Normal Steel Round Bars For Middle Sizes
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 5000 m.t./month
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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
These 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 marten site.
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
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
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 density of a steel round bar?
- The density of a steel round bar depends on the specific type of steel being used, as there are various steel alloys with different densities. However, on average, the density of a steel round bar is usually around 7,800 kilograms per cubic meter (kg/m³).
- Q: What is the elasticity of a steel round bar?
- The elasticity of a steel round bar refers to its ability to return to its original shape after being subjected to external forces or deformation. Steel is known for its high elasticity, meaning it can withstand significant stress and strain without permanent deformation. This property makes steel round bars suitable for various applications, including construction, manufacturing, and engineering.
- Q: Can steel round bars be used in the production of medical equipment?
- Yes, steel round bars can be used in the production of medical equipment. Steel is a common material used in the manufacturing of medical devices and equipment due to its strength, durability, and versatility. Steel round bars can be used to create various components of medical equipment such as surgical instruments, orthopedic implants, diagnostic tools, and hospital furniture. The properties of steel, such as its resistance to corrosion and ability to be sterilized, make it a suitable choice for use in the medical industry where hygiene and patient safety are of utmost importance. Additionally, steel round bars can be easily machined and fabricated into different shapes and sizes, allowing for the customization of medical equipment to meet specific requirements.
- Q: What is the typical price range for steel round bars?
- The cost of steel round bars can differ based on several factors, including size, quality, and source of purchase. Generally, smaller diameter bars can be priced between $10 and $30 per bar, while larger ones can range from $30 to $100 or higher. The steel's quality, including its grade and any additional treatments or finishes, can influence the price. Moreover, the price range can be affected by the location or supplier from which the bars are bought. To obtain the best possible deal, it is advisable to compare prices from multiple sources and consider factors like shipping costs.
- Q: What is the difference between a seamless and a precision ground steel round bar?
- A solid cylindrical steel billet is heated and pierced to create a hollow tube-like structure, resulting in a seamless steel round bar. This manufacturing method guarantees a uniform outer diameter throughout the entire length of the bar, making it ideal for applications that necessitate a smooth surface finish and high dimensional accuracy. Industries such as oil and gas, automotive, and aerospace commonly employ seamless round bars. On the contrary, a precision ground steel round bar is produced by subjecting a hot-rolled or cold-drawn steel bar to precise grinding processes. These processes eliminate any surface imperfections, achieve meticulous dimensional tolerances, and provide a polished and smooth finish. Precision ground round bars are typically utilized in applications that require strict tolerances, superior surface finish, and consistent dimensions, such as in the production of machinery parts, tools, and components. In conclusion, the primary distinction between a seamless and a precision ground steel round bar lies in the manufacturing process and the resulting characteristics. Seamless round bars are formed from a hollow tube-like structure, ensuring a consistent outer diameter, whereas precision ground round bars are created by grinding a solid steel bar to achieve tight tolerances and exceptional surface finish. Both types of round bars offer their own advantages and find application in various industries based on specific requirements.
- Q: What are the different surface conditions for steel round bars?
- Steel round bars can have a variety of surface conditions, including hot rolled, cold drawn, peeled, polished, and turned. Each surface condition has its own unique properties and appearance, catering to different applications and requirements.
- Q: What are the different types of tests performed on steel round bars for quality control?
- There are several types of tests performed on steel round bars for quality control purposes. These tests help to ensure that the steel bars meet the required standards and specifications. Some of the common tests conducted on steel round bars include: 1. Tensile Test: This test evaluates the tensile strength, yield strength, and elongation properties of the steel bars. It involves applying a pulling force to the bar until it breaks, measuring the maximum force the bar can withstand, and determining the bar's ability to stretch without fracturing. 2. Hardness Test: The hardness test measures the resistance of the steel bar to indentation or scratching. It provides an indication of the bar's strength and durability. Common hardness tests include Rockwell, Brinell, and Vickers tests. 3. Chemical Composition Analysis: This test determines the chemical composition of the steel round bars, including the percentage of various elements such as carbon, manganese, sulfur, phosphorus, and others. It ensures that the bars meet the specified chemical composition requirements. 4. Ultrasonic Testing: Ultrasonic testing uses high-frequency sound waves to detect any internal defects or discontinuities within the steel bars. This non-destructive test helps identify cracks, voids, or other defects that may affect the bar's structural integrity. 5. Dimensional Inspection: This test ensures that the steel round bars meet the required dimensional tolerances, including diameter, length, and straightness. It involves using precision measuring instruments such as calipers, micrometers, and gauges to verify the bar's dimensions. 6. Surface Quality Examination: This test inspects the surface condition of the steel bars for any defects, such as cracks, pits, scratches, or other surface irregularities. It is crucial to ensure that the bars have a smooth and defect-free surface for proper functionality and safety. 7. Microstructure Analysis: Microstructure analysis involves examining the steel bar's internal structure under a microscope. It helps determine the grain size, inclusion content, and overall microstructural integrity of the bars. This analysis provides insights into the bars' mechanical properties and their ability to withstand various loads and stresses. By performing these tests, manufacturers can ensure that the steel round bars meet the required quality standards and are suitable for their intended applications.
- Q: Can steel round bars be used in the production of electrical equipment?
- Steel round bars are capable of being utilized in the production of electrical equipment. Steel possesses a multitude of properties that render it suitable for various applications, including electrical equipment. Components such as shafts, connectors, and structural supports within electrical equipment can be manufactured using steel round bars. The reliability of steel is derived from its strength and durability, enabling it to withstand the mechanical stresses and environmental conditions that electrical equipment may encounter. Moreover, steel offers favorable electrical conductivity and magnetic properties, crucial characteristics for specific electrical components. Nevertheless, it is important to acknowledge that steel round bars may necessitate additional processes like machining, heat treatment, or surface finishing in order to meet specific requirements for the production of electrical equipment.
- Q: What are the advantages of using nickel-tin alloy steel round bars?
- Nickel-tin alloy steel round bars offer numerous benefits. Firstly, their corrosion resistance is excellent, making them perfect for use in harsh environments and with corrosive substances. The addition of nickel and tin enhances their durability and longevity, enabling them to withstand prolonged exposure to moisture, chemicals, and other corrosive elements. Secondly, these round bars provide superior strength and toughness. The combination of nickel and tin in their alloy composition improves their mechanical properties, making them highly resistant to deformation, bending, and breaking. As a result, they are suitable for demanding applications in industries such as construction, aerospace, and automotive. Additionally, nickel-tin alloy steel round bars exhibit exceptional heat resistance. They can endure high temperatures without significant loss of strength or deformation. This makes them ideal for applications involving exposure to elevated temperatures, such as in furnaces, boilers, and heat exchangers. Moreover, nickel-tin alloy steel is renowned for its excellent electrical conductivity. This property makes the round bars suitable for applications requiring efficient electrical transmission, such as in electrical wiring, power generation, and electrical equipment manufacturing. Lastly, machining and fabricating nickel-tin alloy steel round bars is relatively easy. They can be shaped, cut, and welded with ease, allowing for versatility in various manufacturing processes. This ease of machining and fabrication ensures efficient production and reduces overall manufacturing costs. In conclusion, the advantages of using nickel-tin alloy steel round bars include outstanding corrosion resistance, superior strength and toughness, high heat resistance, excellent electrical conductivity, and ease of machining and fabrication. These properties make nickel-tin alloy steel round bars the preferred choice for a wide range of applications in diverse industries.
- Q: How do steel round bars compare to brass or copper bars?
- Steel round bars typically have higher tensile strength and are more resistant to corrosion compared to brass or copper bars. Additionally, steel is generally a more cost-effective option. However, brass and copper bars offer better electrical conductivity and are often preferred in applications that require good thermal conductivity or an aesthetically pleasing appearance. The choice between steel, brass, or copper bars depends on the specific requirements of the application.
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Normal Steel Round Bars For Middle Sizes
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 5000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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