JIN SUJ2 Bearing Steel of CNBM High Quality
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 3 m.t.
- Supply Capability:
- 100000 m.t./month
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Item specifice
Type:
Bearing Steel
Shape:
Steel Round Bar
Product Description:
ISO9001 certified
Flexible MOQ
Prompt delivery stock within 7days
MTC DIN10204
Specifications of Bearing Steel Round Bar
Grade | AISI 52100, ASTM E52100, DIN 1.3505,JIS SUJ2, GCr15 |
| Length: 2000-13000mm or as required |
Shape | Round Bar |
Type | Alloy Steel Bar |
Delivery Condition | Black Surface |
Material | Bearing Steel |
Technique | Hot Rolled |
Usage and Applications of Bearing Steel Round Bar
SAE 52100 Price is used in gauges and measuring tools, mandrels, cold rolls and flanging rolls, wood and paper processing tools, slitting blades, ball bearings and shear knives.
First the famous 1C-1.5Cr steel from which the majority of bearings are made. Its structure is apparently well-understood and the focus is on purity in order to avoid inclusions which initiate fatigue during rolling contact. Then there is the M50 steel and its variants, from which bearings which serve at slightly higher temperatures in aeroengines are manufactured, based on secondary-hardened martensite.
Tapered roller bearing are generally used to support combined load mainly consisting of radial load. Their cups are separable for easy assembling ,During mounting and using, radial clearance and axial clearance can be adjusted and preloaded mounting can be made.
Packaging & Delivery of Bearing Steel Round Bar
Packaging Detail: ASTM 52100 Steel in seaworthy packing or on customer request; Packed in bundles with standard export sea-worthy package or as customer require
Delivery Detail: 45 days after confirmed
Trade terms: FOB, CFR, CIF ou as customer's required
MOQ: 25 tons or at customer's demands. If the quantity is good, the price will be better.
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)
All products' chemical composition and specification can be design according to customers' requirement.
Note of Bearing Steel Round Bar
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. Please send us your detailed specifications when inquire. We will reply to you ASAP.
5. Certificate of quality is issued in English, in addition the normal terms, production process, the mechanical property (yield strength, tensile strength, elongation and hardness. forged ratio, UT test result, Grain size, heat treatment methods and the sample of is shown on the certificate
- Q:What are the different construction grades of special steel?
- There are several different construction grades of special steel, including but not limited to ASTM A36, ASTM A572, ASTM A514, and ASTM A588. These grades vary in their mechanical properties and are specifically designed to meet different construction requirements, such as strength, durability, or corrosion resistance.
- Q:Can special steel be used in the pharmaceutical industry?
- Yes, special steel can be used in the pharmaceutical industry for various applications. Special steel alloys such as stainless steel are often used to manufacture equipment and components required for pharmaceutical manufacturing processes. These steel alloys offer excellent corrosion resistance, high strength, and hygienic properties, making them suitable for pharmaceutical applications where cleanliness, durability, and sterility are crucial. Additionally, special steel can be used to construct storage tanks, piping systems, and vessels that are resistant to chemical reactions and contamination, maintaining the integrity and purity of pharmaceutical products.
- Q:What are the main applications of special steel in the medical field?
- Special steel is widely used in the medical field for various applications. Some of the main applications include surgical instruments, implants, and medical devices. Surgical instruments such as forceps, scalpels, and scissors are often made from special steel due to its high strength, durability, and corrosion resistance. Implants, such as joint replacements and dental implants, are commonly made from special steel alloys that provide strength, biocompatibility, and resistance to wear and tear. Additionally, special steel is used in the production of medical devices like needles, catheters, and stents, where its properties contribute to their effectiveness and safety.
- Q:How does precipitation hardening enhance the strength of special steel?
- Precipitation hardening is a heat treatment process that enhances the strength of special steel by creating small, uniformly dispersed particles within the metal matrix. These particles act as obstacles to dislocation movement, making it more difficult for them to slide past each other and deform the material. This results in increased strength, hardness, and resistance to wear and fatigue, making the steel suitable for various demanding applications.
- Q:What are the common heat treatment methods used for special steel?
- Special steel can undergo various heat treatment methods to enhance its mechanical properties and performance. Some commonly used techniques include: 1. Annealing: By heating the steel to a specific temperature and gradually cooling it, internal stresses are relieved and a refined microstructure is formed. This process improves the steel's machinability and ductility. 2. Normalizing: The steel is heated above its critical point and then cooled in still air. This method refines the grain structure, enhances toughness, and improves strength. 3. Quenching: Rapid cooling is achieved by immersing the steel in a quenching medium like water, oil, or polymer. It increases hardness and strength by forming a hard martensitic structure. However, quenching may introduce internal stresses and decrease toughness, so tempering is often performed afterwards. 4. Tempering: Quenched steel is reheated to a specific temperature and gradually cooled. This relieves internal stresses, reduces hardness, and improves toughness and ductility. Tempering also enhances resistance to brittle fracture. 5. Austempering: Steel is quenched to a temperature slightly above its martensitic transformation range, followed by holding it at this temperature until austenite transforms into bainite. This unique microstructure offers a combination of high strength and good toughness. 6. Martempering: Similar to austempering, but the steel is quenched just below its martensitic transformation range and held at that temperature until transformation is complete. Martempering produces a microstructure with improved strength and toughness compared to conventional quenching. These heat treatment methods are widely used to tailor special steel properties according to specific applications and requirements. The choice of method depends on factors such as desired mechanical properties, steel composition, and the intended use of the final product.
- Q:How does special steel contribute to the magnetic properties of products?
- The unique composition and structure of special steel contribute to the magnetic properties of products. This type of steel, also known as alloy steel, contains specific elements like nickel, chromium, manganese, and molybdenum, which alter its magnetic behavior. Depending on the desired application, these elements can either enhance or suppress the magnetism of the steel. For example, the addition of nickel increases the magnetic permeability of steel, making it more responsive to magnetic fields. This characteristic is extremely beneficial in applications such as transformers, where efficient magnetic flux conduction is necessary. Similarly, the inclusion of other magnetic elements like cobalt or iron can also improve the magnetic properties of special steel. On the other hand, certain elements can reduce or eliminate the magnetic qualities of steel. Chromium, for instance, is famous for its non-magnetic properties. When chromium is added to steel, it decreases its magnetic permeability, making it suitable for applications that require non-magnetic features, like medical equipment or electronics. Moreover, the magnetic properties of special steel are influenced by its structure. Heat treatment processes can manipulate the crystalline structure of the steel, thereby affecting its magnetization. For instance, annealing the steel can increase the size of the crystal grains, resulting in reduced magnetization. Conversely, cold working or quenching the steel can create a finer grain structure, enhancing its magnetic properties. In summary, by incorporating specific elements and manipulating its structure, special steel contributes to the magnetic properties of products. Depending on the application requirements, these elements can either enhance or suppress magnetism. The ability to tailor the magnetic properties of special steel makes it highly valuable in industries such as telecommunications, energy, and electronics.
- Q:What are the requirements for special steel used in aircraft manufacturing?
- The requirements for special steel used in aircraft manufacturing are quite stringent due to the critical nature of the components and the demanding operating conditions in which they are subjected. Here are some key requirements: 1. High strength: Special steel used in aircraft manufacturing must possess exceptional strength to withstand the extreme forces and loads experienced during flight. This ensures the structural integrity and safety of the aircraft. 2. Lightweight: While strength is crucial, special steel for aircraft must also be lightweight to minimize the overall weight of the aircraft. This helps enhance fuel efficiency and allows for increased payload capacity. 3. Corrosion resistance: The steel must exhibit excellent resistance to corrosion, as aircraft are often exposed to harsh environments, including high humidity, saltwater, and various chemicals. Corrosion resistance helps maintain the structural integrity and prolong the lifespan of the aircraft. 4. Fatigue resistance: Special steel must have high fatigue resistance to withstand repetitive loading and unloading cycles that occur during flight. This ensures that the components do not fail prematurely due to cyclic stress. 5. Heat resistance: The steel should be able to withstand high temperatures generated by the engines, as well as the heat generated during high-speed flight. Heat resistance prevents deformation, melting, or loss of strength under extreme thermal conditions. 6. Weldability: Special steel used in aircraft manufacturing should possess good weldability, allowing for efficient and reliable joining of components during the manufacturing process. This ensures strong and secure connections between various parts of the aircraft. 7. Non-magnetic properties: In certain applications, such as electronic systems, it is essential for the steel to be non-magnetic to prevent interference with sensitive equipment. 8. Traceability and certification: The steel must have proper traceability and certification to meet industry standards and regulatory requirements. This includes documentation of the steel's composition, manufacturing process, and testing procedures to ensure consistent quality and performance. Meeting these requirements is essential to ensure the safety, reliability, and efficiency of aircraft. Special steel used in aircraft manufacturing undergoes rigorous testing, quality control, and certification processes to ensure it meets these stringent requirements before being used in the construction of aircraft components.
- Q:What are the different methods for improving the toughness of special steel?
- There are several methods that can be employed to enhance the toughness of special steel. One of the most effective techniques is through the process of alloying. By adding certain elements such as nickel, chromium, or molybdenum to the steel composition, the toughness can be significantly improved. These alloying elements help to increase the strength and resistance to cracking and fracture. Another method is through heat treatment processes. For instance, quenching and tempering can be employed to improve the toughness of the steel. Quenching involves rapidly cooling the steel from a high temperature to room temperature, which results in a hardened structure. Tempering then follows, where the steel is reheated to a specific temperature and then slowly cooled. This process helps to relieve internal stresses and increase the toughness of the steel. Furthermore, refining the microstructure of the steel can also enhance its toughness. Processes like grain refinement, which involves reducing the size of the grains in the steel, can lead to improved toughness. This is because smaller grains help to inhibit the propagation of cracks, making the steel more resistant to fracture. Lastly, special steel can undergo processes like shot peening or surface hardening to improve its toughness. Shot peening involves bombarding the surface of the steel with small metallic or ceramic particles, which induces compressive stresses and improves resistance to crack initiation. Surface hardening techniques such as carburizing or nitriding can create a hardened layer on the surface of the steel, increasing its toughness and wear resistance. In conclusion, the different methods for improving the toughness of special steel include alloying, heat treatment processes, microstructure refinement, and surface treatments. Each of these techniques can be tailored to the specific requirements of the steel to achieve the desired level of toughness.
- Q:What are the emerging trends in the special steel industry?
- Some of the emerging trends in the special steel industry include the growing demand for advanced high-strength steels (AHSS) in automotive applications due to their lightweight and high performance properties. Additionally, there is an increasing focus on sustainability and eco-friendly manufacturing processes, leading to the development of cleaner production methods and the use of recycled materials. Furthermore, advancements in technology and innovation are driving the adoption of specialty steels in sectors such as aerospace, energy, and construction.
- Q:What is the role of special steel in the construction industry?
- Special steel plays a crucial role in the construction industry as it provides strength, durability, and resistance to various environmental factors. It is commonly used in the construction of high-rise buildings, bridges, and infrastructure projects. Special steel's unique properties, such as high tensile strength, corrosion resistance, and heat resistance, make it suitable for critical applications where standard steel may not suffice. It ensures the structural integrity and safety of construction projects, making it an essential material in the industry.
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JIN SUJ2 Bearing Steel of CNBM High Quality
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 3 m.t.
- Supply Capability:
- 100000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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