ALLOY HOT ROLLED ROUND BAR JIS/GB/DIN STANDAR
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- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 20000 m.t./month
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Product Description:
Specifications of Bearing Steel Round Bar
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 |
Usage and Applications of Bearing Steel Round Bar
Bearing steels are used for ball and roller bearing applications and are comprised of low carbon steels and high carbon through harden able steel.
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)
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 |
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 of quality.
- Q: What is the difference between a bright and a precision ground steel round bar?
- A bright steel round bar refers to a steel bar that has undergone a process called bright drawing, which involves passing the bar through a die to improve its surface finish and dimensional accuracy. On the other hand, a precision ground steel round bar is a bar that has been further processed by grinding to achieve extremely tight dimensional tolerances and a smooth surface finish. Therefore, the main difference lies in the level of surface finish and dimensional accuracy achieved through different manufacturing processes.
- Q: What are the common sizes of steel round bars?
- The specific application and industry standards determine the varying common sizes of steel round bars. Depending on these factors, the sizes can range from 1/4 inch to 24 inches in diameter. The availability of these sizes is often in increments of 1/8 inch or 1/4 inch. It is worth noting that the sizes may differ based on the country or region. Moreover, metric sizes are also an option, with diameters generally ranging from 6mm to 600mm. The extensive selection of steel round bar sizes enables a wide range of applications across different industries.
- Q: Can steel round bars be used for making drill bits?
- No, steel round bars cannot be used for making drill bits. Drill bits require specific materials and manufacturing processes to ensure their durability and effectiveness. Drill bits are typically made from high-speed steel (HSS), cobalt steel, or carbide. These materials are chosen for their hardness, heat resistance, and ability to withstand the high forces and temperatures generated during drilling. Steel round bars, on the other hand, are not specifically designed or manufactured to meet the requirements of drill bits. Using steel round bars for making drill bits would result in inferior performance, increased wear, and potential breakage during drilling operations. It is important to use drill bits that are specifically designed and manufactured for the purpose to ensure efficient and safe drilling operations.
- Q: Can steel round bars be used for making turbine blades?
- Using steel round bars to make turbine blades is not possible. Turbine blades experience high temperatures and extreme forces, so they need to be durable and flexible. Steel round bars do not have the required properties to endure these conditions. Usually, turbine blades are constructed from materials like titanium alloys or advanced composites, which have a high strength-to-weight ratio, exceptional fatigue resistance, and thermal stability. These materials are purposely designed to withstand the challenging conditions of turbine operations, ensuring efficiency and reliability.
- Q: What are the different types of steel round bars used in the defense industry?
- In the defense industry, various steel round bars are commonly employed due to their strength, durability, and ability to withstand harsh conditions. Some of the frequently utilized types are as follows: 1. High-strength low-alloy (HSLA) steel round bars: These bars possess a high strength-to-weight ratio, making them ideal for applications where weight reduction is crucial. They find extensive use in the construction of armored vehicles, tanks, and other military equipment. 2. Stainless steel round bars: Stainless steel exhibits remarkable resistance to corrosion and rust, making it an excellent choice for defense applications exposed to moisture or harsh environments. Its wide usage includes the manufacturing of military aircraft, naval vessels, and firearms. 3. Carbon steel round bars: Carbon steel is a versatile and cost-effective material extensively used in the defense industry. It offers excellent strength and hardness, making it suitable for various applications, such as missile components, gun barrels, and armor plates. 4. Alloy steel round bars: Alloy steel is a blend of different metals, typically including chromium, molybdenum, and nickel, which enhances its mechanical properties. It finds common application in the production of military-grade vehicles, artillery systems, and munitions. 5. Tool steel round bars: Tool steel is specifically designed to possess exceptional hardness, wear resistance, and toughness. It is often employed in the manufacturing of cutting tools, drills, and other equipment utilized in the defense industry. Each type of steel round bar possesses unique properties and advantages, enabling it to meet specific requirements within the defense sector. The selection of the appropriate steel round bar depends on the specific application and the desired performance characteristics needed to meet the demands of the defense industry.
- Q: Are steel round bars suitable for use in the construction of bridges?
- Yes, steel round bars are suitable for use in the construction of bridges. Steel round bars offer high tensile strength, durability, and flexibility, making them ideal for withstanding heavy loads and structural demands. They also provide excellent resistance to corrosion, ensuring longevity and structural integrity. Additionally, steel round bars can be easily fabricated and installed, making them a cost-effective choice for bridge construction projects.
- Q: What are the different grades of steel used in round bars?
- Round bars are made from various grades of steel, each possessing its own distinct properties and applications. Some commonly utilized grades are as follows: 1. Grade 1018 - Mild Steel: This steel has low carbon content, enabling easy machinability and weldability. It finds extensive use in general engineering fields, such as construction, automotive, and machinery. 2. Grade 1045 - Carbon Steel: Known for its medium carbon composition, this steel exhibits high tensile strength and excellent wear resistance. It is commonly employed in applications involving shafts, axles, gears, and other high-stress components. 3. Grades 4140 and 4340 - Alloy Steel: Alloy steels incorporate additional elements like chromium, molybdenum, or nickel to enhance their mechanical properties. These grades offer exceptional strength, toughness, and wear resistance. They are frequently employed in applications that demand high durability and strength, such as automotive parts, aircraft components, and industrial machinery. 4. Grades 304 and 316 - Stainless Steel: Stainless steel is a corrosion-resistant alloy containing a minimum of 10.5% chromium. It finds wide usage in industries such as food processing, chemicals, and medicine due to its remarkable resistance to corrosion, heat, and its appealing aesthetic. 5. Grades A2 and D2 - Tool Steel: Tool steels are designed specifically to possess high hardness, wear resistance, and toughness. They are commonly employed in the manufacture of cutting tools, dies, and molds. These examples represent just a fraction of the diverse range of steel grades used in round bars. The selection of the appropriate grade depends on specific requirements for the application, including strength, corrosion resistance, heat resistance, and machinability.
- Q: What are the different packaging options for steel round bars?
- The different packaging options for steel round bars usually include bundles, wooden crates, or steel frames.
- Q: Can steel round bars be used in the construction industry?
- Steel round bars have become a common choice in the construction industry due to their versatility and wide usage in various structural applications. These bars possess high strength and durability, making them suitable for providing structural stability and supporting heavy loads in buildings, bridges, and other construction projects. In concrete structures, such as columns, beams, and slabs, steel round bars can be utilized as reinforcement to enhance their strength and resistance against bending or cracking. Moreover, the construction industry often relies on steel round bars for the fabrication of steel frameworks, scaffolding, and other support systems. The availability of these bars in different sizes and grades allows for flexibility in meeting specific construction requirements. In summary, steel round bars are an essential component in the construction industry, thanks to their strength, versatility, and ability to withstand demanding conditions.
- Q: What are the advantages of using case-hardening steel round bars?
- Case-hardening steel round bars offer several benefits for various applications. To begin with, these round bars possess a toughened outer layer, known as the "case," while maintaining a softer and more malleable core. This unique combination allows for exceptional surface wear resistance, making them highly suitable for situations where the material encounters abrasive or erosive forces. Furthermore, the hardened outer layer enhances the overall strength and durability of the round bars, thereby extending their lifespan. Another advantage of case-hardening steel round bars lies in their remarkable ability to withstand heavy impact loads. The hardened outer layer acts as a protective barrier, effectively absorbing and dispersing the energy from impacts, thus preventing any deformation or breakage. This makes them particularly well-suited for applications involving substantial loads or impacts, such as in the fields of machinery or construction equipment. Moreover, case-hardening steel round bars provide enhanced resistance against fatigue. The hardened surface layer aids in distributing stresses evenly, reducing the likelihood of cracks or fractures developing during cyclic loading conditions. Consequently, they prove to be an excellent choice for applications that demand long-term durability and the ability to withstand repeated stress, such as in automotive components or gears. Additionally, these round bars demonstrate excellent machinability. The soft and malleable core allows for easy cutting, drilling, and shaping, while the hardened surface ensures the necessary wear resistance. This aspect makes them both cost-effective and efficient to work with, enabling them to be effortlessly molded into various shapes and sizes to meet specific design requirements. In conclusion, the utilization of case-hardening steel round bars offers a plethora of advantages, including outstanding wear resistance, high impact load resistance, improved fatigue resistance, and excellent machinability. These characteristics render them a versatile and dependable choice for a wide array of applications across industries such as automotive, construction, and manufacturing.
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ALLOY HOT ROLLED ROUND BAR JIS/GB/DIN STANDAR
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 20000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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