High Quality Round Bar Bearing Steel Gcr15/SAE 52100
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 500 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
You Might Also Like
Specifications:
1) Grade: Bearing steel SAE 52100 / GCr15 round bars
2) Diameter: 20-500mm
3) Hot rolled/forged, annealed
Application:
Bearing steels are the most important special steels for the manufacturing of rolling elements and bearing rings.
The high-carbon chrome bearing steels are widely used in transmission shaft rollers and sleeves for auto,construction machinery, inter combustion engine manufacturing,electrical locomotive,machine tool,tractor,steel rolling equipment,drilling machinery and others.
Carburized bearing steels are mainly used in railway locomotives and wind power field.The self-developed high-grade bearing steels are acknowledged by lots of famous bearing companies in the world.
Packaging & Delivery
Mark: Heat No. will be cold stamped and Steel grade, diameter (mm), length (mm), and the manufacturer LOGO and weight (kg) is painted.
Standard seaworthy packing or as customer required
Delivery time: Within 30 days after order is confirmed.
- Q: What are the common challenges in machining titanium alloys?
- Successful and efficient results in machining titanium alloys require addressing several common challenges. One primary challenge is the inherent strength and hardness of the material. Titanium alloys are renowned for their excellent strength-to-weight ratio, making them ideal for various applications. However, this same strength makes them difficult to machine. The high strength of titanium alloys increases the cutting forces needed during machining, resulting in faster tool wear and reduced tool life. This necessitates the use of robust cutting tools made from carbide or ceramic, capable of withstanding demanding conditions and maintaining cutting performance. Another challenge in machining titanium alloys is their poor thermal conductivity. This characteristic leads to rapid heat buildup during cutting, causing localized high temperatures. These high temperatures can cause thermal damage to both the cutting tool and the workpiece, reducing dimensional accuracy and surface finish. To overcome this challenge, implementing effective cooling and lubrication techniques, such as using coolant or high-pressure air, is crucial to dissipate heat and prevent overheating. Furthermore, machining titanium alloys often results in the generation of built-up edge (BUE). BUE refers to the accumulation of workpiece material on the cutting tool, leading to poor chip evacuation, increased cutting forces, and surface finish issues. To mitigate BUE formation, it is recommended to use appropriate cutting speeds and feed rates, as well as cutting fluids that aid in chip evacuation and prevent material adhesion on the tool. Additionally, titanium alloys react strongly with oxygen, causing the formation of a stubborn oxide layer on the surface during machining. This oxide layer can cause tool chipping and premature wear. To combat this, it is necessary to employ suitable cutting speeds and feeds that efficiently remove material while minimizing prolonged exposure to the reactive nature of titanium alloys. Lastly, the low thermal expansion coefficient of titanium alloys can result in workpiece distortion and dimensional inaccuracies. To address this challenge, it is important to ensure proper fixturing and clamping techniques that minimize workpiece movement during machining. In conclusion, machining titanium alloys presents challenges such as high cutting forces, poor thermal conductivity, built-up edge formation, reactive oxide layer, and workpiece distortion. These challenges can be overcome by using appropriate cutting tools, effective cooling and lubrication techniques, proper cutting parameters, and careful workpiece handling.
- Q: What are the different methods of surface coloring for special steel?
- Special steel can be colored using several different methods, each with its own purpose and effect. Some common methods include: 1. Heat treatment: This technique involves subjecting the steel to high temperatures, which causes controlled oxidation on the surface. The result is a layer of colored oxide, ranging from golden yellow to deep blue or black. Heat treatment also enhances hardness and corrosion resistance. 2. Electroplating: By immersing the steel in an electrolyte bath with a metal salt solution and passing an electric current through it, metal ions adhere to the surface, creating a thin layer of the desired metal coating. This method allows for a wide range of colors and finishes. 3. Chemical coloring: This process involves using chemical solutions to change the surface color of special steel. Treating the steel with a solution containing specific chemicals, such as oxidizing agents or dyes, can produce various colors and finishes, often used for decorative purposes. 4. Physical Vapor Deposition (PVD): PVD is a technique that deposits thin layers of material onto the steel surface. A solid material is vaporized using a high-energy source and then condensed onto the steel. This allows for the deposition of different materials, resulting in various colors and finishes. PVD coatings are durable, wear-resistant, and aesthetically appealing. 5. Laser marking: Laser marking uses a focused laser beam to create permanent markings or colors on the steel surface. By adjusting laser parameters, such as power and speed, different colors and effects can be achieved. Laser marking is ideal for branding, identification, or decorative purposes due to its precision and ability to create intricate designs. The choice of surface coloring method for special steel depends on factors like desired color, durability, functionality, and cost considerations. Each method has its advantages and limitations, allowing for customization based on specific requirements and preferences.
- Q: How is special steel used in the packaging supply chain?
- Special steel is commonly used in the packaging supply chain for manufacturing various types of packaging machinery and equipment. It is utilized to create robust and durable components such as blades, cutters, molds, and dies that are essential for shaping, cutting, and forming packaging materials. The strength, hardness, and wear resistance properties of special steel make it ideal for withstanding the high pressures and repetitive movements involved in the packaging process. Additionally, special steel is also used in the construction of storage racks and shelves, ensuring the safe and secure storage of packaged goods throughout the supply chain.
- Q: How does special steel contribute to the transportation sector?
- The transportation sector relies heavily on special steel due to the numerous benefits it offers. Special steel plays a pivotal role in improving the efficiency, safety, and overall performance of vehicles. One primary advantage is its high strength-to-weight ratio, which allows manufacturers to reduce vehicle weight without compromising structural integrity. As a result, fuel efficiency improves, emissions decrease, and operating costs are lowered. Furthermore, special steel exhibits exceptional resistance to corrosion, making it especially advantageous in areas with severe weather conditions or exposure to saltwater, such as coastal regions or winter roadways where salt is used for ice melting. This corrosion resistance helps extend the lifespan of transportation infrastructure, such as bridges, tunnels, and railways, thus minimizing maintenance and replacement expenses. Another important aspect is the outstanding impact resistance of special steel. It can withstand heavy impacts and collisions, making it ideal for constructing vehicle frames, body panels, and safety components. This enhances passenger safety and reduces the likelihood of severe injuries during accidents. Special steel also plays a crucial role in producing high-performance engines and powertrains. Steel alloys with specific characteristics, such as high temperature and wear resistance, are utilized in manufacturing critical engine components like pistons, crankshafts, and camshafts. This ensures long-lasting and efficient engine performance, resulting in improved reliability and reduced downtime. Moreover, special steel contributes to advancements in electric and hybrid vehicles. Certain steel alloys possess unique properties that enable the development of lightweight battery packs, electric motor components, and charging infrastructure. These advancements facilitate the shift towards greener transportation options and help decrease the environmental impact of the sector. Overall, special steel has a profound influence on the transportation sector by providing lightweight, durable, corrosion-resistant, and impact-resistant materials. It not only enhances the performance and safety of vehicles but also contributes to the establishment of sustainable and efficient transportation systems.
- Q: What are the properties of wear-resistant stainless steel?
- Wear-resistant stainless steel possesses several key properties that make it a highly durable and reliable material. Firstly, it has a high hardness level, which helps it withstand abrasion and wear caused by friction. Secondly, it exhibits excellent corrosion resistance, protecting it from rust and other forms of degradation. Additionally, wear-resistant stainless steel has a high tensile strength, allowing it to withstand heavy loads and impacts without deforming or breaking. Lastly, it maintains its properties at elevated temperatures, making it suitable for use in high-temperature environments. Overall, these properties make wear-resistant stainless steel an ideal choice for applications that require strength, durability, and resistance to wear and corrosion.
- Q: How does aluminum contribute to the properties of special steel?
- Aluminum is commonly added as an alloying element in special steel to enhance its properties. By adding aluminum to steel, several improvements can be achieved. Firstly, aluminum improves the strength of steel by forming a fine dispersion of aluminum nitride particles within the steel matrix. These particles act as barriers to dislocation movement, impeding the deformation of the steel and increasing its strength. This makes the steel more resistant to mechanical stresses and enhances its load-bearing capacity. Secondly, aluminum also enhances the corrosion resistance of steel. It forms a protective oxide layer on the surface of the steel, acting as a barrier against the corrosive agents. This oxide layer prevents the steel from oxidizing, rusting, and deteriorating over time, making it more durable and long-lasting in various environments. Additionally, aluminum can improve the machinability of special steel. Its presence in the steel composition reduces the tendency of the steel to work harden during machining operations. This makes it easier to cut, drill, or shape the steel, resulting in improved productivity and reduced tool wear. Moreover, aluminum contributes to the heat resistance of special steel. It has a high melting point and good thermal conductivity, which helps in maintaining the structural integrity of the steel at elevated temperatures. This makes aluminum-steel alloys suitable for applications where high-temperature resistance is required, such as in the aerospace and automotive industries. In summary, aluminum contributes significantly to the properties of special steel. It enhances the strength, corrosion resistance, machinability, and heat resistance of steel, making it a versatile material with a wide range of applications.
- Q: How does special steel contribute to improving product quality?
- Special steel contributes to improving product quality in several ways. Firstly, special steel has superior strength and durability compared to ordinary steel, making it less likely to deform or break under stress. This ensures that products made with special steel have a longer lifespan and are more reliable for consumers. Secondly, special steel can be engineered with specific properties such as corrosion resistance, heat resistance, or high hardness, which are essential for certain industries or applications. This allows manufacturers to create products that can withstand harsh environments or demanding conditions, ultimately enhancing product quality. Lastly, special steel can be precision-machined to tight tolerances, enabling the production of complex and intricate components with high precision. This level of accuracy results in better-fitting parts, improved performance, and enhanced overall product quality.
- Q: What are the requirements for special steel used in battery technology?
- To ensure optimal performance and safety, special steel utilized in battery technology must fulfill several requirements. First and foremost, it is imperative that the steel exhibits high corrosion resistance. This is crucial due to the presence of corrosive electrolytes within batteries that can gradually deteriorate the steel. Special steel must possess exceptional resistance to corrosion in order to prevent any chemical reactions that may compromise the battery's integrity and lifespan. Additionally, the steel must possess good mechanical strength to withstand the internal pressures and external forces that batteries encounter during operation and handling. It should be capable of resisting deformation and maintaining its structural integrity, even under high-stress conditions. Furthermore, it is desirable for the special steel to have high thermal conductivity. This is essential for efficient heat dissipation, as overheating can diminish battery performance and potentially lead to safety hazards. Steel with excellent thermal conductivity facilitates effective heat transfer, ensuring that the battery can function within safe temperature limits. Moreover, the steel should exhibit low electrical resistivity to minimize energy losses resulting from electrical resistance. This guarantees efficient energy transfer within the battery and reduces power dissipation, ultimately enhancing overall battery efficiency. In addition, compatibility with other battery materials, such as electrodes, electrolytes, and separators, is crucial. Ensuring compatibility prevents any chemical reactions or detrimental interactions that may jeopardize the battery's performance or lifespan. Finally, in line with the growing emphasis on environmental sustainability, it is increasingly important for special steel used in batteries to be produced using environmentally friendly methods. This entails minimizing the carbon footprint and reducing the consumption of scarce resources. To summarize, special steel utilized in battery technology must possess high corrosion resistance, mechanical strength, thermal conductivity, low electrical resistivity, compatibility with other battery materials, and environmental sustainability. These attributes are necessary to ensure optimal performance and safety in batteries.
- Q: Can special steel be used for making electronics components?
- Yes, special steel can be used for making electronics components. Special steel refers to a type of steel that has been designed and manufactured to possess specific properties and characteristics that make it suitable for various applications, including electronics. In electronics manufacturing, special steel can be utilized for creating components such as connectors, springs, contacts, and other parts that require high strength, durability, and resistance to corrosion and wear. These properties are essential for ensuring the reliable performance and longevity of electronic devices. Additionally, special steel can also offer excellent thermal conductivity, electromagnetic shielding, and magnetic properties, which are crucial in certain electronic applications. For instance, in the production of transformers, special steel laminations are used to minimize energy loss and improve efficiency. Furthermore, special steel can be tailored to meet the specific requirements of different electronic components. For example, certain grades of stainless steel can be used for making components that need to withstand harsh environmental conditions or come into contact with corrosive substances. Overall, the use of special steel in electronics manufacturing provides an effective solution for producing components that can meet the demanding performance standards of modern electronic devices.
- Q: What are the properties of low-alloy steel?
- Low-alloy steel is a type of steel that contains a small percentage of alloying elements, typically less than 5%. These alloying elements enhance the strength, hardness, and corrosion resistance of the steel. Additionally, low-alloy steel often exhibits improved toughness, weldability, and formability compared to carbon steel. The specific properties of low-alloy steel can vary depending on the alloying elements used, but in general, it offers a cost-effective solution for applications that require high strength and durability.
Send your message to us
High Quality Round Bar Bearing Steel Gcr15/SAE 52100
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 500 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
Similar products
Hot products
Hot Searches
Related keywords
