Bearing Steel Bar
- 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
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Specifications of Bearing Steel Bar
1. Dimensional sizes: Thickness: 14~100mm.Length:3000~5800mm,Diameter :14-500mm
2.Chemical composition: C=0.96~1.05,Si=0.15~0.35,Mn=0.25~0.45,Cr=1.4~1.65,P≤0.025,S≤0.025,Ni≤0.22,Cu≤0.20,Mo≤0.08
3. Grade: SAE51200/ GCr15 / 100cr6
4. 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°C
5. Surface requirements: Black, grinding, bright, polish
6. Payment terms: 20% deposit, balance against L/C at sight or T/T.
Usage & Applications of Bearing Steel Bar
Stable elements, low harmful elements, high-purity steel, evenly carbides, ewer surface defects;
using with wide range of plastic processing, heat treatment with stable quality, high and
evenly hardness, good wear resistance, high strength of contact fatigue; excellent cutting and process ability.
Packaging & Delivery of Bearing Steel Bar
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.
Note:
1. According to national standard (GB) for our products, if not, supply according to national standards (GB) or agreement.
2. We can not only provide electric furnace +LF+VD and electro-slag re-melting (ESR)steel forging materials, but also forging products of piece, bar, etc.
3. Our company is equipped with roll equipment and can provide our customers with roll billets or finished.
4. Please send us your detailed specifications when inquire. We will reply to you ASAP.
- Q: How does special steel contribute to the power generation machinery industry?
- Special steel plays a crucial role in the power generation machinery industry as it provides the necessary strength, durability, and resistance to extreme temperatures and corrosion. The use of special steel in components such as turbine blades, generator shafts, and boiler tubes enhances the overall efficiency and reliability of power generation machinery. Additionally, special steel's unique properties enable the production of more compact and lightweight equipment, leading to improved performance and reduced energy consumption.
- Q: What are the specific requirements for special steel used in the nuclear fuel industry?
- The specific requirements for special steel used in the nuclear fuel industry are stringent and demanding. These requirements are necessary to ensure the safety and reliability of nuclear power plants. Here are some of the key specifications for special steel used in this industry: 1. High temperature resistance: Special steel used in the nuclear fuel industry must be able to withstand high temperatures without losing its structural integrity. This is crucial as nuclear reactors generate extreme heat during operation. 2. Corrosion resistance: Nuclear fuel environments can be highly corrosive due to the presence of hot and pressurized water, radiation, and chemical reactions. Special steel used in the industry must have exceptional corrosion resistance to prevent degradation and maintain safety. 3. Radiation resistance: The nuclear fuel industry involves exposure to radiation. Special steel needs to have excellent resistance to radiation damage and embrittlement to ensure long-term structural integrity and prevent any risk of failure. 4. High strength and toughness: Special steel used in the nuclear fuel industry should possess high strength and toughness to withstand the extreme conditions experienced within a nuclear reactor. This ensures that the steel can withstand the pressure and stress exerted on it during reactor operation. 5. Low neutron absorption: Neutron absorption is a critical factor in nuclear reactors. Special steel used in the industry should have low neutron absorption properties to prevent interference with the nuclear reactions and to maintain reactor efficiency. 6. Strict quality control and traceability: The manufacturing and fabrication of special steel for the nuclear fuel industry must adhere to stringent quality control procedures to ensure consistency and reliability. Traceability is also crucial to identify the origin and history of the steel, allowing for comprehensive inspections and assessments. Meeting these specific requirements is essential for the safe and efficient operation of nuclear power plants. Special steel used in the nuclear fuel industry must undergo rigorous testing, certification, and quality control processes to ensure its compliance with these stringent specifications.
- Q: What are the properties of shock-resistant alloy steel?
- Shock-resistant alloy steel is known for its exceptional toughness and ability to withstand high impact and shock loads. It possesses a unique combination of strength, hardness, and ductility, making it ideal for applications in industries such as aerospace, automotive, and manufacturing. This type of steel undergoes specialized heat treatment processes to enhance its shock-resistance, thereby ensuring it can absorb and dissipate energy without fracturing or deforming. Additionally, shock-resistant alloy steel exhibits excellent corrosion resistance and can maintain its mechanical properties even in harsh environments, making it a reliable and durable material for various demanding applications.
- Q: How does special steel contribute to the machinability of products?
- Special steel plays a significant role in enhancing the machinability of products. Machinability refers to the ease with which a material can be cut, drilled, or shaped using various machining processes. Special steel, also known as alloy steel, is specifically formulated to contain certain elements that improve its machinability characteristics. One key aspect of special steel that contributes to its enhanced machinability is its composition. By incorporating alloying elements such as manganese, sulfur, and phosphorus, special steel achieves improved machinability compared to regular carbon steel. These elements help in reducing friction during machining operations, resulting in reduced tool wear and extended tool life. Additionally, the presence of these elements facilitates the formation of smaller and more manageable chips during cutting, making it easier to control the machining process and maintain dimensional accuracy. Moreover, special steel often undergoes specific heat treatment processes, such as annealing or quenching and tempering, to further enhance its machinability. Heat treatment improves the steel's microstructure, making it more uniform and refined, which in turn improves its machinability characteristics. Heat-treated special steel exhibits better hardness, toughness, and resistance to wear, all of which are crucial for achieving high-quality machined products. Furthermore, special steel can be engineered to possess other desirable properties, such as high strength, corrosion resistance, or heat resistance, while still maintaining good machinability. This versatility allows manufacturers to select the most suitable special steel for their specific machining applications, ensuring optimal performance and productivity. In conclusion, special steel significantly contributes to the machinability of products due to its specific composition, heat treatment processes, and versatile properties. By utilizing special steel, manufacturers can achieve better machining performance, improved tool life, and higher dimensional accuracy, ultimately leading to superior quality products.
- Q: What are the requirements for special steel used in railway applications?
- Due to the demanding nature of the industry, the railway sector has stringent requirements for the special steel it uses. Here are a few key considerations: 1. Strength and durability are of utmost importance. The steel must possess exceptional strength and durability to withstand the heavy loads and constant vibrations experienced by trains. This is crucial in preventing deformation, fatigue, and failure of steel components. 2. Wear resistance is another vital requirement. The constant movement of trains subjects railway tracks and other components to significant wear and tear. Therefore, the special steel used in railway applications should have good wear resistance. This ensures a longer service life and reduces maintenance costs. 3. Corrosion resistance is imperative due to exposure to various environmental conditions, such as rain, snow, and chemicals. The special steel must possess high corrosion resistance to prevent rusting and degradation. This ensures the longevity of the components. 4. Fatigue resistance is crucial since trains undergo repetitive loading cycles that can lead to fatigue in steel components. Special steel with excellent fatigue resistance is necessary to prevent cracking and failure. This ensures the safety and reliability of railway systems. 5. High impact toughness is essential. Special steel used in railway applications must absorb energy during sudden shocks or accidents. This prevents catastrophic failures and ensures the safety of passengers and railway personnel. 6. Heat resistance is a requirement for certain railway applications, especially high-speed trains. The steel components are exposed to high temperatures due to friction or other sources. Special steel should possess good heat resistance to maintain its mechanical properties and structural integrity even under elevated temperatures. 7. Dimensional stability is crucial to maintain the required tolerances and alignment of various components in railway applications. Special steel should exhibit excellent dimensional stability. This ensures smooth operation, reduces noise, and prevents excessive wear. These are the primary requirements for special steel used in railway applications. Meeting these requirements is crucial for the safe, reliable, and efficient operation of railway systems.
- Q: How does special steel perform in extreme cold temperatures?
- Special steel is custom-made to excel under frigid conditions, with alloys that possess a high level of low temperature ductility. This quality enables the steel to maintain its structural integrity even in the harshest cold settings, making it a popular choice in Arctic exploration, oil and gas operations in cold regions, and the aerospace industry. A key distinguishing feature of special steel is its resistance to brittleness when exposed to low temperatures. Unlike regular steel, which becomes brittle and susceptible to cracking in extreme cold, special steel retains its toughness, rendering it suitable for sub-zero conditions. This remarkable attribute is achieved through meticulous selection and control of the alloy's composition, allowing for a superior balance between strength and ductility. Moreover, special steel boasts exceptional resistance to corrosion, a particularly crucial trait in cold environments where exposure to snow, ice, and moisture is prevalent. The alloying elements present in special steel, such as chromium and nickel, generate a protective oxide layer on the surface, successfully preventing corrosion and preserving the steel's structural integrity. Additionally, special steel exhibits remarkable thermal conductivity, enabling efficient heat transfer even in extremely cold temperatures. This thermal property is of paramount importance in applications where effective heat management is essential, such as in the aerospace industry or in equipment operating in cold climates. In summary, special steel is meticulously engineered to excel in extreme cold temperatures. Its low temperature ductility, resistance to brittleness, corrosion resistance, and thermal conductivity establish it as a dependable and enduring material for diverse applications in cold environments.
- Q: Can special steel be used in the renewable energy sector?
- Yes, special steel can be used in the renewable energy sector. Special steel offers high strength, corrosion resistance, and durability, making it suitable for various applications such as wind turbines, solar panels, and hydropower systems. It can help enhance the efficiency and longevity of renewable energy infrastructure, thereby supporting the transition to a more sustainable energy future.
- Q: What are the physical properties of special steel?
- Special steel refers to a broad category of steel alloys that possess unique physical properties compared to regular steel. These properties can vary depending on the specific type of special steel. However, some common physical properties include high strength, hardness, toughness, and resistance to corrosion and wear. Special steels are often tailored for specific applications, such as automotive components, aerospace structures, or toolmaking, to meet the demanding requirements of these industries.
- Q: How does special steel compare to other materials such as aluminum or titanium?
- Special steel, while not as lightweight as aluminum or titanium, offers exceptional strength, durability, and resistance to corrosion. It is often preferred in applications that require high tensile strength, such as construction and automotive industries. Additionally, special steel can be more cost-effective compared to aluminum or titanium, making it a popular choice for various manufacturing purposes.
- Q: Can special steel be coated or plated?
- Yes, special steel can be coated or plated with various materials to enhance its properties, protect against corrosion, or improve its aesthetic appearance.
REDMETAL,a well-known enterprise specializing in the production and sales of spring steel and bearing steel.
Since the establishment of our company, we have been aimed to provide the customers with qualify and cheap product and the satisfatory service.
1. Manufacturer Overview
| 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
| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period |
3. Manufacturer Capability
| 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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Bearing Steel Bar
- 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
Credit Rating, Credit Services, Credit Purchasing
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