Bearing Round Bar for Special Use System 1

Bearing Round Bar for Special Use

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Product Description:

OKorder is offering Bearing Steelsat 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 Bearing Steels 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	AISI 52100, ASTM E52100, DIN 1.3505,JIS SUJ2, GCr15
Dimensions	Diameter: 30-60mm Length: 2000-13000mm or as required
Shape	Round Bar
Type	Alloy Steel Bar
Delivery Condition	Black Surface
Material	Bearing Steel
Technique	Hot Rolled

Processing of Bearing Steel Round Bar

The processing of Bearing Steel Round Bar is hot rolled (strictly control sulphur, phosphorus and non-metallic inclusions content and distribution)

Chemical Composition of Bearing Steel Round Bar

C	Si	Mn	Cr	Ni	Cu
			Equal or less than
0.95-1.05	0.15-0.35	0.25-0.45	Cr:1.40-1.65	0.30	0.25

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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: What are the requirements for special steel used in low-temperature applications?: To ensure optimal performance and reliability in low-temperature applications, special steel must fulfill specific criteria. These criteria primarily encompass three crucial factors: toughness, resistance to brittle fracture, and corrosion resistance. Toughness plays a paramount role in low-temperature applications as it determines a material's capacity to absorb energy and withstand cracking or fracturing. High toughness is essential in special steel designed for low-temperature environments, which is typically achieved through the addition of specific alloying elements like nickel and manganese. These elements enhance the steel's ability to endure impact loads and prevent catastrophic failures. Another vital requirement for steel used in low-temperature settings is resistance to brittle fracture. At low temperatures, steel becomes more prone to brittle fracture, which can occur suddenly without any significant deformation or warning signs. To mitigate this risk, special steel for low-temperature applications undergoes specific heat treatment processes to refine its microstructure and enhance its resistance to brittle fracture. Corrosion resistance also plays a crucial role in special steel intended for low-temperature applications. Low temperatures often lead to the formation of ice or condensation, which can introduce moisture and potentially corrosive substances to the steel's surface. Therefore, the steel must possess exceptional corrosion resistance properties to prevent degradation and maintain its structural integrity over time. This is typically achieved by incorporating corrosion-resistant elements such as chromium and molybdenum. In addition to these primary requirements, other factors like dimensional stability, weldability, and cost-effectiveness should also be taken into consideration when selecting special steel for low-temperature applications. The material should exhibit good dimensional stability to retain its shape and mechanical properties under varying temperature conditions. It should also be easily weldable to facilitate construction and maintenance processes. Furthermore, the chosen steel should strike a balance between performance and the overall project budget, ensuring cost-effectiveness. In conclusion, special steel used in low-temperature applications must possess high toughness, resistance to brittle fracture, and corrosion resistance. Meeting these requirements guarantees the steel's reliability and longevity in demanding low-temperature environments, enabling safe and efficient operations in various industries such as cryogenic storage, oil and gas exploration, and transportation.

Q: How does precipitation-hardening steel achieve high strength through heat treatment?: Precipitation-hardening steel achieves high strength through a process called heat treatment. This involves heating the steel at a specific temperature to dissolve the alloying elements evenly throughout the metal. The steel is then rapidly cooled, forming a supersaturated solid solution. Subsequent aging or precipitation heat treatment allows tiny particles to precipitate out, strengthening the steel. These fine particles hinder the movement of dislocations, enhancing the steel's strength while maintaining its toughness.

Q: What are the different mechanical properties of special steel?: Special steels have a variety of mechanical properties that make them unique and suitable for specific applications. Some of the key mechanical properties of special steel include high strength, excellent toughness, good wear resistance, and superior corrosion resistance. High strength is one of the most important properties of special steel. It allows the material to withstand heavy loads and stress without deformation or failure. This property makes special steel suitable for applications where structural integrity and durability are critical, such as in the construction of buildings, bridges, and machinery. Another significant mechanical property of special steel is its toughness. Toughness refers to the ability of a material to absorb energy and resist fracture under impact or sudden loads. Special steels with high toughness are essential for applications that involve dynamic and high-impact forces, such as in the manufacturing of tools, gears, and machinery components. Wear resistance is another important mechanical property of special steel. It refers to the ability of a material to resist damage and deterioration due to friction, abrasion, or erosion. Special steel with good wear resistance is commonly used in applications where it will be subjected to harsh conditions or repetitive mechanical actions, such as in the production of cutting tools, dies, and molds. Superior corrosion resistance is a valuable mechanical property of special steel, especially in environments where exposure to moisture, chemicals, or extreme temperatures is likely. Special steels with high corrosion resistance can withstand the deteriorating effects of oxidation, rust, and chemical reactions, making them suitable for applications in industries such as marine, chemical, and oil and gas. In summary, special steels possess a range of mechanical properties that set them apart from conventional steels. High strength, excellent toughness, good wear resistance, and superior corrosion resistance are some of the key mechanical properties that make special steel a preferred choice for various industrial applications.

Q: Can special steel be used in the pharmaceutical manufacturing equipment manufacturing industry?: Yes, special steel can be used in the pharmaceutical manufacturing equipment manufacturing industry. Special steel alloys such as stainless steel are commonly used due to their corrosion resistance, durability, and ability to withstand high temperatures and harsh chemicals. These qualities make special steel a suitable choice for various equipment used in pharmaceutical manufacturing, including tanks, reactors, mixers, and piping systems.

Q: How is special steel made?: Special steel is made through a complex and precise manufacturing process that involves several steps. The first step is the selection of high-quality raw materials, typically iron ore and scrap metal, which are then melted in a furnace at extremely high temperatures. This process removes impurities and creates molten steel. Once the molten steel is obtained, it is further refined to achieve the desired composition and properties. This is done by adding various alloying elements such as chromium, nickel, manganese, and vanadium. These elements help enhance the steel's strength, hardness, corrosion resistance, and other specific characteristics required for the intended application. Next, the molten steel is cast into different shapes or forms, such as bars, slabs, or billets, through a process called casting. During casting, the steel is poured into molds and allowed to cool and solidify. This solidified steel is then further processed through various techniques like rolling, forging, or extrusion to achieve the desired shape and dimensions. After shaping, the steel undergoes heat treatment, which involves controlled heating and cooling processes. Heat treatment helps refine the microstructure of the steel, improving its mechanical properties. This can include processes like quenching, tempering, annealing, or normalizing, depending on the specific requirements. Finally, the steel is subjected to rigorous testing and quality control measures to ensure that it meets the required specifications and standards. These tests can include mechanical, chemical, and physical analyses, as well as non-destructive testing techniques, to verify the integrity and performance of the special steel. Overall, the production of special steel is a highly technical and specialized process that involves careful selection of raw materials, precise alloying, casting, shaping, heat treatment, and rigorous quality control. The end result is a steel with exceptional properties that can be tailored to meet the specific needs of various industries, such as automotive, aerospace, construction, or manufacturing.

Q: What are the different corrosion-resistant grades of special steel?: There are several corrosion-resistant grades of special steel that are commonly used in various industries. These grades are specifically designed to resist corrosion and maintain their structural integrity in harsh environments. Some of the different corrosion-resistant grades of special steel are: 1. Stainless Steel: Stainless steel is one of the most popular corrosion-resistant grades and is widely used in various applications. It contains a minimum of 10.5% chromium, which forms a protective passive oxide layer on the surface, preventing corrosion. There are different types of stainless steel, such as austenitic, ferritic, and martensitic, each with varying levels of corrosion resistance. 2. Duplex Stainless Steel: Duplex stainless steel is a combination of austenitic and ferritic stainless steels, offering superior corrosion resistance compared to conventional stainless steel grades. It has a high chromium content, along with other alloying elements like molybdenum and nitrogen, which enhance its resistance to pitting, crevice corrosion, and stress corrosion cracking. 3. Super Duplex Stainless Steel: Super duplex stainless steel is an even higher corrosion-resistant grade than duplex stainless steel. It has a higher chromium and molybdenum content, providing excellent resistance to highly corrosive environments, such as seawater, chemicals, and acids. Super duplex stainless steel is commonly used in offshore oil and gas industries. 4. Nickel Alloys: Nickel alloys, such as Inconel and Hastelloy, are highly corrosion-resistant grades of special steel. These alloys have a high nickel content, along with other elements like chromium and molybdenum, which make them resistant to a wide range of corrosive environments, including high-temperature and acidic conditions. 5. Titanium Alloys: Titanium alloys are known for their exceptional corrosion resistance, especially in aggressive media, such as seawater and chemical processing environments. These alloys have a low density, high strength, and superior resistance to pitting, crevice corrosion, and stress corrosion cracking. 6. Aluminum Alloys: Certain aluminum alloys, such as 5052 and 6061, are also corrosion-resistant grades of special steel. These alloys have a protective oxide layer that forms on the surface, providing excellent resistance to atmospheric corrosion. Aluminum alloys are commonly used in marine and aerospace applications. These are just a few examples of the different corrosion-resistant grades of special steel. The selection of the appropriate grade depends on the specific corrosive environment, temperature, mechanical properties required, and other factors related to the intended application.

Q: What are the requirements for special steel used in transportation infrastructure?: Special steel used in transportation infrastructure must meet certain requirements to ensure its durability, strength, and resistance to various environmental factors. Some of the key requirements for special steel in transportation infrastructure include: 1. High Strength: Special steel used in transportation infrastructure must have high tensile strength to withstand heavy loads and stresses. It should be able to resist deformation and maintain its structural integrity under significant pressure. 2. Corrosion Resistance: Transportation infrastructure is often exposed to harsh weather conditions, including rain, humidity, and saltwater. Special steel must have excellent corrosion resistance to prevent rusting and deterioration over time. This is particularly important for bridges, tunnels, and railway tracks located near coastal areas. 3. Fatigue Resistance: Transportation infrastructure experiences repetitive and cyclic loading, which can lead to fatigue failure if the steel used is not resistant to this type of stress. Special steel should have good fatigue resistance properties to prevent cracking and failure due to repeated loading. 4. Weldability: Special steel used in transportation infrastructure should have good weldability to facilitate construction and repairs. It should be easily weldable without compromising its strength and performance. 5. Impact Resistance: Transportation infrastructure, such as guardrails and crash barriers, is subjected to impact loads from vehicles. Special steel should possess excellent impact resistance to absorb and distribute the energy from impacts, reducing the risk of catastrophic failure. 6. Fire Resistance: In the event of a fire, special steel used in transportation infrastructure should have a high melting point and retain its structural integrity for a reasonable amount of time. This is crucial for ensuring the safety of passengers and minimizing the damage caused by fire incidents. 7. Low Maintenance: For cost-effectiveness and long-term sustainability, special steel used in transportation infrastructure should require minimal maintenance. It should have a long service life and minimal need for repainting, repair, or replacement. Meeting these requirements ensures that the special steel used in transportation infrastructure can provide a safe, reliable, and durable foundation for roads, bridges, railway tracks, and other critical components of the transportation network.

Q: How is special steel used in the production of turbine shafts?: Special steel is used in the production of turbine shafts because it possesses high strength, durability, and resistance to extreme temperatures and stress. These properties are essential for turbine shafts to withstand the demanding conditions in power generation turbines where they are subject to high rotational speeds and heavy loads. The use of special steel ensures the reliability and efficiency of turbine shafts, contributing to the overall performance and safety of the turbine system.

Q: What are the main characteristics of creep-resistant steel forgings?: Creep-resistant steel forgings have several key characteristics. They possess excellent resistance to high temperatures and are capable of withstanding prolonged exposure to elevated temperatures without undergoing significant deformation. These forgings also exhibit superior strength, toughness, and resistance to corrosion and oxidation. Additionally, they have low thermal expansion and good dimensional stability, ensuring their structural integrity remains intact even under extreme conditions. Overall, creep-resistant steel forgings are specifically designed to maintain their mechanical properties and structural integrity under long-term, high-temperature applications.

Q: What properties make special steel unique?: Special steel, also known as alloy steel, possesses unique properties that set it apart from other types of steel. Firstly, special steel is distinguished by its exceptional strength and hardness. It is engineered to have a high resistance to deformation, making it suitable for applications that require robust materials. Whether in construction, automotive, or aerospace industries, special steel provides the necessary durability and reliability. Another remarkable property of special steel is its superior corrosion resistance. By incorporating certain alloying elements such as chromium, nickel, or molybdenum, this type of steel becomes highly resistant to rust and other forms of corrosion. As a result, special steel is often used in marine environments, chemical plants, and oil and gas industries where exposure to harsh conditions is prevalent. Furthermore, special steel demonstrates excellent heat resistance. It can withstand high temperatures without losing its strength or structure, making it suitable for applications in extreme heat environments, such as power generation or furnace components. This property allows special steel to be utilized in critical situations where other materials may fail or degrade. Special steel is also known for its versatility and adaptability. With various alloying elements and heat treatment processes, it can be tailored to meet specific requirements of different industries. This flexibility makes it possible to create specialized alloys with unique properties, such as improved machinability, wear resistance, or enhanced magnetic properties, catering to a wide range of applications. In conclusion, the properties that make special steel unique are its exceptional strength and hardness, superior corrosion resistance, excellent heat resistance, and its versatility in being tailored to specific requirements. These properties make special steel an invaluable material in numerous industries, enabling the development of innovative and reliable products.

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