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:What are the advantages of using special steel over other materials?
- Special steel has several advantages over other materials. Firstly, it offers exceptional strength and durability, making it ideal for applications where high performance and reliability are crucial. Additionally, special steel possesses excellent resistance to corrosion, heat, and wear, ensuring longevity and reduced maintenance costs. Moreover, it provides versatility in terms of customization and can be tailored to specific requirements, making it suitable for a wide range of industries and applications. Lastly, special steel offers superior machinability and weldability, facilitating ease of processing and fabrication.
- Q:How is mold steel used in the production of plastic injection molds?
- Mold steel is commonly used in the production of plastic injection molds due to its high durability and resistance to wear and tear. It is used to create the main components of the mold, such as the cavity and core, which are responsible for shaping the plastic material. Mold steel provides the necessary hardness and strength to withstand the high pressures and temperatures involved in the injection molding process. Additionally, its excellent machinability allows for precise and intricate mold designs, ensuring the production of high-quality plastic parts.
- Q:What are the applications of special steel in the railway industry?
- Special steel has several important applications in the railway industry. It is commonly used for manufacturing railway tracks, as it possesses high strength and durability, ensuring the tracks can withstand heavy loads and frequent use. Additionally, special steel is employed in the construction of railway bridges and tunnels, offering excellent resistance to corrosion and extreme weather conditions. Moreover, special steel is utilized in the production of railway components such as wheels, axles, and couplers, ensuring optimal performance, safety, and longevity of the railway system.
- Q:What are the different methods of improving the impact toughness of special steel?
- There are several methods that can be employed to enhance the impact toughness of special steel. Here are a few commonly used techniques: 1. Heat Treatment: One of the most effective methods is heat treatment, which involves subjecting the steel to specific heating and cooling processes. For instance, quenching and tempering can significantly increase the impact toughness of steel. Quenching involves rapidly cooling the heated steel in a liquid medium such as oil or water, while tempering involves reheating the quenched steel to a specific temperature and then cooling it slowly. This process helps to refine the microstructure of the steel, making it more resistant to fracture and improving its impact toughness. 2. Alloying: Another method is alloying, which involves adding specific elements to the steel composition. Alloying elements such as nickel, chromium, and molybdenum can enhance the toughness of steel by modifying its microstructure and improving its resistance to impact. These alloying elements help in reducing the formation of brittle phases and improving the ductility of the steel. 3. Grain Refinement: The grain size of steel plays a crucial role in determining its impact toughness. By refining the grain size, the steel can exhibit improved toughness. This can be achieved through methods like controlled rolling or severe plastic deformation techniques. These techniques help in breaking down the large grains and promoting the formation of smaller, more uniform grains, resulting in enhanced toughness. 4. Shot Peening: Shot peening is a surface treatment technique that involves bombarding the steel surface with small metallic or ceramic shots. This process induces compressive stress on the surface, which helps to improve the impact toughness by reducing the likelihood of crack propagation. 5. Welding Techniques: In the case of welding special steel, specific welding techniques can be employed to enhance its impact toughness. Preheating the steel before welding and controlling the welding parameters such as heat input and cooling rate can help in reducing the formation of brittle phases and improving the toughness of the welded joint. It is important to note that the selection of the appropriate method for improving the impact toughness of special steel depends on various factors such as the desired level of toughness, the specific steel composition, and the intended application of the steel. Therefore, a comprehensive understanding of the steel's properties and the specific requirements is crucial in determining the most suitable method for enhancing its impact toughness.
- Q:What properties make special steel unique?
- Special steel, also known as alloy steel, possesses unique properties that set it apart from other types of steel. Firstly, special steel is distinguished by its exceptional strength and hardness. It is engineered to have a high resistance to deformation, making it suitable for applications that require robust materials. Whether in construction, automotive, or aerospace industries, special steel provides the necessary durability and reliability. Another remarkable property of special steel is its superior corrosion resistance. By incorporating certain alloying elements such as chromium, nickel, or molybdenum, this type of steel becomes highly resistant to rust and other forms of corrosion. As a result, special steel is often used in marine environments, chemical plants, and oil and gas industries where exposure to harsh conditions is prevalent. Furthermore, special steel demonstrates excellent heat resistance. It can withstand high temperatures without losing its strength or structure, making it suitable for applications in extreme heat environments, such as power generation or furnace components. This property allows special steel to be utilized in critical situations where other materials may fail or degrade. Special steel is also known for its versatility and adaptability. With various alloying elements and heat treatment processes, it can be tailored to meet specific requirements of different industries. This flexibility makes it possible to create specialized alloys with unique properties, such as improved machinability, wear resistance, or enhanced magnetic properties, catering to a wide range of applications. In conclusion, the properties that make special steel unique are its exceptional strength and hardness, superior corrosion resistance, excellent heat resistance, and its versatility in being tailored to specific requirements. These properties make special steel an invaluable material in numerous industries, enabling the development of innovative and reliable products.
- Q:How does special steel perform in erosion applications?
- Special steel is known for its exceptional performance in erosion applications. Its unique properties such as high hardness, corrosion resistance, and wear resistance make it highly suitable for environments where erosion is a common issue. Erosion is the gradual wearing away of a material due to the action of external forces such as abrasion, impact, or cavitation. In applications where erosion is prevalent, such as mining, oil and gas, and chemical processing industries, regular steel may not be able to withstand the harsh conditions and may quickly deteriorate. Special steel, on the other hand, is specifically designed to withstand erosive forces and maintain its structural integrity over an extended period. Its high hardness helps it resist abrasion and prevents the material from wearing down quickly. This makes it ideal for applications involving the movement of abrasive materials or fluids. Furthermore, special steel also exhibits excellent corrosion resistance, which is crucial in erosive environments. It can resist the corrosive effects of chemicals, moisture, and other harsh substances, ensuring the material's longevity and performance. In addition to hardness and corrosion resistance, special steel also offers exceptional wear resistance. It can withstand repeated impacts, high pressures, and sliding contact without significant damage, making it highly effective in erosion-prone applications. This wear resistance helps to minimize downtime and maintenance costs associated with material replacement or repair. Overall, special steel's properties make it a reliable and durable choice for erosion applications. Its ability to resist abrasion, corrosion, and wear ensures that it can withstand the demanding conditions often found in such environments, providing long-lasting performance and reducing the need for frequent replacements.
- Q:Can special steel be used in the production of turbine blades?
- Yes, special steel can be used in the production of turbine blades. Special steel is known for its exceptional strength, durability, and resistance to high temperatures and corrosive environments, making it an ideal material for turbine blades which are subjected to extreme conditions in power generation systems.
- Q:How does special steel contribute to the aerospace fuel efficiency?
- Special steel contributes to aerospace fuel efficiency in several ways. Firstly, it is used in the construction of lightweight yet strong components, such as engine parts and airframe structures. By reducing the weight of these parts, the overall weight of the aircraft is decreased, resulting in reduced fuel consumption. Additionally, special steel alloys can withstand high temperatures and pressures, allowing engines to operate more efficiently. This improves the engine's performance, leading to increased fuel efficiency. Overall, the use of special steel in aerospace applications plays a crucial role in enhancing fuel efficiency and reducing environmental impact.
- Q:How does special steel contribute to sustainability efforts?
- Special steel is a key player in sustainability initiatives for various reasons. To begin with, its durability and long lifespan make it highly sought after. It boasts exceptional resistance to corrosion, wear, and tear, enabling it to endure harsh conditions and heavy use. By prolonging the lifespan of products made with special steel, the need for frequent replacements is minimized. Consequently, this conserves natural resources and diminishes environmental impact by reducing resource consumption and waste generation. Furthermore, special steel is renowned for its recyclability. It can be melted down and reprocessed multiple times without compromising its properties or quality. This quality makes it a valuable material within the circular economy, where resources are reused and recycled to reduce reliance on virgin materials. The recycling process for special steel requires less energy compared to producing steel from raw materials, leading to lower greenhouse gas emissions and energy consumption. Moreover, special steel finds extensive application in energy-efficient endeavors. For instance, it is heavily employed in the manufacturing of wind turbines, which produce renewable energy. By providing a material capable of withstanding the demanding conditions of wind turbines, special steel contributes to the expansion of clean energy sources. This, in turn, reduces dependence on fossil fuels, curbs carbon emissions, and aids in mitigating climate change. Lastly, special steel plays a vital role in the transportation industry. It is utilized in the production of lightweight, fuel-efficient vehicles like electric cars. Through reducing vehicle weight, special steel improves fuel efficiency and diminishes greenhouse gas emissions. Additionally, special steel is instrumental in constructing infrastructure for electric vehicle charging stations, facilitating the transition to cleaner transportation systems. In conclusion, special steel's contributions to sustainability are extensive. Its properties and applications promote durability, recyclability, energy efficiency, and clean energy generation. By conserving resources, reducing waste, and combating climate change, special steel emerges as a crucial material in shaping a more sustainable future.
- Q:What are the emerging trends in the special steel industry?
- Some of the emerging trends in the special steel industry include the growing demand for lightweight and high-strength steel in the automotive and aerospace sectors, the increasing adoption of advanced manufacturing technologies such as additive manufacturing, and the focus on sustainability and eco-friendly practices in steel production. Additionally, there is a rising emphasis on research and development to develop innovative alloys and steel grades that offer superior performance and durability for various applications.
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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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