High Quality Hot rolled Bearing Special 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
Usage & Applications of Bearing Steel
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.
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.
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 main factors that affect the machinability of special steel?
- The main factors that affect the machinability of special steel include the steel's chemical composition, microstructure, hardness, and the presence of impurities or non-metallic inclusions. Additionally, factors such as cutting tool material, cutting speed, feed rate, and coolant usage also influence machinability.
- Q:What are the specific requirements for special steel used in the railway wheel industry?
- The specific requirements for special steel used in the railway wheel industry include high strength and toughness, excellent wear resistance, good heat resistance, and the ability to withstand heavy loads and impact. The steel must also have low levels of impurities to ensure its durability and longevity in the demanding railway environment. Additionally, it should possess good fatigue resistance to withstand repeated stress cycles and meet specific dimensional and mechanical property standards set by the industry.
- Q:How does special steel perform in heat treatment applications?
- When it comes to heat treatment applications, special steel is specifically engineered to excel. Unlike regular steel, special steel is enriched with specific elements that enhance its heat resistance and improve its mechanical properties. Through processes like annealing, quenching, tempering, or hardening, special steel undergoes structural changes that result in increased strength, hardness, toughness, and wear resistance. The exceptional performance of special steel in heat treatment applications can be attributed to its unique alloying elements, including chromium, molybdenum, nickel, and vanadium. These elements create various carbides, nitrides, or intermetallic compounds during heat treatment, contributing to the overall enhancement of the steel's properties. For example, chromium forms chromium carbides, which boost hardness and corrosion resistance, while molybdenum and vanadium enhance hardenability and wear resistance. Furthermore, special steel exhibits remarkable dimensional stability during heat treatment. It possesses a low tendency to warp or distort, ensuring that the final product retains its desired shape and dimensions. This dimensional stability is especially crucial for applications that require precise tolerances or intricate designs. Moreover, special steel offers consistent and dependable heat treatment results. Its composition and microstructure are meticulously controlled, guaranteeing a predictable response to heat treatment processes. This enables manufacturers to consistently achieve the desired mechanical properties, minimizing the risk of inconsistencies or failures in the end product. In conclusion, special steel excels in heat treatment applications. Its exceptional alloying elements, dimensional stability, and reliable heat treatment response make it an ideal choice for applications that necessitate improved strength, hardness, toughness, and wear resistance. Whether it is for automotive components, tooling, or industrial machinery, special steel delivers dependable and enhanced performance after undergoing heat treatment processes.
- Q:How does special steel contribute to the thermal conductivity of products?
- Special steel can significantly contribute to the thermal conductivity of products due to its unique composition and properties. Special steel is manufactured with specific alloying elements, such as chromium, nickel, molybdenum, or vanadium, which enhance its thermal conductivity. These alloys help in the efficient transfer of heat by increasing the free electron density within the steel. The presence of alloying elements in special steel improves its lattice structure, allowing for better heat transfer. The increased free electron density enables quick and efficient movement of thermal energy through the material. As a result, special steel can effectively conduct heat from one area to another, making it ideal for applications requiring high thermal conductivity. Furthermore, special steel is often processed using advanced techniques like heat treatment, forging, or rolling, which further optimize its properties. These processes refine the microstructure of the steel, reducing impurities and improving its thermal conductivity. The resulting steel product exhibits enhanced heat transfer capabilities and provides efficient thermal management. The high thermal conductivity of special steel makes it highly desirable for various industries and applications. It is commonly used in the manufacturing of heat exchangers, boilers, furnaces, and other thermal equipment where efficient heat transfer is crucial. Additionally, special steel is often employed in electrical appliances, such as stovetops or induction cookers, where rapid and uniform heat distribution is necessary. In summary, special steel contributes to the thermal conductivity of products by utilizing specific alloying elements and advanced processing techniques to enhance its heat transfer capabilities. Its high thermal conductivity makes it a valuable material for various industries, ensuring efficient heat management and optimal performance of thermal equipment and appliances.
- Q:What are the main characteristics of heat-resistant steel?
- Heat-resistant steel, also known as high-temperature steel, is a type of alloy that possesses specific properties that enable it to withstand extreme temperatures without losing its mechanical strength and integrity. The main characteristics of heat-resistant steel include: 1. High resistance to thermal fatigue: Heat-resistant steel is designed to withstand cyclic heating and cooling without developing cracks or fractures. This property allows it to maintain its structural integrity even in environments with rapid temperature fluctuations. 2. Excellent creep resistance: Creep is the gradual deformation that occurs in a material when it is exposed to high temperatures over an extended period. Heat-resistant steel exhibits exceptional resistance to creep, ensuring that it retains its shape and strength even under prolonged heat exposure. 3. Retention of mechanical properties at elevated temperatures: Unlike regular steel, which can experience a significant reduction in strength and hardness at high temperatures, heat-resistant steel retains its mechanical properties even at extreme temperatures. This characteristic makes it suitable for applications in industries such as aerospace, power generation, and oil and gas. 4. Oxidation and corrosion resistance: Heat-resistant steel is highly resistant to oxidation and corrosion at elevated temperatures. It forms a protective oxide layer on its surface, preventing the underlying material from being attacked by oxygen or other corrosive elements. This property enhances the longevity and reliability of components made from heat-resistant steel. 5. High thermal conductivity: Heat-resistant steel possesses excellent thermal conductivity, allowing it to efficiently transfer heat away from its surface. This feature is particularly beneficial in applications where heat dissipation is critical, such as in heat exchangers and furnace components. 6. Low thermal expansion: Heat-resistant steel has a relatively low coefficient of thermal expansion, meaning it expands and contracts minimally when subjected to temperature changes. This characteristic ensures dimensional stability and reduces the risk of warping or distortion under thermal stress. Overall, the main characteristics of heat-resistant steel make it an ideal material for applications that involve exposure to high temperatures, such as furnace components, exhaust systems, gas turbines, and heat exchangers. Its ability to withstand extreme heat without compromising its structural integrity and mechanical properties make it a crucial material in industries where temperature resistance is paramount.
- Q:What are the properties of maraging steel?
- Maraging steel is a type of high-strength steel known for its exceptional strength, toughness, and resistance to fatigue. It possesses a unique combination of properties such as high yield strength, excellent fracture toughness, and superior hardness. This steel also exhibits remarkable corrosion resistance and can withstand extreme temperatures. Additionally, maraging steel is highly weldable and machinable, making it suitable for a wide range of applications in industries such as aerospace, defense, and tooling.
- Q:How is electrical resistance steel used in heating elements?
- Electrical resistance steel is commonly used in heating elements due to its high resistivity and ability to withstand high temperatures. When an electric current passes through the steel, its resistance generates heat, allowing the heating element to efficiently convert electrical energy into heat energy. This makes it suitable for applications such as electric stoves, water heaters, and industrial furnaces.
- Q:Can special steel be used in the manufacturing of household appliances?
- Certainly, household appliances can indeed be manufactured using special steel. Also known as alloy steel, special steel possesses a range of desirable attributes such as exceptional strength, durability, and resistance to both corrosion and wear. These characteristics render it suitable for a wide array of applications, including the production of household appliances. When it comes to household appliances like refrigerators, ovens, dishwashers, and washing machines, it is essential to utilize materials that can endure constant utilization, high temperatures, as well as exposure to water and chemicals. Special steel fulfills these requirements and provides a dependable and long-lasting solution. To exemplify, stainless steel represents a common type of special steel employed in household appliances due to its resistance to corrosion and hygienic properties. It finds application in various appliance components such as refrigerator doors, oven interiors, and dishwasher interiors. Stainless steel is easily cleaned, maintains its appearance over time, and does not react with food or other substances, making it an ideal selection for household appliances. Moreover, special steel alloys can be employed to enhance specific properties required in different appliances. For instance, heat-resistant alloys can be utilized in ovens or stovetops, while high-strength steel alloys can be employed in appliances necessitating structural integrity, such as washing machines or dryers. In conclusion, special steel can certainly find use in the manufacturing of household appliances. Its diverse properties, encompassing strength, durability, corrosion resistance, and versatility, make it a superb material choice for ensuring the performance, longevity, and safety of household appliances.
- Q:What are the requirements for special steel used in marine applications?
- Special steel used in marine applications must meet several specific requirements to ensure its durability and performance in harsh marine environments. These requirements include: 1. Corrosion resistance: Marine environments expose steel to saltwater, which can cause corrosion. Therefore, special steel used in marine applications must have high resistance to corrosion to prevent degradation and maintain its structural integrity over time. 2. Strength and toughness: Steel used in marine applications must have sufficient strength and toughness to withstand the dynamic forces and impacts experienced at sea. It should be able to withstand heavy loads, extreme temperatures, and impact from waves or collisions. 3. Weldability: Special steel for marine applications should have good weldability to facilitate the construction and repair of marine structures. Weldability ensures that the steel can be easily joined without compromising its structural integrity. 4. Fatigue resistance: Marine structures and vessels are subjected to cyclic loading, which can lead to fatigue failure if the steel is not designed to resist it. Special steel used in marine applications should have excellent fatigue resistance to withstand the constant cyclic loading associated with wave motions, currents, and operational conditions. 5. Low-temperature toughness: Marine applications often involve operations in cold climates or icy waters. Special steel used in marine applications should maintain its toughness and ductility even at low temperatures to prevent brittle fracture and ensure safety. 6. Fire resistance: Fire safety is crucial in marine applications. Therefore, special steel used in marine structures should have high fire resistance to prevent structural collapse and minimize the spread of fire. 7. Easy maintenance: Marine structures are subject to constant exposure to harsh environmental conditions. Therefore, special steel used in marine applications should be easy to maintain and repair, ensuring long-term performance and reducing downtime. To meet these requirements, special steel for marine applications is often alloyed with specific elements such as chromium, nickel, and molybdenum to enhance corrosion resistance, strength, and toughness. Additionally, advanced manufacturing processes and quality control measures are employed to ensure the highest standards of quality and performance in marine applications.
- Q:What are the different defense grades of special steel?
- Special steel is a category of steel that is specifically designed to possess enhanced properties, such as increased strength, durability, and resistance to various environmental factors. When it comes to defense applications, special steel is often utilized to manufacture armor and protective components for military vehicles, aircraft, and naval vessels. These defense grades of special steel are classified based on their specific characteristics and performance levels. One of the most common defense grades of special steel is known as ballistic steel. Ballistic steel is engineered to provide exceptional resistance against ballistic threats, including bullets and shrapnel. It possesses high tensile strength and hardness, which allows it to withstand the impact and penetration of projectiles. Ballistic steel is categorized into several grades, such as MIL-A-46100, MIL-A-12560, and AR500, each offering different levels of protection against various types of ammunition. Another defense grade of special steel is known as blast-resistant steel. This type of steel is designed to withstand explosions and minimize the damage caused by shockwaves, fragmentation, and heat. It is commonly used in the construction of blast-resistant walls, doors, and windows for military bases, embassies, and critical infrastructure facilities. Blast-resistant steel grades are classified based on their ability to withstand different levels of explosive forces, with higher grades providing greater protection. Additionally, there are specialized grades of special steel used for anti-vehicle applications. These grades, such as Armox and Ramor, are engineered to resist the impact of heavy-caliber projectiles and explosive devices, making them suitable for manufacturing armored vehicles and personnel carriers. They provide a combination of high hardness, toughness, and energy absorption properties, ensuring the safety of military personnel on the battlefield. Overall, the defense grades of special steel are diverse and tailored to meet the specific requirements of different defense applications. They provide essential protection and ensure the safety of military personnel and equipment in challenging and hostile environments. The choice of the appropriate grade depends on the nature of the threat, the level of protection needed, and the specific design and performance criteria of the defense application.
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High Quality Hot rolled Bearing Special 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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