Normal Steel Round Bars For Middle Sizes
- 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
You Might Also Like
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 kind of nuts do you need for round 20 rounds?
- The nut is connected to mechanical equipment parts, through the inside of the thread, the same specifications of nuts and bolts to connect together, such as M4-P0.7 and M4-P0.7 only bolt nut series connection (nut, M4 nut diameter is about 4mm, 0.7 fingers between the two thread distance of 0.7mm); US made products as well, such as screw nut only with the 1/4-20 1/4-20's collocation (1/4 refers to the nut inner diameter is about 0.25 inches, 20 inches each, 20 teeth).Self locking nut, lock nut, locking nut, four claw nut, the nut is screwed into the nut, screw rod nut insurance connecting nut cap nut six self-locking angle of anchor bolt with nut, six special angle crown thin nut eyenut.
- Q: Can steel round bars be used in the manufacturing of flanges?
- Yes, steel round bars can be used in the manufacturing of flanges. Flanges are typically used to connect pipes, valves, and other equipment in various industrial applications. While flanges can be made from different materials such as carbon steel, stainless steel, or alloy steel, steel round bars are commonly used due to their strength and durability. The round bars can be machined or forged into the desired flange shape and then further processed to meet specific requirements such as size, thickness, and flange face type. Steel round bars provide excellent mechanical properties and can withstand high pressures, making them suitable for use in flange manufacturing.
- Q: What are the advantages of using bearing steel round bars?
- There are several advantages of using bearing steel round bars: 1. High strength and durability: Bearing steel round bars are known for their exceptional strength and durability. They are specifically designed to withstand heavy loads and high impact forces, making them ideal for applications that require a reliable and robust material. 2. Excellent wear resistance: Bearing steel round bars have excellent wear resistance properties, which means they can endure constant friction and abrasion without experiencing excessive wear and tear. This makes them suitable for applications where the material needs to withstand repetitive rotational motion or sliding. 3. Superior hardness: Bearing steel round bars are typically heat-treated to achieve optimal hardness levels. This hardness allows them to maintain their shape and structural integrity even under extreme conditions, such as high temperatures or heavy loads. 4. Dimensional stability: Bearing steel round bars exhibit excellent dimensional stability, meaning they maintain their shape and size even under varying temperature and environmental conditions. This quality is crucial in applications where precise dimensions are required to ensure proper functioning and performance. 5. Corrosion resistance: Bearing steel round bars are often alloyed with elements like chromium and molybdenum, which enhance their corrosion resistance. This makes them suitable for use in corrosive environments, such as marine or chemical industries. 6. Machinability: Bearing steel round bars are relatively easy to machine and process, which allows for efficient production and customization. This makes them a cost-effective choice for various applications, as they can be easily shaped, cut, or drilled according to specific requirements. Overall, the advantages of using bearing steel round bars include their high strength, excellent wear resistance, superior hardness, dimensional stability, corrosion resistance, and machinability. These qualities make them a preferred choice in industries such as automotive, aerospace, machinery, and construction, where reliability, durability, and performance are crucial.
- Q: What are the common alloying elements used in steel round bars?
- The common alloying elements used in steel round bars are carbon, manganese, silicon, sulfur, and phosphorus. Carbon is the most important alloying element and is responsible for the strength and hardness of the steel. It enhances the overall performance and makes the steel more durable and resistant to wear and tear. Manganese is another crucial element that improves the hardenability and strength of the steel. It also helps in reducing the brittleness and increasing the toughness of the material. Silicon is added to enhance the steel's resistance to oxidation, while sulfur and phosphorus are added in small amounts to improve machinability. These alloying elements work together to create steel round bars with specific properties suitable for various applications in industries such as construction, automotive, and manufacturing.
- Q: What is the difference between a cold-drawn and a centerless ground steel round bar?
- A cold-drawn steel round bar is produced by pulling the steel through a die at room temperature, resulting in increased hardness and improved surface finish. On the other hand, a centerless ground steel round bar is produced by grinding the outer diameter of the steel bar to achieve tight dimensional tolerances and a smooth surface finish. In summary, the main difference lies in the manufacturing process and the resulting properties and finish of the steel round bar.
- Q: Are steel round bars suitable for the production of axles?
- Yes, steel round bars are suitable for the production of axles. Steel is a strong and durable material that provides excellent strength and stability, making it an ideal choice for axles. The round shape of the bars allows for easy machining and shaping, ensuring a precise and functional axle design. Additionally, steel round bars offer good resistance to wear, fatigue, and impact, which are essential properties for axles that need to withstand heavy loads and harsh conditions. Overall, steel round bars are a reliable and widely used material for the production of axles in various industries such as automotive, manufacturing, and construction.
- Q: What is the maximum carbon content allowed for steel round bars?
- The carbon content allowed for steel round bars can vary depending on the specific grade or specification of steel used. However, most standard steel round bars typically have a carbon content ranging from approximately 0.25% to 0.30%. This carbon content level helps maintain a balance between strength and ductility, ensuring that the steel is sufficiently strong for load-bearing applications while also being easily formable or machinable. It is crucial to note that certain specialized steels or specific applications may have distinct maximum carbon content requirements. Therefore, it is always necessary to refer to the relevant specifications or standards for precise and accurate information.
- Q: What is the maximum hardness achievable for steel round bars?
- The maximum hardness attainable for steel round bars relies on various factors, including the steel's composition, the heat treatment process, and the desired properties for the specific application. Typically, steel can reach a maximum hardness of approximately 65 HRC or higher. This level of hardness is commonly achieved through procedures like quenching and tempering. Quenching entails rapidly cooling the steel from a high temperature to room temperature, resulting in a hardened structure. Subsequently, tempering is carried out to decrease brittleness and enhance the steel's toughness while maintaining a high level of hardness. It is crucial to acknowledge that pushing the hardness of steel beyond a certain point may result in reduced toughness and increased brittleness. Hence, the maximum attainable hardness must be balanced with the desired properties for the particular application, such as strength, ductility, and resistance to wear or impact.
- Q: Can steel round bars be used in the production of tools?
- Yes, steel round bars can definitely be used in the production of tools. Steel is widely used in tool manufacturing due to its excellent strength, durability, and versatility. Steel round bars, in particular, are commonly utilized for their ability to be machined, forged, and heat-treated into various tool components such as cutting edges, shafts, handles, and dies. The high tensile strength and resistance to wear and corrosion make steel round bars an ideal choice for tool production, ensuring the longevity and performance of the tools. Additionally, steel can be easily customized and shaped to meet the specific requirements of different tools, making it a preferred material in the industry.
- Q: What are the different surface treatments available for alloy steel round bars?
- There are several different surface treatments available for alloy steel round bars. Some of the most common treatments include: 1. Hot-dip galvanizing: This process involves dipping the steel bars into a bath of molten zinc, which creates a protective coating on the surface. This treatment helps to prevent rust and corrosion. 2. Electrogalvanizing: Similar to hot-dip galvanizing, electrogalvanizing also involves applying a layer of zinc to the surface of the steel bars. However, in this process, an electric current is used to deposit the zinc onto the steel. 3. Nitriding: Nitriding involves exposing the steel bars to a nitrogen-rich environment at high temperatures. This treatment forms a hard, wear-resistant layer on the surface of the bars, enhancing their strength and durability. 4. Chrome plating: Chrome plating is a process in which a thin layer of chromium is applied to the surface of the steel bars. This treatment provides excellent corrosion resistance and enhances the aesthetic appearance of the bars. 5. Powder coating: Powder coating involves applying a dry powder to the surface of the steel bars, which is then cured through a heating process. This treatment creates a durable and attractive finish, offering protection against corrosion, chemicals, and UV rays. 6. Polishing: Polishing is a process that involves mechanically smoothing and shining the surface of the steel bars. This treatment enhances the visual appeal of the bars and improves their resistance to corrosion. These are just a few of the many surface treatments available for alloy steel round bars. The choice of treatment will depend on the specific requirements of the application, including factors such as desired appearance, corrosion resistance, and wear resistance.
Send your message to us
Normal Steel Round Bars For Middle Sizes
- 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
Similar products
Hot products
Hot Searches
Related keywords