Alloy Steel of Bearing
- Ref Price:
-
- 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 Alloy Steel For Bearing
1. Grade: AISI 52100, ASTM E52100, DIN 1.3505,JIS SUJ2, GCr15
|
100Cr6 |
52100 |
SUJ2 |
GCr15 |
|
100CrMo7 |
100CrMo7 |
SUJ5 |
GCr18Mo |
|
20CrMo4 |
4118H |
SCM418 |
G20CrMo |
|
20NICrMo2 |
8520H |
SNCM220 |
G20CrNiMo |
|
- |
- |
440C |
9Cr18 |
|
X108CrMo17 |
S44004 |
440C |
9Cr18Mo |
2. Specification: Diameter: 5.5~350mm Length: 2000-6000mm or as required
3. Steel Grade: Bearing Steel
4. Certification: ISO9001-2000; CE, UL
5. Inspection: 100% Ultrasonic according to the test standards: SEP1921-84, GR.3 CLASS C/C
6. Packing situation: standard seaworthy packing or as customer required
7. Heat treatment:
Soft annealing: heat to 680-720°C, cool slowly.
Hardness after annealing: Max. 241 HB
Hardening: 820 - 850 °C
Normalizing temperature: 840-880°C
Tempering: 540-680°
Usage and Applications of Alloy Steel For Bearing
Alloy steel is used in making all kinds of bearing ring and rolling elements, like combustion engine, machine tool, and bearings for melting machine; also used for making tools and measuring tools.
Bearing steels are used for ball and roller bearing applications and are comprised of low carbon steels and high carbon through harden able steel.
Alloy Steel can be used in machine parts and engineering components.
Applications range: Chemical fertilizer pipe, building, machinery, textile industry, etc
Packaging & Delivery of Alloy Steel For Bearing
Packaging Detail: Standard seaworthy packing or as customer required; Packed in bundles with standard export sea-worthy package or as customer require
Delivery Detail: 45 days after order confirmed
Delivery condition: Black, peeled, machined
Trade terms: FOB, CFR, CIF
MOQ: 25 tons or at customer's demands
Production Flow of Alloy Steel For Bearing
Process: EAF+LF+VD+ Hot Rolled(Forged)+ Heat Treatment (Annealed, A Normalized, Q+T)
The processing is hot rolled (strictly control sulphur, phosphorus and non-metallic inclusions content and distribution).
Product Advantages of Alloy Steel For Bearing
1. Good 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. Large amount of metal elements
6. High abrasion resistant SAE 52100 bearing steel
7. Steel GCr15 is the most widely used bearing steel
Quality Assurance of Alloy Steel for Bearing
We are the ISO 9001:2000 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.
- Q:How does special steel perform in low-temperature applications?
- Special steel performs well in low-temperature applications due to its unique properties such as high strength, toughness, and resistance to brittleness. It retains its mechanical properties even at extremely cold temperatures, making it ideal for industries like aerospace, automotive, and energy where materials need to withstand challenging environments.
- Q:How is heat-resistant steel used in the production of furnaces and boilers?
- Heat-resistant steel is used in the production of furnaces and boilers due to its ability to withstand high temperatures without deformation or failure. This type of steel is specifically designed to maintain its strength and structural integrity even when exposed to extreme heat conditions. By using heat-resistant steel, furnaces and boilers can efficiently generate and contain high levels of heat, ensuring a safe and reliable operation.
- Q:How does stainless steel contribute to architectural design?
- Stainless steel contributes to architectural design by providing a modern and sleek aesthetic, durability, and versatility. It can be used for various architectural elements such as cladding, roofing, handrails, and structural components. Its corrosion resistance and ability to withstand harsh environmental conditions make it a popular choice for both interior and exterior applications. Additionally, stainless steel can be easily fabricated into different shapes and sizes, allowing architects to create unique and innovative designs that enhance the overall appearance of buildings.
- Q:What are the different non-destructive testing techniques used for special steel?
- There are several non-destructive testing (NDT) techniques that are commonly used for special steel to ensure its quality and integrity without causing any damage. These techniques are essential in industries where special steel is used, such as aerospace, automotive, and construction, to ensure that the material meets the required specifications and standards. Some of the commonly used NDT techniques for special steel are: 1. Ultrasonic Testing (UT): This technique involves the use of high-frequency sound waves to detect internal flaws, such as cracks, voids, or inclusions, in special steel. UT is highly effective in detecting subsurface defects and is widely used due to its versatility and accuracy. 2. Magnetic Particle Testing (MT): MT is a technique that uses magnetic fields and iron particles to detect surface or near-surface defects in special steel. It is particularly useful in identifying defects like cracks, seams, or laps, as the magnetic particles will accumulate at these locations, making them visible under proper lighting conditions. 3. Liquid Penetrant Testing (PT): PT is a widely-used method for detecting surface defects in special steel. It involves applying a liquid penetrant to the surface of the material, which seeps into any surface cracks or defects. After a specified time, the excess penetrant is removed, and a developer is applied to make the defects visible. 4. Eddy Current Testing (ET): ET utilizes electromagnetic induction to detect surface or near-surface defects in special steel. It is particularly useful in detecting cracks, corrosion, or metal loss in conductive materials. ET is a fast and accurate method, making it suitable for high-speed production environments. 5. Radiographic Testing (RT): RT involves the use of X-rays or gamma rays to examine the internal structure of special steel. It can detect various defects, including porosity, inclusions, and cracks. RT provides detailed images that help identify the location, size, and severity of defects. 6. Visual Testing (VT): VT is a simple yet crucial technique that involves a visual examination of the surface of special steel. It helps identify surface defects like scratches, dents, or corrosion. Although VT is not as sensitive as other NDT techniques, it is often used as a preliminary inspection method. Each of these non-destructive testing techniques has its own advantages and limitations. The selection of the appropriate technique depends on factors such as the type and size of the special steel, the required inspection depth, and the specific defects that need to be detected. By using a combination of these techniques, manufacturers and inspectors can ensure the quality and reliability of special steel products.
- Q:How does special steel contribute to improving product performance in corrosive environments?
- Special steel contributes to improving product performance in corrosive environments by offering enhanced resistance against corrosion. The unique composition of special steel, which includes elements such as chromium, nickel, and molybdenum, provides a protective layer that prevents the material from being affected by corrosive elements present in the environment. This resistance to corrosion ensures that the product remains durable, reliable, and unaffected by rust or degradation, ultimately enhancing its performance and longevity in corrosive conditions.
- Q:What is the process of manufacturing special steel?
- The process of manufacturing special steel involves several steps to ensure the production of high-quality and durable steel with specific properties. 1. Raw Materials Selection: The first step is to carefully select the raw materials required for making special steel. This includes iron ore, coal, and other alloying materials such as chromium, nickel, and manganese, depending on the desired properties of the final product. 2. Melting: The selected raw materials are then melted in a large furnace, often through the use of electric arc furnaces or basic oxygen furnaces. These furnaces heat the raw materials to extremely high temperatures, typically around 1,600 to 2,000 degrees Celsius, to transform them into molten metal. 3. Refining: Once the raw materials are melted, the molten metal undergoes a refining process to remove impurities. This is done through techniques like degassing, desulphurization, and deoxidation, ensuring that the steel is free from unwanted elements that may negatively impact its properties. 4. Alloying: After refining, alloying elements are added to the molten metal to achieve the desired properties. These elements can modify the steel's strength, hardness, corrosion resistance, and other characteristics. The specific alloying elements and their proportions depend on the intended application of the special steel. 5. Continuous Casting: The molten steel is then poured into a continuous casting machine, which solidifies it into semi-finished products called billets, blooms, or slabs. This continuous casting process ensures a consistent and uniform structure throughout the steel. 6. Hot Rolling: The semi-finished products are then reheated and passed through a series of hot rolling mills. This process involves reducing the thickness and shaping the steel into various forms such as bars, rods, plates, or sheets, depending on the intended use. 7. Heat Treatment: After hot rolling, the steel may undergo heat treatment processes such as annealing, quenching, tempering, or case hardening. These treatments help to further enhance the mechanical properties of the steel, such as its hardness, toughness, and ductility. 8. Finishing: The final step involves surface finishing and quality control measures. The steel is inspected for any defects or imperfections that may have occurred during the manufacturing process. Surface treatments like pickling or galvanizing can also be applied to enhance the steel's appearance and protect it from corrosion. Overall, the process of manufacturing special steel is a complex and precise operation that requires careful selection of raw materials, melting, refining, alloying, continuous casting, hot rolling, heat treatment, and finishing. This ensures that the resulting steel meets the specific requirements and performance characteristics demanded by various industries.
- Q:What are the properties of high-temperature tool steel?
- High-temperature tool steel is known for its exceptional heat resistance, hardness, and wear resistance. It has the ability to retain its strength even at elevated temperatures, making it ideal for applications in high-temperature environments. Additionally, it exhibits excellent toughness, allowing it to withstand heavy loads and resist deformation. High-temperature tool steel also has good dimensional stability and can maintain its shape even under extreme conditions.
- Q:How does special steel contribute to the aerospace material weight reduction?
- Special steel contributes to aerospace material weight reduction by providing a lightweight yet strong and durable material option. Its unique properties, such as high strength-to-weight ratio and excellent corrosion resistance, allow for the construction of lighter aircraft components without compromising on safety or performance. This reduction in weight leads to improved fuel efficiency, increased payload capacity, and enhanced maneuverability, making special steel an essential element in aerospace industry's ongoing efforts to achieve greater fuel economy and sustainability.
- Q:What are the properties of die steel?
- Die steel is a type of tool steel that possesses a number of important properties. It has excellent wear resistance, high hardness, and good toughness, making it ideal for use in applications that involve cutting, shaping, or forming materials. Die steel also exhibits good heat resistance, enabling it to retain its hardness and strength even at elevated temperatures. Additionally, it has good machinability, enabling it to be easily shaped and formed into various die components. Overall, die steel is known for its durability, strength, and ability to withstand high-stress environments.
- Q:What are the standards and certifications for special steel?
- Some of the standards and certifications for special steel include ISO 9001 for quality management systems, ISO 14001 for environmental management systems, and ISO 45001 for occupational health and safety management systems. Additionally, there are various industry-specific standards such as ASTM International, EN standards, and JIS standards that provide specifications and testing requirements for different types of special steel. These standards and certifications ensure that the special steel meets specific quality, safety, and environmental standards, and helps to establish trust and credibility in the industry.
1. Manufacturer Overview |
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| 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 |
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| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period | |
3. Manufacturer Capability |
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| 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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Alloy Steel of Bearing
- Ref Price:
-
- 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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OKorder Financial Service
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