Special Steel For Bearing
- Loading Port:
- Guangzhou
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25MT m.t.
- Supply Capability:
- 600000 Tons/Year m.t./month
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Specifications of Special Steel For Bearing
Standard |
AISI, ASTM, BS, DIN, GB, JIS |
Dimension |
Diameter: 50mm-500mm Length: 2000-5800mm |
Grade |
GCr15, SAE 52100, L3, 1.2067/100Cr6 |
Surface treatment |
Black/machined/turned/polished |
Technology |
EF/ESR/EAF+VD+LF |
Inspection |
100% UT According to En1921D/d |
Certificate |
ISO9001: 2008 |
Main Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Central America, Northern Europe, Southern Europe
Chemical Composition:
China GB, GCr15: C: 0.95-1.05; Si: 0.15-0.35; Mn: 0.25-0.45; Cr: 1.40-1.65
USA AISI, L3: C: 1; Si: 0.50; Mn: 0.25-0.50; Cr: 1.10-1.70
German DIN, 1.2067: C: 0.95-1.10; Si: 0.15-0.35; Mn: 0.25-0.40; Cr: 1.40-1.70
France NF, 100Cr6: C: 0.95-1.10; Si: 0.10-0.35; Mn: 0.20-0.40; Cr: 1.35-1.60
Usage and Applications of Special Steel For Bearing
Wire drawing die/ Heading die
High Quality Bearing steel is used for manufacturing ball, roller bearing steel and rings. Bearing in work is under great pressure and friction, so have high demands bearing steel and hardness and resistance, and high elastic limit.
Bearing steels are used for ball and roller bearing applications and are comprised of low carbon steels and high carbon through harden able steel.
For example, bearing ring, steel rolling mill, machinery, 100Cr6 bearing steel ball is widely used in high-speed and low-noise bearing, bicycle, motorcycle, automobile, bags electronically.
Packaging & Delivery of Special Steel For Bearing
Packaging Detail: Standard seaworthy packing or as customer required.
Delivery Detail: 45 days
Trade terms: FOB, CFR, CIF
MOQ: 25 tons or at customer's demands
Shape of Special Steel For Bearing
Round bar/Flat sheet/steel flat
1. Round: forged steel, rolled steel, drawing steel, polishing steel
2. Abnormal shape: quadrilateral steel, hexagons steel
3. Flat steel
Other Size of Special Steel for Bearing
Round |
Diameter |
Length | |
50mm-500mm |
2000mm-5800mm | ||
Steel plate |
Thickness |
Width |
Length |
20-400mm |
80-1000mm |
2000mm-5800mm |
Characteristics of Special Steel for Bearing
1. High carbon bearing steel
2. High strength and abrasion resistance
3. Low alloy and high fatigue property
4. With strong technical force, better reliability, high quality, competitive price, fast leading time and excellent after-sales service, we have gained a good reputation from our customers.
Quality Assurance of Special Steel for Bearing
We are the ISO 9001:2008 authentication enterprises and we can provide the enterprise's quality written guarantee for all the exported products.
Certificate of quality is issued in English, in addition the normal terms, production process, the mechanical property (yield strength, tensile strength, elongation and hardness. forged ratio, UT test result, Grain size, heat treatment methods and the sample of is shown on the certificate of quality.
Management Certification: ISO 9001:2000, QS-9000, ISO 14001:2004
- Q: What are the challenges in machining special steel with complex geometries?
- Machining special steel with complex geometries poses several challenges. Firstly, the hardness and toughness of special steel can make it difficult to cut, requiring specialized tools and techniques. Additionally, the intricate geometries of the components can pose challenges in terms of accessing and maneuvering the cutting tools, which may require specialized equipment or processes. Furthermore, the heat generated during machining can affect the properties of special steel, such as its hardness and dimensional stability, requiring careful monitoring and control. Overall, machining special steel with complex geometries demands expertise, precision, and adaptability to overcome these challenges.
- Q: How does special steel perform in high-temperature fatigue?
- Special steel is known for its exceptional performance in high-temperature fatigue conditions. When subjected to elevated temperatures, special steel exhibits properties such as high strength, excellent resistance to creep, and superior thermal stability. These characteristics make it highly reliable and capable of withstanding prolonged exposure to extreme temperatures without significant degradation in performance. One of the reasons for special steel's exceptional performance in high-temperature fatigue is its unique composition. It typically contains alloying elements such as chromium, molybdenum, and vanadium, which enhance its high-temperature strength and resistance to thermal fatigue. These alloying elements form stable carbides and nitrides that help retain the material's structural integrity even under extreme heat and cyclic loading. Furthermore, special steel undergoes specialized heat treatment processes, such as quenching and tempering, to further improve its high-temperature fatigue properties. These treatments enhance the material's microstructure, resulting in increased strength, toughness, and resistance to thermal fatigue. In high-temperature fatigue conditions, special steel demonstrates excellent fatigue strength and durability, even when subjected to cyclic loading at elevated temperatures. Its high-temperature fatigue limit is significantly higher than that of regular steel, allowing it to withstand repeated stress and strain without experiencing premature failure. This makes special steel an ideal choice for applications that involve high-temperature environments, such as gas turbines, heat exchangers, and aerospace components. In conclusion, special steel performs exceptionally well in high-temperature fatigue conditions due to its unique composition, specialized heat treatment processes, and superior mechanical properties. Its high strength, resistance to creep, and thermal stability make it a reliable and durable material for applications that require prolonged exposure to extreme temperatures.
- Q: Can special steel be used in electrical applications?
- Special steel can indeed find its use in electrical applications. There exist specific properties in special steel alloys, like stainless steel or tool steel, that render them appropriate for usage in electrical applications. These properties encompass excellent electrical conductivity, remarkable resistance against corrosion, and commendable strength. To illustrate, stainless steel frequently finds its application in electrical enclosures, wire mesh, and connectors, owing to its ability to ward off corrosion caused by moisture or chemicals. Conversely, tool steel is commonly employed in the production of electrical tools and equipment, such as pliers or screwdrivers, due to its superior strength and durability. On the whole, special steel alloys can provide the desired electrical properties and performance required for diverse electrical applications.
- Q: How does special steel contribute to the manufacturing of springs?
- Special steel plays a crucial role in the manufacturing of springs due to its unique properties and characteristics. Springs are mechanical components that store and release mechanical energy, and special steel provides the necessary strength, durability, and resilience for these applications. One of the key contributions of special steel to spring manufacturing is its high tensile strength. Special steel alloys are designed to have a higher strength-to-weight ratio compared to regular steels, allowing springs to withstand heavy loads and high stresses without deforming or breaking. This property ensures the longevity and reliability of springs, even in demanding applications such as automotive suspensions or industrial machinery. Furthermore, special steel exhibits excellent elasticity and resilience. Springs need to retain their shape and performance over repeated cycles of compression and extension. Special steel alloys are formulated to have a high elastic limit, meaning they can be deformed significantly and still return to their original shape without permanent deformation. This property allows springs to absorb and release energy reliably, providing the desired mechanical functionality in various applications. Another important contribution of special steel to spring manufacturing is its resistance to fatigue and corrosion. Springs are often subjected to cyclic loading, which can lead to fatigue failure over time. Special steel alloys are designed to have enhanced fatigue resistance, allowing springs to endure millions of cycles without failure. Additionally, special steel can be further treated or coated to enhance its corrosion resistance, which is crucial for springs exposed to harsh environments or chemicals. In conclusion, special steel significantly contributes to the manufacturing of springs by providing high tensile strength, excellent elasticity and resilience, fatigue resistance, and corrosion resistance. These properties ensure the durability, performance, and longevity of springs, making them essential components in various industries such as automotive, aerospace, and manufacturing.
- Q: What are the different methods for improving the corrosion resistance of stainless special steel?
- There are several methods for improving the corrosion resistance of stainless special steel. Some of the common methods include alloying the steel with elements such as chromium, nickel, and molybdenum, which enhance its resistance to corrosion. Another method is passivation, which involves treating the steel with an acid solution to remove any surface contaminants and create a protective oxide layer. Coating the steel with materials like paint, powder coating, or electroplating can also improve its corrosion resistance. Additionally, proper cleaning and maintenance practices, such as regular removal of dirt and debris, can help prevent corrosion and maintain the steel's resistance over time.
- Q: What are the different surface treatments used for special steel?
- There are several different surface treatments that can be used for special steel, depending on the specific requirements and desired properties. Some of the commonly used surface treatments for special steel include: 1. Nitriding: This process involves diffusing nitrogen into the surface of the steel, resulting in a hardened layer. Nitriding improves the surface hardness, wear resistance, and fatigue strength of the steel. 2. Carburizing: Carburizing involves introducing carbon into the surface of the steel, forming a hard and wear-resistant layer. This process enhances the surface hardness and improves the steel's resistance to wear and fatigue. 3. Coating: Coating is a popular surface treatment technique where a thin layer of protective material is applied to the steel surface. Coatings can include various materials like zinc, chrome, or ceramic, which provide corrosion resistance, improved aesthetics, and enhanced durability. 4. Shot peening: Shot peening is a mechanical surface treatment technique that involves bombarding the steel surface with small metallic or ceramic particles. This process induces compressive stresses in the material, enhancing its fatigue strength and resistance to cracking. 5. Electroplating: Electroplating is a process where a thin layer of metal is deposited onto the steel surface using an electrical current. This treatment provides improved corrosion resistance and can also enhance the appearance of the steel. 6. Passivation: Passivation involves treating the steel surface with a chemical solution to remove impurities and create a protective oxide layer. This process improves the corrosion resistance and enhances the surface finish of the steel. 7. Anodizing: Anodizing is a surface treatment commonly used for aluminum but can also be applied to special steel. It involves creating an oxide layer on the steel surface through an electrolytic process. Anodizing improves corrosion resistance, provides an aesthetic finish, and can also be used for coloring the steel. These different surface treatments offer various benefits and are chosen based on the specific application requirements, such as corrosion resistance, wear resistance, hardness, aesthetics, or improved mechanical properties.
- Q: How does special steel perform in high-frequency applications?
- Special steel, also known as high-speed steel (HSS), performs exceptionally well in high-frequency applications. This type of steel is specifically designed to withstand the extreme heat and stress generated in high-speed machining operations. The unique composition of special steel, which typically includes elements such as tungsten, molybdenum, cobalt, and vanadium, provides it with remarkable hardness, toughness, and wear resistance. These properties make it highly suitable for use in high-frequency applications where the material is subjected to rapid cutting speeds and frequent abrasion. Due to its excellent hardness, special steel can maintain its cutting edge even at elevated temperatures, ensuring superior performance in high-frequency applications. It exhibits minimal deformation or loss of cutting efficiency, which results in improved productivity and extended tool life. Moreover, its exceptional wear resistance allows it to withstand the constant friction and heat generated during high-speed machining operations, preventing premature tool failure. Furthermore, special steel possesses excellent thermal conductivity, which helps dissipate the heat generated during high-frequency applications. This feature is crucial for maintaining dimensional stability and preventing the material from warping or distorting under extreme temperatures. As a result, special steel tools can maintain their precision and accuracy even during prolonged high-frequency operations. In summary, special steel is highly effective in high-frequency applications due to its exceptional hardness, toughness, wear resistance, and thermal conductivity. Its ability to withstand extreme heat and stress, while maintaining cutting performance and dimensional stability, makes it the preferred choice for industries such as aerospace, automotive, and manufacturing where high-speed machining is essential.
- Q: What are the different non-metallic inclusions in special steel?
- There are several types of non-metallic inclusions that can be found in special steel. These inclusions are usually formed during the steelmaking process and can have a significant impact on the properties and performance of the steel. One common type of non-metallic inclusion is oxide inclusions. These inclusions are typically formed by the reaction of oxygen with elements present in the steel, such as silicon, manganese, and aluminum. Oxide inclusions can have a detrimental effect on the steel's mechanical properties, such as reducing its toughness and ductility. Another type of non-metallic inclusion is sulfide inclusions. These inclusions are formed by the reaction of sulfur with elements like manganese and iron. Sulfide inclusions can also have a negative impact on the steel's mechanical properties, as they can act as stress concentration sites and promote the initiation of cracks. Nitride inclusions are another type of non-metallic inclusion that can be found in special steel. These inclusions are formed by the reaction of nitrogen with elements like aluminum and titanium. Nitride inclusions can have a positive effect on the steel's properties, as they can improve its strength and hardness. Other types of non-metallic inclusions that can be present in special steel include carbide inclusions, which are formed by the reaction of carbon with elements like iron and chromium, and silicate inclusions, which are formed by the reaction of silica with elements like calcium and aluminum. Overall, the presence and characteristics of non-metallic inclusions in special steel can greatly influence its performance and suitability for specific applications. Therefore, it is important for steel manufacturers to carefully control and minimize the formation of these inclusions in order to produce high-quality steel with desired properties.
- Q: How does special steel perform in nuclear applications?
- Special steel performs exceptionally well in nuclear applications due to its unique properties. It has high strength, excellent corrosion resistance, and exceptional temperature resistance, making it ideal for containing and transporting radioactive materials. Special steel also maintains its structural integrity even under extreme conditions, such as high radiation levels and elevated temperatures, thus ensuring the safety and reliability of nuclear facilities. Additionally, its excellent weldability and formability allow for precise fabrication, enabling the construction of complex nuclear components. Overall, special steel plays a crucial role in enhancing the efficiency, durability, and safety of nuclear applications.
- Q: What are the different surface hardening grades of special steel?
- Different surface hardening grades of special steel are available, each with specific characteristics and properties. Some commonly used grades include the following: 1. Case-hardening steels: These grades, typically low carbon steels, develop a hard outer layer while maintaining a softer core. Carburizing or nitriding processes introduce carbon or nitrogen into the steel surface. These steels are used in applications where wear resistance and toughness are necessary. 2. Tool steels: These grades are designed for cutting, forming, and shaping tools. Tool steels are known for their high hardness, wear resistance, and ability to retain a cutting edge even at high temperatures. Various types of tool steels, such as HSS, hot work steel, cold work steel, and plastic mold steel, are suitable for specific applications. 3. Stainless steels: These grades contain a minimum of 10.5% chromium, providing excellent corrosion resistance. Stainless steels can be hardened through precipitation hardening or martensitic transformation. They are commonly used in industries requiring resistance to corrosion and high temperatures, such as food processing, chemical, and medical industries. 4. High-strength steels: These grades offer exceptional strength and toughness. They often contain alloying elements like manganese, chromium, or nickel to enhance their mechanical properties. High-strength steels are commonly used in structural applications, automotive components, and heavy machinery. 5. Maraging steels: These grades are known for their high strength, toughness, and excellent resistance to fracture. Maraging steels achieve these properties through a unique aging process involving precipitation hardening. They find applications in aerospace, defense, and tooling industries. 6. Bearing steels: These grades are specially formulated to provide excellent wear resistance and durability for bearing applications. Bearing steels often contain alloying elements like chromium, molybdenum, and vanadium to enhance their mechanical properties and fatigue resistance. These examples represent the diverse range of surface hardening grades of special steel, each offering unique properties and characteristics. This allows for a wide range of applications across various industries.
1. Manufacturer Overview
Location | Guangdong, China |
Year Established | 2005 |
Annual Output Value | Above US$ 100 Million |
Main Markets | korea, India, Malaysia, Brazil, Germany, Belgium, Middle East |
Company Certifications |
2. Manufacturer Certificates
a) Certification Name | |
Range | |
Reference | |
Validity Period |
3. Manufacturer Capability
a) Trade Capacity | |
Nearest Port | Guangzhou |
Export Percentage | 50%-80% |
No.of Employees in Trade Department | 21-100 People |
Language Spoken: | English; Chinese |
b) Factory Information | |
Factory Size: | 23,000 square meters |
No. of Production Lines | 1 |
Contract Manufacturing | OEM servise offered |
Product Price Range | high; average |
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Special Steel For Bearing
- Loading Port:
- Guangzhou
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25MT m.t.
- Supply Capability:
- 600000 Tons/Year m.t./month
OKorder Service Pledge
OKorder Financial Service
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