• Hot Rolled High Quality Bearing Steel Bar System 1
  • Hot Rolled High Quality Bearing Steel Bar System 2
  • Hot Rolled High Quality Bearing Steel Bar System 3
Hot Rolled High Quality Bearing Steel Bar

Hot Rolled High Quality Bearing Steel Bar

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Loading Port:
China main port
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:

1. Dimensional sizes: Thickness: 14~100mm.Length:3000~5800mm,Diameter :14-500mm

2.Chemical composition:

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

 

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.


 

 

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.

Q4: What makes stainless steel stainless?

A4: Stainless steel must contain at least 10.5 % chromium. It is this element that reacts with the oxygen in the air to form a complex chrome-oxide surface layer that is invisible but strong enough to prevent further oxygen from "staining" (rusting) the surface. Higher levels of chromium and the addition of other alloying elements such as nickel and molybdenum enhance this surface layer and improve the corrosion resistance of the stainless material.

 


Q:What are the different forging techniques for special steel parts?
There are several different forging techniques that can be used to produce special steel parts, depending on the desired shape, size, and properties of the final product. Some of the commonly used forging techniques for special steel parts include: 1. Open-die forging: This technique involves shaping the metal between flat dies or anvils. It is typically used for simpler shapes and allows for flexibility in producing a wide range of sizes. 2. Closed-die forging: Also known as impression-die forging, this technique involves shaping the metal within a closed die, which contains the desired shape and allows for higher precision. Closed-die forging is commonly used for producing complex and intricate shapes. 3. Upset forging: In this technique, the metal is compressed and shaped by applying pressure to the ends of the workpiece. Upset forging is often used to create parts with increased diameter or reduced length, such as bolts and nails. 4. Ring rolling: This technique involves shaping a cylindrical workpiece by applying pressure from rotating rolls. It is commonly used for producing seamless rings with enhanced strength and durability, such as gears, bearings, and flanges. 5. Isothermal forging: This technique involves forging the metal at a constant temperature, usually within a specially designed furnace. Isothermal forging allows for precise control over the metallurgical properties of the final product, resulting in improved mechanical properties and reduced residual stress. 6. Precision forging: Also known as near-net-shape forging, precision forging uses specially designed dies to produce parts with minimal finishing operations. It is commonly used for complex shapes and high-volume production, ensuring cost-effectiveness and dimensional accuracy. 7. Press forging: In this technique, the metal is shaped by applying pressure through a mechanical or hydraulic press. Press forging allows for precise control over the forging process and is often used for producing high-strength, large-sized components. Each of these forging techniques offers unique advantages and is suitable for different applications. The selection of the appropriate forging technique for special steel parts depends on factors such as the desired shape, size, strength, and cost-effectiveness of the final product.
Q:How does special steel perform in cryogenic impact resistance?
Special steel is renowned for its exceptional ability to withstand impacts in cryogenic conditions. When exposed to extremely low temperatures, special steel remains structurally intact and highly resistant to fractures. This remarkable performance is attributed to the distinctive composition and manufacturing techniques employed in its production. Special steel contains specific alloying elements that enhance its properties at low temperatures. These alloys prevent the formation of brittle phases within the steel structure, which are prone to cracking upon impact. Furthermore, precise control of cooling rates during the manufacturing process further fortifies special steel's resistance to cryogenic impacts. The outstanding cryogenic impact resistance of special steel makes it an ideal choice for applications in low-temperature environments. It finds extensive use in the construction of liquefied natural gas (LNG) storage tanks, cryogenic pipelines, and aerospace components. In these applications, special steel ensures the safe and reliable operation of equipment, even under the most extreme conditions. Moreover, special steel's high strength and toughness at low temperatures enable it to withstand dynamic loads and absorb energy without failure. This characteristic is particularly crucial in scenarios where impact loads are present, such as offshore structures exposed to harsh marine environments or cryogenic storage facilities experiencing seismic events. In conclusion, special steel exhibits excellent performance in cryogenic impact resistance. Its unique composition and manufacturing process allow it to maintain its structural integrity, resist fractures, and absorb impact loads even under extremely low temperatures. Consequently, special steel is highly regarded and widely sought-after for a diverse range of applications in cryogenic environments.
Q:What are the different methods of surface powder coating for special steel?
Some different methods of surface powder coating for special steel include electrostatic spraying, fluidized bed coating, and flame spraying. Electrostatic spraying involves applying a charged powder to the steel surface, which is then cured in an oven. Fluidized bed coating involves dipping the steel into a bed of powder that is heated to a fluidized state, allowing the powder to adhere to the surface. Flame spraying uses a flame to melt and propel the powder onto the steel surface, creating a durable coating.
Q:How does special steel perform in renewable energy applications?
Special steel performs exceptionally well in renewable energy applications due to its unique properties and characteristics. It offers high strength, durability, and corrosion resistance, making it ideal for withstanding the harsh environmental conditions typically found in renewable energy projects. Special steel is commonly used in wind turbine components, solar panel frames, hydroelectric power plant infrastructure, and geothermal power systems. Its superior mechanical properties ensure efficient energy generation and long-term performance, contributing to the overall success and sustainability of renewable energy applications.
Q:What are the requirements for special steel used in railway applications?
The requirements for special steel used in railway applications are quite stringent due to the demanding nature of the industry. Here are some of the key requirements: 1. High strength and durability: Special steel used in railway applications must have excellent strength and durability to withstand the heavy loads and constant vibrations experienced by trains. This helps prevent deformation, fatigue, and failure of the steel components. 2. Wear resistance: Railway tracks and other components are subject to significant wear and tear due to the constant movement of trains. Special steel used in railway applications should have good wear resistance to ensure a longer service life and reduce maintenance costs. 3. Corrosion resistance: Railway tracks and structures are often exposed to various environmental conditions, such as rain, snow, and chemicals. Special steel used in railway applications should have high corrosion resistance to prevent rusting and degradation, ensuring the longevity of the components. 4. Fatigue resistance: Trains undergo repetitive loading cycles, leading to fatigue in the steel components. Special steel should have excellent fatigue resistance to prevent cracking and failure, thereby ensuring the safety and reliability of railway systems. 5. High impact toughness: Special steel used in railway applications must possess high impact toughness to absorb energy during sudden shocks or accidents. This helps prevent catastrophic failures and ensures the safety of passengers and railway personnel. 6. Heat resistance: In some railway applications, such as high-speed trains, steel components are exposed to high temperatures due to friction or other sources. Special steel should have good heat resistance to maintain its mechanical properties and structural integrity even under elevated temperatures. 7. Dimensional stability: Special steel used in railway applications should exhibit excellent dimensional stability to maintain the required tolerances and alignment of various components. This ensures smooth operation, reduces noise, and prevents excessive wear. These are some of the primary requirements for special steel used in railway applications. Meeting these requirements is crucial to ensure the safe, reliable, and efficient operation of railway systems.
Q:What is the role of special steel in the defense industry?
Special steel plays a critical role in the defense industry due to its unique properties and capabilities. One of the primary functions of special steel in defense is to provide strength and durability to various components and structures of military equipment, such as tanks, armored vehicles, naval vessels, and aircraft. These steels are designed to withstand extreme conditions, including high impact and ballistic resistance, making them essential for ensuring the safety and protection of military personnel. Another significant role of special steel in the defense industry is its contribution to the production of cutting-edge weaponry. Special steel alloys are used to manufacture firearms, missiles, and artillery systems, providing the necessary strength, hardness, and corrosion resistance required for such applications. These steels allow for the precise manufacturing of complex weapon systems, ultimately enhancing their performance, accuracy, and reliability. Moreover, special steel also plays a vital role in the defense industry by enabling the development of advanced communication and electronics technologies. Steel alloys with specific magnetic properties are utilized in the production of radar systems, satellite components, and other electronic devices critical for military surveillance, intelligence, and communication purposes. These steels enable the efficient transmission and reception of signals, enhancing the overall capabilities of defense systems. In summary, special steel is indispensable in the defense industry due to its strength, durability, and unique properties. It provides the necessary foundation for the construction of military equipment, enhances the performance of weapons, and enables the development of advanced communication and electronics technologies. By utilizing special steel, the defense industry can ensure the safety, effectiveness, and technological superiority of military operations.
Q:Can special steel be used in the medical field?
Yes, special steel can be used in the medical field. Special steel alloys, such as stainless steel, are widely used in medical and surgical instruments, implants, and equipment. Stainless steel is chosen for its excellent corrosion resistance, strength, and durability. It is often used for surgical instruments like scalpels, forceps, and needles, as well as for orthopedic implants like bone screws and plates. Additionally, special steel alloys are used in the construction of medical equipment like MRI machines and X-ray tables, where high strength and magnetic properties are required. Overall, special steel is an essential material in the medical field due to its unique properties and ability to meet the stringent requirements for hygiene, safety, and reliability.
Q:What is the cost difference between regular steel and special steel?
The cost difference between regular steel and special steel can vary significantly depending on various factors such as the specific type of special steel, its grade, production techniques, and market demand. In general, special steel tends to be more expensive than regular steel due to its enhanced properties, specific alloy compositions, and specialized production processes. However, it is important to note that the cost difference may fluctuate and it is best to consult with suppliers or conduct market research for accurate and up-to-date pricing information.
Q:How does special steel withstand high temperatures?
Special steel is able to withstand high temperatures due to its unique composition and manufacturing process. Firstly, special steel is made from alloys that contain elements such as chromium, nickel, and molybdenum, which provide increased resistance to heat. These elements form a protective oxide layer on the surface of the steel, preventing oxidation and corrosion at high temperatures. Furthermore, special steel goes through specific heat treatment processes, such as quenching and tempering, which enhance its strength and toughness. These processes involve heating the steel to high temperatures and then rapidly cooling it, followed by reheating and slow cooling. This controlled cooling and heating process modifies the steel's microstructure, making it more resistant to thermal stress and deformation. Additionally, special steel is often designed to have a high melting point, which allows it to maintain its structural integrity even in extreme temperatures. The specific combination of elements and their ratios in the alloy contribute to the steel's ability to resist softening or melting when exposed to high heat. Moreover, special steel may also incorporate specialized coatings or treatments that further enhance its thermal resistance. These coatings can provide an extra layer of protection against heat, oxidation, and corrosion, making the steel even more durable and long-lasting in high-temperature environments. In summary, special steel withstands high temperatures by virtue of its unique alloy composition, heat treatment processes, high melting point, and additional protective coatings. These factors work together to enhance the steel's ability to resist thermal stress, deformation, oxidation, and corrosion, making it a reliable and durable material for applications in extreme heat conditions.
Q:How does special steel perform in high-temperature oxidation resistance?
Special steel is specifically designed to have excellent high-temperature oxidation resistance. This type of steel contains alloying elements such as chromium, aluminum, and silicon, which form a protective oxide layer on the surface when exposed to high temperatures. This oxide layer acts as a barrier, preventing further oxidation and corrosion of the steel. The high-temperature oxidation resistance of special steel is crucial in applications where the material is exposed to extreme heat and oxidation, such as in gas turbines, heat exchangers, and furnaces. The protective oxide layer helps to maintain the integrity and strength of the steel, even under harsh conditions. Furthermore, special steel also exhibits excellent creep resistance at high temperatures. Creep refers to the gradual deformation of a material under a constant load and elevated temperatures. The unique composition of special steel provides it with the ability to resist creep deformation, enhancing its overall performance and reliability in high-temperature environments. In conclusion, special steel performs exceptionally well in high-temperature oxidation resistance due to its alloying elements and the formation of a protective oxide layer. Its ability to resist oxidation and maintain its structural integrity at elevated temperatures makes it a preferred choice for various industrial applications.

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