methods. Here are some options: 1. To remove dirt, rust, or other contaminants from the steel surface, mechanical cleaning utilizes tools like wire brushes, sandpaper, or abrasive pads. This method effectively eliminates loose particles and light stains. However, it may not be suitable for stubborn dirt or deep stains. 2. Chemical cleaning is a commonly employed technique for special steel surfaces. It involves applying specific chemical solutions to dissolve and eliminate contaminants. The choice of chemicals depends on the type of dirt or stain. Acid-based cleaners work well for rust removal, while alkaline cleaners are effective against grease or oil stains. 3. Electrochemical cleaning employs an electrical current to eradicate contaminants from the steel surface. This method requires submerging the steel in an electrolyte solution and applying a direct current. As a result, the contaminants dissolve and separate from the surface. It is crucial to monitor this method closely to avoid any damage to the steel. 4. High-pressure water cleaning, also known as water blasting, removes dirt, paint, or other contaminants from the steel surface by using pressurized water. This method is particularly effective for heavy stains or coatings and is commonly used in industrial cleaning processes. 5. Steam cleaning is a gentle technique that uses high-temperature steam to loosen and eliminate dirt, grease, or other contaminants from the steel surface. It is a non-abrasive method that can effectively clean delicate or sensitive surfaces without causing any damage. It is important to consider the specific type of steel, the nature of the contaminants, and the desired level of cleaning when selecting the appropriate surface cleaning method. Consulting experts or following manufacturer guidelines is recommended to ensure the best cleaning method for a particular type of special steel.
- Q:What are the different methods of machining special steel?
- There are several different methods of machining special steel, each with its own advantages and applications. Some of the most common methods include: 1. Turning: Turning is a machining process that involves rotating a workpiece while a cutting tool removes material from the surface. This method is typically used to create cylindrical shapes and can produce high-quality finishes. 2. Milling: Milling is a versatile machining method that uses rotary cutters to remove material from a workpiece. It can be used to create complex shapes and contours, and is often employed in the production of special steel components. 3. Drilling: Drilling is a machining process that involves creating holes in a workpiece using a rotating cutting tool. It can be used to create both through holes and blind holes in special steel, and is commonly used in various industries. 4. Grinding: Grinding is a precision machining method that uses an abrasive wheel to remove material from a workpiece's surface. It is often used to achieve tight tolerances and smooth finishes on special steel components. 5. Broaching: Broaching is a machining process that uses a sharp cutting tool with multiple teeth to remove material in a series of linear cuts. It is commonly used to create keyways, splines, and other intricate shapes in special steel. 6. Electrical Discharge Machining (EDM): EDM is a non-traditional machining method that uses electrical discharges to remove material from a workpiece. It is particularly useful for machining special steel with complex shapes or for creating small features. 7. Laser Cutting: Laser cutting utilizes a high-powered laser to cut through special steel with extreme precision. It is commonly used for intricate designs and can produce smooth edges without the need for subsequent processing. Each of these methods has its own advantages and limitations, and the choice of machining method depends on factors such as the desired outcome, the complexity of the part, and the properties of the special steel being machined.
- Q:What are the unique properties of stainless steel?
- Stainless steel has several unique properties that make it highly desirable in various applications. Firstly, it has excellent corrosion resistance, making it resistant to rust and staining, even in harsh environments. Additionally, stainless steel is durable and can withstand high temperatures, making it suitable for use in extreme conditions. It also has a high strength-to-weight ratio, making it strong yet lightweight. Moreover, stainless steel is hygienic and easy to clean, making it ideal for use in food processing and medical equipment. Lastly, stainless steel has an attractive appearance and can be easily fabricated into different shapes, making it a versatile material for various industries.
- Q:What are the main characteristics of electrical steel forgings?
- The main characteristics of electrical steel forgings include high magnetic permeability, low core loss, and high electrical resistivity. These properties make electrical steel forgings ideal for applications in electrical transformers, motors, and generators, where efficient magnetic performance and minimal energy loss are crucial. Additionally, electrical steel forgings are known for their excellent mechanical strength, thermal stability, and resistance to corrosion, making them durable and reliable in demanding environments.
- 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:How does special steel contribute to reducing product waste during manufacturing?
- Special steel contributes to reducing product waste during manufacturing by offering superior strength, durability, and corrosion resistance. Its unique properties allow manufacturers to produce components that are longer-lasting and more resistant to wear and tear. This reduces the need for frequent replacements or repairs, ultimately minimizing product waste and increasing overall efficiency in the manufacturing process.
- Q:What are the quality control measures for special steel?
- Quality control measures for special steel involve several key steps and processes to ensure that the final product meets the required standards and specifications. These measures typically include: 1. Raw Material Inspection: Thoroughly checking the quality and composition of the raw materials used in the production of special steel, such as ensuring the correct chemical composition and metallurgical properties. 2. Process Control: Implementing strict controls and monitoring throughout the manufacturing process to ensure consistent quality, such as maintaining precise temperature control during heating and cooling processes, controlling the rolling or forging parameters, and ensuring proper heat treatment. 3. Testing and Sampling: Conducting various tests and sampling techniques to assess the quality of the special steel, including mechanical tests (such as tensile strength, hardness), non-destructive testing (like ultrasonic or magnetic particle inspection), and chemical analysis. 4. Dimensional and Surface Inspection: Verifying that the dimensions and surface finish of the special steel conform to the required specifications, such as measuring length, diameter, straightness, and checking for any defects or irregularities. 5. Final Inspection and Certification: Performing a final inspection to ensure that the special steel meets all quality standards and customer requirements. This may involve visual examination, additional testing, and issuing necessary certifications or quality assurance documents. By implementing these quality control measures, manufacturers can ensure the reliability, durability, and consistent performance of special steel, making it suitable for various critical applications in industries like automotive, aerospace, energy, and construction.
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52100 Bearing Steel Rounds Hot Rolled Treatment
- 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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