• Round Bar Bearing Carbon Steel High Quality System 1
  • Round Bar Bearing Carbon Steel High Quality System 2
  • Round Bar Bearing Carbon Steel High Quality System 3
Round Bar Bearing Carbon Steel High Quality

Round Bar Bearing Carbon Steel High Quality

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Product Description:

OKorder is offering Bearing steel 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:

Bearing steel is used for manufacturing ball, roller bearing steel and rings. Bearing in work is under great pressure and friction, so have high demands bearing steel and hardness and resistance, and high elastic limit.

Bearing steels are used for ball and roller bearing applications and are comprised of low carbon steels and high carbon through harden able steel.

For example, bearing ring, steel rolling mill, machinery, 100Cr6 bearing steel ball is widely used in high-speed and low-noise bearing, bicycle, motorcycle, automobile, bags electronically.

 

Product Advantages:

OKorder's Bearing steel 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:

Grade

bearing steel EN-31

Dimensions

Diameter: 20-280mm

Length: 2000-5800mm

Shape

Round Bar

Type

High chromium bearing steel

HBS

<220

Standard

AISI

Technique

Hot Rolled

Note of Bearing Steel

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 electros lag 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. The materials that we purchase are all accord with International General Standard; you could check it out on the Material Quality Sheet.

5. We are the creator of the “seven-step inspect method” in China.

6. The technical workers we employed are the ones with many years’ working experience, who know the technology procedures very well.

7. We will strictly inspect our production that we sold according to the customer’s request.

8. Our steel reaches international quality standards. Besides, our company is equipped with large-sized vertical saw machines, horizontal saw machines, milling machines, grinding machines and other advanced equipment. All our products are carried out hardness tests, such as the ultrasonic flaw detection before shipment. Therefore, there is no quality problem. With more competitive price than other suppliers, our steel has good sales in the markets of North America, South America, East Europe, Southeast Asia, Africa, Oceania, the Middle East, East Asia and West Europe.


 

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.

 

 

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Q:How does special steel perform in automotive applications?
Due to its outstanding performance characteristics, special steel is frequently utilized in automotive applications. It boasts superior strength, durability, and resistance to wear and corrosion, making it an ideal option for a wide range of automotive components. In terms of strength, special steel surpasses regular steel with its higher tensile strength, enabling it to withstand heavy loads and impacts. This strength is crucial in automotive applications where components must endure extreme forces while maintaining their structural integrity. Additionally, special steel displays excellent fatigue resistance, ensuring longevity and reliability even in demanding conditions. Furthermore, special steel's exceptional durability allows it to withstand harsh environments, including extreme temperatures, chemicals, and moisture. This durability assists automotive components in maintaining their functionality and performance over an extended period. Another significant advantage of special steel in automotive applications lies in its resistance to wear and corrosion. Automotive components are constantly exposed to friction, abrasion, and corrosive substances. Special steel's high wear resistance allows these components to endure prolonged use without experiencing significant degradation. Moreover, its corrosion resistance protects against rust and other forms of deterioration, preventing premature component failure. Additionally, special steel can be easily shaped and formed into intricate designs, empowering automotive manufacturers to create complex components with precise specifications. The versatility and formability of special steel make it an excellent choice for various automotive applications, including engine parts, suspension systems, chassis components, and exhaust systems. Overall, special steel's exceptional strength, durability, resistance to wear and corrosion, and versatility contribute to its status as a highly sought-after material for automotive applications. Its performance characteristics enhance safety, reliability, and efficiency in vehicles, establishing special steel as an integral part of the automotive industry.
Q:What are the challenges in welding special steel alloys?
Welding special steel alloys presents various obstacles due to their distinct properties and composition. Key challenges encountered when welding special steel alloys include the following: 1. Elevated melting point: Special steel alloys typically possess higher melting points compared to regular steel, necessitating increased heat input during the welding process. This can create difficulties in achieving proper fusion and may require specialized welding equipment and techniques. 2. Disparity in thermal expansion: Special steel alloys may exhibit different coefficients of thermal expansion in comparison to the base metal or other materials being joined. This can result in the development of stress and distortion during welding, impacting the structural integrity of the welded joints. 3. Heat sensitivity: Certain special steel alloys are more susceptible to heat-affected zone (HAZ) cracking and other forms of weld defects. The heightened heat input during welding can induce the formation of brittle phases or precipitates, leading to reduced mechanical properties and potential weld failures. 4. Metallurgical alterations: Welding special steel alloys can bring about significant metallurgical changes in the base metal and the heat-affected zone. These changes encompass the formation of new microstructures, variations in hardness, and modifications in chemical composition. Such alterations can affect the overall performance and properties of the welded joints. 5. Pre-weld and post-weld treatments: Specific pre-weld and post-weld treatments are often required for special steel alloys to minimize the risk of weld defects and optimize the properties of the welded joints. These treatments may encompass preheating, post-weld heat treatment, or the utilization of specialized filler metals to ensure adequate weld integrity. 6. Limited consumable availability: Special steel alloys may have a limited selection of suitable consumables, such as filler metals and shielding gases, which are vital for achieving high-quality welds. The absence of appropriate consumables can make it challenging to find compatible materials that offer sufficient strength and corrosion resistance in the welded joints. To overcome these challenges effectively, it is essential to possess a comprehensive understanding of the specific properties and requirements of the special steel alloy being welded. The utilization of proper welding techniques, including heat control, filler material selection, and post-weld treatments, is crucial to ensure welds of superior quality with optimal mechanical properties and structural integrity. Moreover, collaborating with material suppliers, welding experts, and adhering to industry standards and guidelines can facilitate the effective resolution of challenges associated with welding special steel alloys.
Q:How is special steel used in the production of aircraft landing gear?
Due to its outstanding mechanical properties and durability, special steel is extensively utilized in the manufacturing of aircraft landing gear. The landing gear, a critical component responsible for supporting the weight of an aircraft during takeoff, landing, and ground operations, must endure tremendous forces, impact loads, and harsh environmental conditions. Special steel, including high-strength low-alloy (HSLA) steel or alloy steel, is carefully chosen for its remarkable strength-to-weight ratio, high resistance to fatigue, and excellent ability to resist corrosion. These characteristics are essential in ensuring that the landing gear can withstand the extreme forces and stresses encountered during aircraft operations. The utilization of special steel in the production of landing gear offers multiple advantages. Firstly, it enables the landing gear to be lighter in weight, contributing to an overall reduction in the aircraft's weight. This results in improved fuel efficiency and increased capacity for carrying cargo, which are crucial factors in enhancing the performance of modern aircraft and reducing operating costs. Secondly, the high fatigue resistance of special steel ensures that the landing gear can endure repeated loading cycles without experiencing significant degradation in performance. This is of utmost importance since the landing gear is subjected to substantial stress during each landing and takeoff. It must be capable of withstanding these forces over a long operational lifespan. Furthermore, the excellent corrosion resistance properties of special steel guarantee that the landing gear remains protected from environmental elements such as moisture, salt, and other corrosive substances. Corrosion can weaken the structure of the landing gear, compromising its integrity and safety. Therefore, the use of special steel helps to ensure the longevity and reliability of the landing gear, reducing the need for maintenance and associated costs. To summarize, special steel plays a vital role in the manufacturing of aircraft landing gear due to its exceptional strength, fatigue resistance, and corrosion resistance. Its incorporation allows for the production of lighter and more durable landing gear, resulting in improved aircraft performance, enhanced efficiency, and increased safety.
Q:How is special steel used in the railway supply chain?
Special steel is used in the railway supply chain for various critical components such as rails, wheels, and axles, due to its superior strength, durability, and resistance to wear and fatigue. This high-quality steel ensures safe and reliable train operations, reducing maintenance needs and increasing the lifespan of railway infrastructure.
Q:What are the different methods of improving the impact toughness of special steel?
There are several methods for improving the impact toughness of special steel. One common method is through heat treatment processes such as quenching and tempering, which involve heating the steel to a high temperature and then rapidly cooling it. This helps to refine the grain structure of the steel, making it more resistant to cracking and improving its toughness. Another method is alloying, where specific elements are added to the steel to enhance its toughness, such as nickel, chromium, or manganese. Additionally, controlling the cooling rate during the manufacturing process, known as controlled cooling, can also improve the impact toughness of special steel by minimizing the formation of brittle phases. Overall, a combination of heat treatment, alloying, and controlled cooling can be employed to enhance the impact toughness of special steel.
Q:How does special steel contribute to the marine industry?
Special steel plays a crucial role in the marine industry by offering exceptional strength, durability, and corrosion resistance, making it ideal for various marine applications. It is extensively used in the construction of ships, submarines, offshore platforms, and other marine structures, ensuring their structural integrity and safety. Additionally, special steel is used in manufacturing propellers and other critical components, enhancing efficiency and performance. Overall, special steel contributes significantly to the marine industry by providing reliable and high-quality materials that withstand harsh marine environments and support the growth and advancement of the sector.
Q:What are the properties of weathering steel?
Weathering steel, also known as Corten steel, possesses several key properties. Firstly, it has a high resistance to corrosion, making it suitable for outdoor applications. Secondly, it forms a protective layer of rust on its surface, which not only adds to its aesthetic appeal but also acts as a barrier against further corrosion. Additionally, weathering steel is durable and strong, making it suitable for various structural applications. Lastly, it has the ability to withstand extreme weather conditions, including high temperatures and heavy rainfall, without deteriorating.
Q:What are the main characteristics of corrosion-resistant steel?
Stainless steel, also referred to as corrosion-resistant steel, possesses distinct qualities that render it highly resistant to corrosion. Below are the primary attributes of this type of steel: 1. Exceptional resistance to corrosion: An essential feature of corrosion-resistant steel is its capacity to withstand corrosion. This is achieved through the addition of specific alloying elements, namely chromium, nickel, and molybdenum, which generate a protective layer on the steel's surface. This layer, known as the passive layer, prevents the steel from coming into contact with corrosive substances, including moisture, chemicals, and acids. 2. Superb durability: Corrosion-resistant steel boasts remarkable durability, making it suitable for diverse applications in harsh environments. It can endure extreme temperatures, high humidity levels, and corrosive chemicals without deteriorating or compromising its structural integrity. This durability ensures that structures constructed from corrosion-resistant steel enjoy an extended service life, thereby reducing the need for frequent maintenance and replacements. 3. Aesthetically pleasing: In addition to its functionality, corrosion-resistant steel offers aesthetic appeal. Its smooth and polished surface bestows it with a visually pleasing appearance, rendering it a popular choice for architectural applications, interior design, and decorative elements. The ability to maintain its appearance over time, without rusting or discoloration, enhances its desirability in both industrial and residential settings. 4. High strength: Renowned for its strength and toughness, corrosion-resistant steel retains its mechanical properties even in corrosive environments. Consequently, it can withstand heavy loads, impacts, and other external forces, making it suitable for applications where structural integrity and safety are paramount. Examples include bridges, buildings, marine equipment, and automotive components. 5. Versatility: Corrosion-resistant steel exhibits versatility in terms of its applications. It can be easily fabricated, welded, machined, and formed into various shapes and sizes, thereby allowing for customization and adaptability. This versatility renders it ideal for a wide array of industries, encompassing construction, aerospace, automotive, chemical processing, and marine. 6. Hygienic properties: Another crucial characteristic of corrosion-resistant steel lies in its hygienic properties. Its non-porous surface impedes the growth of bacteria, making it suitable for applications in the food and beverage industry, healthcare facilities, and pharmaceutical manufacturing. Furthermore, its ease of cleaning and maintenance further bolsters its hygiene standards. In summary, corrosion-resistant steel seamlessly combines exceptional resistance to corrosion with durability, strength, versatility, and aesthetic appeal. These characteristics render it a dependable and cost-effective material for various industries, ensuring long-term performance and protection against the detrimental effects of corrosion.
Q:What are the properties of high-strength tool steel?
High-strength tool steel typically possesses excellent hardness, toughness, wear resistance, and ability to retain its shape even under high temperatures and pressures. It is known for its durability, ability to withstand heavy loads, and resistance to deformation, making it ideal for demanding applications in tooling and machining.
Q:What are the specific requirements for special steel used in the marine propeller industry?
To ensure optimal performance and durability in harsh marine environments, the marine propeller industry requires special steel that meets specific requirements. These requirements include the following: 1. Corrosion Resistance: Special steel must resist corrosion caused by constant exposure to saltwater. This prevents rust formation and maintains the propeller's integrity over time. 2. Strength and Toughness: The steel must possess high strength and toughness to withstand mechanical stresses and impacts, especially in rough sea conditions, without deforming or failing. 3. Fatigue Resistance: The steel should have excellent fatigue resistance to endure millions of load cycles without developing cracks or fractures. 4. Weldability: The steel must be easily weldable to ensure strong and reliable joints when manufacturing segmented propellers. 5. Heat Resistance: The steel needs to withstand significant heat generated by friction and propulsion forces to prevent deformation or loss of mechanical properties at high temperatures. 6. Machinability: Special steel should be easily machinable to allow for precise shaping and finishing of complex propeller blade designs. 7. Non-Magnetic Properties: To minimize interference with magnetic navigation systems and sensors used in modern ships, the steel should have low magnetic permeability. By meeting these specific requirements, the special steel used in the marine propeller industry can withstand seawater's challenging conditions, provide efficient propulsion, and maintain its structural integrity throughout the propeller's lifespan.

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