AISI 52100 Bearing Steel
- Ref Price:
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25MT m.t.
- Supply Capability:
- 600000TONS/YEAR m.t./month
- OKorder Service Pledge
- Quality Product
- Order Online Tracking
- Timely Delivery
- OKorder Financial Service
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- Credit Services
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Specifications of AISI 52100 Bearing Steel
1. Standard:
CHINA | ISO | U.S.A. | GERMANY | JAPAN | SWENDEN | FRANCE |
Gcr15 | 683/XVII | 52100(AISI) | 100Cr6(DIN) | SUJ2(JIS) | SKF3 | 100C6(NF) |
2. Dimensions: Diameter 80-1000mm,or as required; Length 500-6000mm,or as required;
3. Processing conditions:
Annealing: Heating to 790-810°C, furnace cool to 650°C, then cool in air |
Normalized: Heating to 900-920°C, cool in air |
High Temperature Tempered: Heating to 650-800°C, cool in air |
Quenched: Heating to 860°C, oil quenched |
Low Temperature Tempered: Heating to 150-170°C, cool in air |
4. Characters:
1) Comprehensive properties
2) Good performance in cutting and processing after spheroids annealing
3) High hardness and homogenization after quenching and tempering
4) High abrasive resistance and fatigue resistance
5. Chemical Composition
6.Tempering Diagram
.
7. Payment terms: T/T or L/C at sight
Usage & Applications of AISI 52100 Bearing Steel
Our products have been used in all kinds of areas, such as aviation, aerospace, navigation, nuclear, energy, chemical industry, electronic information, petrochemical, automotive, instrument and meter, Communication ,transportation, and medical instruments, etc. Bearing ring,steel rolling mill ,machinery, 100Cr6 bearing steel ball is widely used in high-speed and low-noise bearing, bicycle, motorcycle, automobile, bags, electronics.
Packaging & Delivery of AISI 52100 Bearing Steel
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:
- There are several different types of high-strength steel, including advanced high-strength steels (AHSS), ultra-high-strength steels (UHSS), and microalloyed steels. AHSS are specifically designed to provide improved strength and formability, making them suitable for automotive applications. UHSS have even higher strength levels than AHSS and are often used in applications where weight reduction and crashworthiness are critical, such as in the aerospace industry. Microalloyed steels are a type of high-strength steel that use small amounts of alloying elements to achieve increased strength and toughness.
- Q:
- Special steel is available in various forms such as bars, plates, sheets, tubes, wires, and forgings.
- Q:
- 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:
- Spring steel is commonly used in the automotive industry for various purposes. It is primarily utilized to manufacture suspension systems, such as coil springs, leaf springs, and stabilizer bars. The unique properties of spring steel, including its high strength, elasticity, and resistance to deformation, allow these components to effectively absorb shocks and provide a smoother ride. Additionally, spring steel is also employed in the production of engine valves, seat frames, and steering components due to its durability and ability to withstand high temperatures and stress.
- Q:
- Some of the non-destructive testing methods used for special steel include ultrasonic testing, magnetic particle testing, liquid penetrant testing, and radiographic testing. These methods allow for the detection of defects, cracks, or other imperfections in the steel without causing any damage to the material itself.
- Q:
- To enhance the mechanical properties of special steels, surface peening is employed to induce compressive stresses on the surface. This process helps improve fatigue life, resistance to stress corrosion cracking, and overall durability. Various methods of surface peening exist for special steel, including: 1. Shot Peening: This technique involves bombarding the steel surface with high-velocity spherical particles, known as shot. The impact of these particles induces plastic deformation and creates compressive stresses. Shot peening is widely used due to its effectiveness in improving fatigue life. 2. Ultrasonic Peening: Compressive stresses are induced on the steel surface using high-frequency vibrations in ultrasonic peening. These vibrations are applied through a tool in contact with the surface, leading to plastic deformation and the generation of compressive stresses. 3. Laser Peening: A high-energy laser beam is utilized in laser peening to create shockwaves on the steel surface. These shockwaves induce plastic deformation and generate compressive stresses. Laser peening is known for its precision and ability to target specific areas. 4. Cavitation Peening: By creating cavitation bubbles near the steel surface in a liquid medium, cavitation peening induces compressive stresses. The collapse of these bubbles generates high-intensity shockwaves. This method is particularly beneficial for irregularly shaped components. 5. Needle Peening: In needle peening, a bundle of fine needles is repeatedly impacted on the steel surface. This process induces plastic deformation and generates compressive stresses. Needle peening is commonly used for localized treatment of small areas. Each of these methods offers unique advantages and is suitable for specific applications. The selection of the surface peening method depends on factors like the type of special steel, component geometry, desired improvements, and available equipment. It is crucial to consider the specific requirements and seek expert advice to determine the most appropriate method for surface peening special steel.
- Q:
- The process known as carburizing, or case hardening, is utilized to introduce carbon into the surface layer of special steel, resulting in several beneficial effects. Firstly, carburizing forms a tough outer layer, called the case, which is carbon-rich. The infusion of carbon atoms into the steel matrix during carburizing increases the carbon content on the surface, leading to a higher level of hardness compared to the core. This hardened case provides exceptional resistance against wear, abrasion, and surface fatigue, making it ideal for applications requiring high durability, such as gears, camshafts, and bearings. Moreover, carburizing enhances the strength of the steel by improving its ability to form martensite, a hard, crystalline structure. This transformation contributes further to the hardness and strength of the carburized steel, making it suitable for applications necessitating high load-bearing capacity, like shafts and axles. Furthermore, carburizing has the potential to improve the fatigue resistance of special steel. The hardened case created during the carburizing process helps distribute stress evenly across the surface, reducing the probability of crack initiation and propagation. This enhanced resistance to fatigue failure makes carburized steel appropriate for components exposed to cyclic loading, such as gears and springs. However, it is important to acknowledge that carburizing also has its drawbacks. The higher carbon content on the surface can reduce the material's ductility and toughness, making it more susceptible to brittle fracture. To address this issue, it is common practice to utilize steel with a lower carbon content for the core, ensuring a balance between hardness and toughness. In conclusion, carburizing significantly impacts the properties of special steel, enhancing hardness, wear resistance, and strength, which is advantageous for applications requiring durability, high load-bearing capacity, and fatigue resistance. Nevertheless, careful control of the process is necessary to maintain a balance between hardness and toughness, ensuring the overall performance and reliability of the material.
- Q:
- The main characteristics of high-speed steel forgings include high hardness, excellent wear resistance, good toughness, and the ability to retain their hardness and strength at elevated temperatures. They also exhibit good machinability, high dimensional stability, and resistance to deformation under heavy loads.
- Q:
- The toughness of special steel can be assessed by specific tests and methodologies that evaluate its capacity to absorb energy and withstand fractures. One widely used approach is the Charpy V-Notch (CVN) test, in which a notched specimen is struck by a pendulum hammer, and the energy absorbed during fracture is measured. The results are then expressed as the energy absorbed per unit area, typically in joules per square centimeter (J/cm²) or foot-pounds per square inch (ft-lb/in²). Another commonly employed test is the Izod test, which is similar to the CVN test but involves a different specimen geometry. Furthermore, engineers and manufacturers may also employ other mechanical tests such as tensile strength, impact strength, and fracture toughness measurements to evaluate the toughness of special steel. These tests are invaluable in determining the suitability of special steel for various applications, particularly those requiring exceptional resistance to impact or sudden loading.
- Q:
- The specific requirements for special steel used in the automotive piston industry are designed to ensure high performance, durability, and efficiency of the pistons. These requirements include: 1. High strength: Special steel used in automotive pistons must possess high tensile strength and hardness to withstand the extreme pressures and temperatures generated during combustion. 2. Heat resistance: The steel must have excellent heat resistance properties to withstand the intense heat generated by the combustion process without deforming or losing strength. 3. Wear resistance: Pistons undergo constant friction and wear against the cylinder walls. Therefore, the special steel used must have good wear resistance to minimize the wear and tear and prolong the lifespan of the piston. 4. Low thermal expansion: The steel should have a low coefficient of thermal expansion to prevent excessive expansion and contraction during temperature variations, ensuring a tight seal between the piston and cylinder walls. 5. Corrosion resistance: Pistons are exposed to various corrosive elements, including combustion by-products and engine oil. Special steel used in piston manufacturing must have good corrosion resistance to prevent premature deterioration and failure. 6. Fatigue resistance: The steel should possess excellent fatigue resistance to withstand the repetitive stress cycles experienced by the piston during engine operation. 7. Machinability: Special steel used in pistons should be easily machinable to achieve precise dimensions and tolerances necessary for optimal performance. 8. Cost-effectiveness: While meeting the above requirements, special steel used in the automotive piston industry should also be cost-effective to ensure profitability for the manufacturers. By meeting these specific requirements, special steel used in the automotive piston industry contributes to the overall performance, reliability, and longevity of the piston, which in turn enhances the efficiency and durability of the entire engine system.
1. Manufacturer Overview |
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Location | Jiangsu, China |
Year Established | 1990 |
Annual Output Value | Above US$ 20 Million |
Main Markets | Mid East; Eastern Europe; North America |
Company Certifications |
2. Manufacturer Certificates |
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a) Certification Name | |
Range | |
Reference | |
Validity Period |
3. Manufacturer Capability |
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a)Trade Capacity | |
Nearest Port | Shanghai |
Export Percentage | 20% - 30% |
No.of Employees in Trade Department | 21-50 People |
Language Spoken: | English; Chinese |
b)Factory Information | |
Factory Size: | Above 100,000 square meters |
No. of Production Lines | 1 |
Contract Manufacturing | OEM Service Offered; |
Product Price Range | High; Average |
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