Spring And Bearing Steel Of Round Bar Shape

Spring And Bearing Steel Of Round Bar Shape

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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:Can steel round bars be used for making springs?: Yes, steel round bars can be used for making springs. Steel is a commonly used material for springs due to its strength, durability, and flexibility. Round bars can be machined and shaped into the desired form for different types of springs, making them suitable for various applications.

Q:Can steel round bars be used in the production of sporting goods?: Yes, steel round bars can be used in the production of sporting goods. Steel is a versatile material known for its strength and durability, making it suitable for various applications in the sporting goods industry. Steel round bars can be used to create components such as shafts, handles, frames, and supports in sporting equipment like golf clubs, hockey sticks, weightlifting bars, and exercise equipment. The high tensile strength of steel ensures that these components can withstand the forces and pressures exerted during sports activities, providing stability and longevity to the products. Moreover, steel round bars can be easily machined, welded, and molded into different shapes and sizes according to the specific requirements of each sporting good. Steel's corrosion resistance properties also make it ideal for outdoor sporting equipment that is exposed to various weather conditions. Overall, steel round bars are a popular choice in the production of sporting goods due to their strength, durability, versatility, and ability to withstand the demands of different sports.

Q:Can steel round bars be used for making wheel hubs?: Indeed, wheel hubs can be crafted using steel round bars. The preference for steel round bars in the fabrication of wheel hubs is attributed to their robustness and longevity. The cylindrical form of these bars facilitates effortless machining and shaping to meet the desired wheel hub design. Steel is renowned for its remarkable tensile strength and ability to withstand deterioration, making it an optimal substance for wheel hubs that must endure substantial loads and incessant wheel rotation. Moreover, steel is easily accessible and comparatively economical in contrast to alternative materials, rendering it a favored selection in the automotive sector for wheel hub manufacturing.

Q:What are the advantages of using aluminum-magnesium alloy steel round bars?: There are several advantages of using aluminum-magnesium alloy steel round bars. Firstly, these bars have a high strength-to-weight ratio, making them lightweight yet sturdy, ideal for applications where weight reduction is crucial. Secondly, the alloy's corrosion resistance properties make it suitable for various environments, including marine and industrial settings. Additionally, aluminum-magnesium alloy steel round bars offer excellent thermal conductivity, allowing for efficient heat dissipation. Lastly, these bars can be easily machined, welded, and formed, providing flexibility during fabrication and reducing manufacturing costs.

Q:Are steel round bars suitable for use in the aerospace industry?: Yes, steel round bars are suitable for use in the aerospace industry. Steel offers high strength and durability, making it ideal for components and structures that require reliability and performance in demanding aerospace applications. Additionally, steel round bars can be customized to meet specific requirements, such as resistance to corrosion, high temperatures, and fatigue.

Q:How do steel round bars compare to brass round bars?: Steel round bars and brass round bars have several key differences that make them suitable for different applications. Firstly, steel round bars are much stronger and more durable compared to brass round bars. Steel has a higher tensile strength, making it ideal for applications that require high strength and resistance to heavy loads. It is commonly used in construction, manufacturing, and automotive industries where strength and durability are crucial. On the other hand, brass round bars are known for their excellent corrosion resistance and electrical conductivity. Brass is an alloy of copper and zinc, which gives it a unique combination of properties. It is often used in applications that require good electrical conductivity, such as electrical connectors, plumbing fittings, and musical instruments. Brass also has an attractive golden appearance, making it a popular choice for decorative purposes. In terms of cost, steel round bars are generally more affordable compared to brass round bars. Steel is widely available and produced in large quantities, resulting in a lower cost per unit. Brass, being an alloy of copper, which is a relatively expensive metal, is generally more expensive. Another important factor to consider is machinability. Steel round bars are generally easier to machine and work with compared to brass round bars. Steel has good cutting and drilling properties, making it easier to fabricate into various shapes and sizes. Brass, on the other hand, tends to have a higher machinability rating, meaning it is easier to cut and shape compared to other metals. In summary, steel round bars are stronger, more durable, and generally more affordable than brass round bars. They are suitable for applications that require high strength and resistance to heavy loads. Brass round bars, on the other hand, offer excellent corrosion resistance, electrical conductivity, and an attractive appearance. They are commonly used in applications that require good electrical conductivity and for decorative purposes. The choice between steel and brass round bars ultimately depends on the specific requirements of the application.

Q:How do steel round bars perform in low-temperature environments?: Steel round bars generally perform well in low-temperature environments. The mechanical properties of steel, such as strength and toughness, are typically maintained at low temperatures. However, it is important to consider the specific grade of steel being used, as some grades may exhibit reduced impact resistance or brittleness at extremely low temperatures. One common concern is the potential for brittle fracture in steel round bars at low temperatures. This can occur when the steel transitions from a ductile to a brittle state. However, most standard steel grades used in construction and industry are designed to resist brittle fracture even in low-temperature environments. Certain special alloy steels, such as low-temperature carbon steels, are specifically formulated to provide superior performance in extremely cold conditions. These steels contain additional elements, such as nickel or manganese, which enhance their low-temperature properties. They are often used in applications that require excellent toughness and impact resistance, such as offshore structures or cryogenic storage tanks. In summary, steel round bars generally perform well in low-temperature environments, and their mechanical properties are typically maintained. However, it is important to select the appropriate steel grade for the specific low-temperature application to ensure optimal performance and prevent potential issues such as brittle fracture.

Q:What is the difference between a centerless ground and a cold finished steel round bar?: A centerless ground steel round bar and a cold finished steel round bar are both types of steel bars that have undergone different manufacturing processes, resulting in distinct characteristics and properties. A centerless ground steel round bar is produced by feeding a hot rolled or cold drawn steel bar through a grinding machine. This process removes any surface imperfections or irregularities, resulting in a smooth and uniform surface finish. The centerless grinding process also ensures tight dimensional tolerances, making the bar suitable for applications that require precise measurements. Additionally, centerless ground bars have improved straightness and roundness, which enhances their overall quality and suitability for various machining operations. On the other hand, a cold finished steel round bar is produced by cold drawing or cold rolling a hot rolled steel bar. This process involves reducing the diameter of the bar while maintaining its length, resulting in a more precise and consistent size. Cold finishing also improves the surface finish of the bar, making it smoother and more uniform. Cold finished bars have tighter dimensional tolerances and improved mechanical properties, including higher strength and hardness compared to hot rolled bars. In summary, the main difference between a centerless ground and a cold finished steel round bar lies in the manufacturing processes used and their resulting characteristics. Centerless ground bars have a smooth surface finish, tight dimensional tolerances, improved straightness, and roundness, making them suitable for precise machining applications. Cold finished bars, on the other hand, have a more precise size, improved surface finish, tighter dimensional tolerances, and enhanced mechanical properties, making them suitable for various applications requiring higher strength and hardness.

Q:What is the difference between a hot rolled and a cold drawn steel round bar?: Hot rolled and cold drawn steel round bars differ primarily in their production methods and resulting characteristics. Hot rolled bars are created by heating a billet or ingot to high temperatures and shaping it through rolling, resulting in a rough, scaled surface with rounded edges. This process allows for quick and efficient production of larger sizes and quantities, however, the steel is less precise in terms of dimensions and has a lower surface finish quality compared to cold drawn steel. In contrast, cold drawn steel round bars are produced by pulling a hot rolled bar through a die at room temperature, resulting in a smooth, polished surface with tighter dimensional tolerances. This process enhances the mechanical properties of the steel, such as improved strength, hardness, and dimensional accuracy. Cold drawing also provides a better surface finish and closer dimensional control compared to hot rolling. Hot rolled steel round bars are often used in construction, manufacturing, and general fabrication due to their lower cost and ease of production. They are suitable for applications where precision and surface finish are not critical factors. On the other hand, cold drawn steel round bars are commonly used in demanding applications that require superior dimensional accuracy, surface finish, and mechanical properties. They are frequently utilized in automotive, aerospace, and machinery industries, where precision and quality are essential. In conclusion, the main disparities between hot rolled and cold drawn steel round bars lie in their production process, resulting surface finish, dimensional accuracy, and mechanical properties. The choice between the two depends on the specific requirements and applications of the steel.

Q:Can steel round bars be used in the production of telecommunications equipment?: Yes, steel round bars can be used in the production of telecommunications equipment. Steel is a versatile material that offers strength and durability, making it suitable for various applications, including telecommunications equipment. Steel round bars can be used to create structural components, connectors, brackets, and supports, among other parts required in the production of telecommunications equipment.

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