High Quality Hot rolled Special Bearing Steel Bar
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 500 m.t./month
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Product Description:
OKorder is offering Hot rolled Bearing Special Steel Bar at great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.
Product Applications:
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.
Product Advantages:
OKorder's Hot rolled Bearing Special Steel Bar are durable, strong, and resist corrosion.
Main Product Features:
· Premium quality
· Prompt delivery & seaworthy packing (30 days after receiving deposit)
· Corrosion resistance
· Can be recycled and reused
· Mill test certification
· Professional Service
· Competitive pricing
Product Specifications:
Specifications of Bearing Steel
1. Dimensional sizes: Thickness: 14~100mm.Length:3000~5800mm,Diameter :14-500mm
2.Chemical composition:
C | Si | Mn | Cr | Ni | Cu |
Equal or less than | |||||
0.95-1.05 | 0.15-0.35 | 0.20-0.40 | Cr:1.30-1.65 | 0.30 | 0.25 |
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. 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
7. Payment terms: T/T or L/C at sight
Packaging & Delivery of 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.
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.
FAQ:
Q1: Why buy Materials & Equipment from OKorder.com?
A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.
Q2: How do we guarantee the quality of our products?
A2: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.
Q3: How soon can we receive the product after purchase?
A3: Within three days of placing an order, we will begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.
- 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 special steel perform in high-wear applications?
- Special steel is specifically designed to withstand high-wear applications due to its exceptional hardness, toughness, and resistance to deformation. It exhibits superior performance by maintaining its shape, strength, and durability even under extreme conditions such as friction, abrasion, and impact. This makes it an ideal choice for industries where wear resistance is crucial, such as automotive, construction, mining, and manufacturing.
- Q:What are the main factors affecting the corrosion fatigue strength of special steel?
- The main factors affecting the corrosion fatigue strength of special steel include the corrosive environment, the presence of aggressive substances, the level of stress applied, the frequency of stress cycling, and the microstructure and composition of the steel itself.
- 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 different methods of preventing hydrogen embrittlement in special steel?
- There are several methods that can be employed to prevent hydrogen embrittlement in special steel. 1. Proper material selection: Choosing the right type of steel with a lower susceptibility to hydrogen embrittlement can be an effective preventive measure. Steels with high strength and hardness are generally more susceptible to embrittlement, so opting for steels with lower alloy content or different composition can be beneficial. 2. Controlled heat treatment: Proper heat treatment processes can help reduce the risk of hydrogen embrittlement. Tempering and annealing at specific temperatures can relieve internal stresses and minimize the impact of hydrogen absorption. 3. Hydrogen mitigation techniques: Various techniques can be utilized to prevent or reduce the amount of hydrogen in the steel. These include preheating the steel before exposure to hydrogen, utilizing desorption methods such as vacuum annealing to remove trapped hydrogen, and employing hydrogen scavenger coatings or inhibitors that capture or neutralize the hydrogen. 4. Stress reduction: High levels of stress can increase the likelihood of hydrogen embrittlement. Implementing stress relief techniques such as shot peening or stress-relieving heat treatments can help reduce the potential for embrittlement. 5. Proper handling and storage: Hydrogen embrittlement can also occur during the manufacturing, handling, or storage stages. It is essential to ensure that the steel is protected from exposure to hydrogen-rich environments, such as during cleaning or pickling processes. Proper packaging and storage techniques, including the use of dry environments or protective coatings, can also help prevent hydrogen absorption. 6. Maintenance and inspection: Regular inspection and maintenance of the steel components can help identify any signs of hydrogen embrittlement at an early stage. This allows for timely repairs or replacements to prevent catastrophic failures. It is important to note that the specific method or combination of methods employed to prevent hydrogen embrittlement may vary depending on the specific application, the type of steel, and the environmental conditions it will be exposed to. Therefore, it is crucial to consult with experts and adhere to industry standards and guidelines to ensure effective prevention of hydrogen embrittlement in special steel.
- Q:How does special steel contribute to the manufacturing of defense equipment?
- Special steel plays a crucial role in the manufacturing of defense equipment due to its exceptional properties. It provides enhanced strength, durability, and resistance to extreme conditions, making it ideal for critical components such as armor plates, missile casings, or aircraft parts. Special steel's ability to withstand high temperatures, impacts, and corrosion ensures the reliability and longevity of defense equipment, ultimately enhancing the safety and effectiveness of military operations.
- Q:What are the main characteristics of wear-resistant steel?
- Wear-resistant steel, also referred to as abrasion-resistant steel, possesses distinct qualities that make it highly resistant to wear and tear. Wear-resistant steel exhibits the following key characteristics: 1. High hardness: Typically, wear-resistant steel is hardened to a significant degree, providing excellent resistance against abrasion, impact, and sliding wear. This hardness is achieved through processes like quenching and tempering, resulting in a steel material capable of enduring heavy loads and abrasive environments. 2. Exceptional toughness: Besides its high hardness, wear-resistant steel also showcases exceptional toughness. This means it can absorb impact and withstand heavy shocks without fracturing or breaking. This characteristic is crucial for applications requiring both abrasion and impact resistance, such as mining equipment and earthmoving machinery. 3. Superior strength: Known for its high strength, wear-resistant steel can withstand extreme forces and pressures. This strength is achieved through the use of alloys and heat treatment processes, resulting in a steel material capable of enduring heavy loads and resisting deformation even under intense wear conditions. 4. Excellent weldability: Wear-resistant steel is often designed with good weldability, allowing for easy joining or repairing using various welding techniques. This characteristic is significant as it permits the fabrication of wear-resistant components and the cost-effective repair of worn-out parts. 5. Corrosion resistance: Some wear-resistant steel grades are formulated to exhibit corrosion resistance properties. This ensures the steel remains intact and does not deteriorate when exposed to harsh environments, chemicals, or moisture. This characteristic is particularly useful in applications where wear and corrosion occur simultaneously, such as marine equipment or mining operations. 6. Extended service life: Due to its high hardness, exceptional toughness, superior strength, and corrosion resistance, wear-resistant steel offers an extended service life compared to other steel types. Its ability to withstand wear, impact, and abrasion allows for reduced downtime and maintenance costs, making it highly sought-after in industries like mining, construction, and manufacturing. Overall, the primary attributes of wear-resistant steel make it a reliable and durable material for applications involving prolonged exposure to abrasive conditions. Its unique properties ensure it can withstand heavy loads, resist wear and tear, and maintain its integrity, ultimately leading to improved equipment performance and cost savings.
- Q:What are the requirements for special steel used in energy equipment manufacturing?
- The requirements for special steel used in energy equipment manufacturing include high strength, excellent corrosion resistance, and the ability to withstand high temperatures and pressures. It also needs to meet specific industry standards, such as those related to safety, reliability, and environmental sustainability. Additionally, the steel should possess good weldability and machinability to facilitate the manufacturing process.
- Q:Can special steel be used for jewelry?
- Yes, special steel can be used for jewelry. Special steel, such as stainless steel or titanium, is often used for making contemporary and modern jewelry pieces due to its durability, resistance to tarnish and corrosion, and affordability. It offers a unique and sleek aesthetic and can be crafted into various designs, making it a popular choice for jewelry makers and wearers alike.
- Q:What are the common challenges in welding titanium alloys?
- Welding titanium alloys poses several common challenges, mainly due to the unique properties of titanium. First, titanium has a high melting point, around 1668°C (3034°F), which requires specialized equipment and techniques to achieve optimal welding conditions. This high melting point also increases the risk of overheating and subsequent distortion or warping of the welded parts. Another challenge is the high reactivity of titanium with oxygen, nitrogen, and hydrogen. During the welding process, these gases can easily contaminate the weld pool, leading to the formation of brittle and porous welds. Therefore, stringent measures such as using inert shielding gases like argon or helium, maintaining a high level of cleanliness, and employing proper welding techniques like gas tungsten arc welding (GTAW) are necessary to minimize contamination and achieve sound welds. Titanium also has a strong affinity for carbon, which can result in the formation of brittle intermetallic compounds during welding. To prevent this, it is crucial to use low-carbon filler metals and ensure proper heat input to avoid carbon diffusion into the weld zone. Furthermore, titanium alloys have a low thermal conductivity, which means that heat generated during welding tends to concentrate in a small area, leading to localized overheating and potential damage. Therefore, controlling heat input and employing appropriate welding techniques to distribute heat evenly are crucial to avoid overheating and maintain the integrity of the welded joint. Lastly, titanium alloys exhibit a high thermal expansion coefficient, causing significant thermal expansion and contraction during the welding process. This can result in distortion and residual stresses in the welded parts. To mitigate these issues, preheating and post-weld heat treatment may be necessary to minimize distortion and relieve residual stresses. In summary, the common challenges in welding titanium alloys include high melting point, reactivity with gases, potential contamination, formation of intermetallic compounds, low thermal conductivity, and significant thermal expansion. By understanding these challenges and implementing appropriate welding techniques, it is possible to overcome these difficulties and achieve high-quality welds in titanium alloys.
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High Quality Hot rolled Special Bearing Steel Bar
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 500 m.t./month
OKorder Service Pledge
OKorder Financial Service
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