Bearing steel SAE52100 / GCr15 round bars
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 500 m.t.
- Supply Capability:
- 10000 m.t./month
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Specifications:
1) Grade: Bearing steel SAE 52100 / GCr15 round bars
2) Diameter: 20-500mm
3) Hot rolled/forged, annealed
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.
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: How does special steel ensure product reliability?
- Product reliability is enhanced by the use of special steel, which is specifically designed and manufactured to possess superior qualities. One of the key factors contributing to its reliability is its exceptional strength and durability, allowing it to withstand high levels of stress, pressure, and temperature. This ensures reliable performance even in challenging conditions. Additionally, special steel offers excellent resistance to corrosion, wear, and fatigue. This is achieved through the addition of various alloying elements and meticulous heat treatment processes. By minimizing the risk of degradation and failure, the reliability of the product is further enhanced. Furthermore, special steel is known for its exceptional dimensional stability and accuracy. It maintains its shape and size under different operating conditions, reducing the possibility of dimensional changes that could affect overall performance and reliability. Another aspect that contributes to the reliability of special steel is its consistent and uniform composition. The manufacturing process ensures a homogeneous and controlled structure, resulting in predictable and reliable mechanical properties. This allows designers and engineers to accurately predict the behavior and performance of the steel, thereby increasing the reliability of the final product. Moreover, special steel undergoes stringent quality control measures throughout the manufacturing process to ensure it meets or exceeds industry standards and specifications. By adhering to these strict quality standards, special steel manufacturers can guarantee a high level of product reliability. In conclusion, special steel offers exceptional strength, durability, resistance to corrosion and wear, dimensional stability, uniform composition, and strict quality control measures, all of which contribute to the reliable performance of products made from special steel. Therefore, it is the preferred choice in industries where reliability is of utmost importance.
- Q: How does free-cutting steel improve machinability?
- Free-cutting steel improves machinability by containing additional elements, such as sulfur, lead, or phosphorus, which help to break the chips and aid in chip removal during the machining process. These elements act as lubricants, reducing friction and heat generation, which results in improved surface finish and reduced tool wear.
- Q: What are the different surface finishing techniques used for special steel?
- Some of the different surface finishing techniques used for special steel include electroplating, hot-dip galvanizing, powder coating, and passivation.
- Q: What are the different mechanical properties of special steel?
- Special steels exhibit a diverse array of mechanical characteristics that render them distinctive and well-suited for specific uses. Among the noteworthy mechanical properties of special steel are its exceptional strength, impressive toughness, commendable wear resistance, and superior corrosion resistance. Of all these properties, high strength emerges as a particularly crucial attribute of special steel. This inherent strength enables the material to withstand substantial loads and stress without succumbing to deformation or failure. As a result, special steel finds application in areas where the preservation of structural integrity and durability holds paramount importance, such as in the construction of buildings, bridges, and machinery. Another significant mechanical property of special steel lies in its toughness. This quality refers to the material's ability to absorb energy and withstand fracture when subjected to impact or sudden loads. Special steels possessing high toughness become indispensable in applications involving dynamic and high-impact forces, such as the fabrication of tools, gears, and machinery components. Wear resistance constitutes yet another critical mechanical property of special steel. It denotes the material's capacity to endure damage and deterioration caused by friction, abrasion, or erosion. Special steel boasting good wear resistance frequently finds employment in scenarios where it will be exposed to harsh conditions or repetitive mechanical actions, as witnessed in the manufacturing of cutting tools, dies, and molds. Of equal importance is the superior corrosion resistance offered by special steel. This mechanical property proves invaluable, particularly in environments where exposure to moisture, chemicals, or extreme temperatures looms likely. Special steels endowed with high corrosion resistance can withstand the adverse effects of oxidation, rust, and chemical reactions, rendering them eminently suitable for deployment in industries such as marine, chemical, and oil and gas. In conclusion, special steels possess a diverse range of mechanical properties that distinguish them from conventional steels. High strength, remarkable toughness, commendable wear resistance, and superior corrosion resistance represent a few of these key mechanical properties, rendering special steel the preferred choice for numerous industrial applications.
- Q: How is special steel used in the telecommunications supply chain?
- Special steel is used in the telecommunications supply chain for various applications. It is commonly used in the manufacture of transmission towers, antenna masts, and other infrastructure components. The high strength and durability of special steel make it ideal for supporting heavy equipment and withstanding harsh environmental conditions. Additionally, special steel is also utilized in the production of fiber optic cables, providing protection and strength to ensure efficient data transmission. Overall, special steel plays a crucial role in ensuring the reliability and performance of telecommunications networks.
- Q: Can special steel be used in the power generation industry?
- Yes, special steel can be used in the power generation industry. Special steel alloys are often used for critical applications such as turbine blades, rotors, and other components in power plants. These steels possess high strength, resistance to corrosion, and heat resistance, making them suitable for the harsh operating conditions and high temperatures found in power generation equipment.
- Q: What are the different surface treatments for special steel?
- For special steel, there exist various surface treatments that serve distinct purposes and offer unique benefits. Some commonly employed surface treatments include: 1. Galvanization, which entails coating the steel with a layer of zinc, providing exceptional corrosion resistance. Galvanization proves popular for outdoor applications exposed to moisture and harsh environmental conditions. 2. Powder coating, involving the application of a dry powder to the steel surface, which is then heated and cured to form a durable and protective coating. This treatment offers excellent resistance against corrosion, chemicals, and UV rays, making it ideal for automotive parts, appliances, and outdoor furniture. 3. Nitriding, a surface hardening treatment that diffuses nitrogen into the steel surface. Nitriding significantly enhances surface hardness, wear resistance, and fatigue strength. It finds common use in high-performance components like gears, crankshafts, and injection molding screws. 4. Electroplating, where a layer of metal such as chromium, nickel, or gold is deposited onto the steel surface through an electrochemical process. This treatment improves appearance, corrosion resistance, and wear resistance. Electroplating is often employed for decorative purposes or to enhance component performance in various industries. 5. Passivation, a chemical treatment that eliminates iron contaminants from the steel surface, creating a passive oxide layer. This layer acts as a barrier against corrosion, enhancing resistance to rust and other forms of degradation. Passivation is commonly used for stainless steel components in industries like food processing, pharmaceuticals, and medical devices. 6. Carbonitriding, a surface treatment that introduces carbon and nitrogen into the steel surface at high temperatures. This process forms a hardened case, improving wear resistance and fatigue strength. Carbonitriding finds frequent application in high-stress components such as gears, crankshafts, and camshafts. These examples represent just a fraction of the available surface treatments for special steel. The choice of treatment depends on factors like desired properties, application requirements, and budget constraints. Consulting experts or manufacturers is crucial for determining the most suitable surface treatment for specific steel applications.
- Q: What are some innovative applications of special steel?
- Some innovative applications of special steel include its use in the construction of high-rise buildings, bridges, and other infrastructure projects, where its strength and durability are crucial. Special steel is also utilized in the automotive industry for the manufacturing of lightweight yet strong components, such as car frames and engine parts. Furthermore, it is used in the aerospace sector for aircraft manufacturing, as it offers excellent resistance to extreme conditions and high temperatures. Additionally, special steel is employed in the medical field for the production of surgical instruments and implants due to its biocompatibility and corrosion resistance.
- Q: How does special steel contribute to the manufacturing of cutting blades for industrial machines?
- Special steel plays a crucial role in the manufacturing of cutting blades for industrial machines due to its unique properties and composition. Firstly, special steel exhibits exceptional hardness, which is essential for cutting blades to withstand the high pressure and abrasion that occurs during industrial cutting operations. This hardness ensures that the blades remain sharp for extended periods, minimizing the need for frequent replacement and reducing downtime in manufacturing processes. Moreover, special steel offers remarkable toughness, allowing cutting blades to endure heavy loads and resist chipping or breaking. This is particularly important in industrial settings where cutting blades are subjected to intense forces and must maintain their integrity to ensure efficient and reliable cutting operations. Additionally, special steel has excellent resistance to corrosion and wear, making it an ideal material for cutting blades used in harsh environments, such as those involving exposure to chemicals, extreme temperatures, or abrasive materials. This corrosion resistance prolongs the lifespan of the cutting blades, reducing maintenance costs and enhancing overall productivity. Furthermore, special steel can be customized to meet specific requirements, allowing the manufacturing of cutting blades with precise dimensions, shapes, and cutting angles. This customization ensures that the blades are tailored to the unique needs of different industrial machines and applications, optimizing cutting performance and efficiency. In summary, special steel contributes significantly to the manufacturing of cutting blades for industrial machines by providing excellent hardness, toughness, corrosion resistance, and customization options. These properties enhance the durability, reliability, and efficiency of cutting operations, ultimately leading to improved productivity and reduced costs in industrial manufacturing processes.
- Q: What are the different methods of improving the toughness of special steel?
- There are several methods that can be employed to improve the toughness of special steel. One common method is through the use of alloying elements. By adding certain elements such as nickel, chromium, or manganese to the steel composition, the toughness can be enhanced. These alloying elements help in increasing the strength and resistance to cracking or fracturing. Another technique is heat treatment. Different heat treatment processes like quenching and tempering can be applied to special steel to modify its microstructure and enhance its toughness. Quenching involves rapidly cooling the steel from a high temperature, which creates a hardened structure, while tempering involves reheating the quenched steel to a specific temperature and then slowly cooling it. Furthermore, the use of grain refinement techniques can also improve the toughness of special steel. By controlling the size and distribution of grains within the steel, it is possible to increase its resistance to fracture. Techniques like grain size control through recrystallization and severe plastic deformation can be utilized to refine the grain structure and improve toughness. Additionally, controlling the impurity content in the steel can contribute to its toughness. Impurities like sulfur and phosphorus can lead to brittleness, so minimizing their presence through refining and purification processes can enhance the steel's toughness. Moreover, surface treatment methods such as shot peening or surface hardening can be employed to improve the toughness of special steel. Shot peening involves bombarding the steel surface with small spherical particles to induce compressive stress, which helps in resisting crack propagation. Surface hardening techniques like carburizing or nitriding can also be used to create a hardened layer on the surface, improving its toughness. In conclusion, the different methods of improving the toughness of special steel include alloying, heat treatment, grain refinement, impurity control, and surface treatment. These techniques can be combined or used individually to enhance the steel's properties and make it more resistant to cracking or fracturing.
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Bearing steel SAE52100 / GCr15 round bars
- 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
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