Hot Rolled Steel Round Bar For Pipes Produce
- 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: Why is it better to use round steel than flat steel in lightning protection?
- In the construction of lightning protection, both round bar and flat steel have different uses. Flat steel is generally suitable for horizontal connection between vertical grounding poles for lightning protection. Round steel is suitable for lightning protectionThe guiding line and connected with lightning. The roof, all of the junctions are connected by welding requirements do not exist, what striking issues... The technical norms of the state said so, does not have what good and bad problem
- Q: How are steel round bars heat treated?
- Steel round bars are heat treated to increase their strength and hardness while also improving their mechanical properties. The heat treatment process typically involves three main steps: heating, soaking, and cooling. Firstly, the steel round bars are heated to a specific temperature, known as the austenitizing temperature. This temperature is usually above the critical temperature of the steel, which allows the material to transform into its austenite phase. The austenitizing temperature varies depending on the type of steel and the desired properties. Once the steel round bars reach the austenitizing temperature, they are soaked at this temperature for a specific duration. The soaking time allows for the complete transformation of the microstructure, ensuring uniformity and avoiding any thermal gradients within the material. The soaking time is crucial in determining the final properties of the steel. After the soaking period, the steel round bars are rapidly cooled in a process called quenching. Quenching is typically done by immersing the bars in a quenching medium, such as oil, water, or air, depending on the desired hardness and properties. The quenching process rapidly cools the bars, causing a martensitic transformation in the steel's microstructure. This transformation results in increased hardness and strength. Following quenching, the steel round bars may undergo an additional step called tempering. Tempering involves reheating the bars to a lower temperature, typically below the austenitizing temperature. This step aims to reduce the brittleness caused by the quenching process while further improving the material's toughness and ductility. Overall, the heat treatment process for steel round bars involves heating to the austenitizing temperature, soaking for a specific duration, quenching to rapidly cool and harden the material, and potentially tempering to achieve the desired properties. This process allows for the customization and enhancement of the steel's mechanical properties, making it suitable for various applications.
- Q: How do I choose the right grade of steel round bar for my application?
- Choosing the right grade of steel round bar for your application requires careful consideration of several factors. Here are some steps to help you make an informed decision: 1. Determine the application requirements: Start by understanding the specific demands of your application. Consider factors such as load-bearing capacity, corrosion resistance, temperature resistance, and any specific industry standards or regulations that may apply. 2. Identify the required mechanical properties: Depending on the application, you may need specific mechanical properties such as strength, hardness, toughness, or ductility. Identify the required values for these properties and prioritize them based on their importance to your application. 3. Consider the environmental conditions: Evaluate the conditions in which the steel round bar will operate. This includes factors such as exposure to moisture, chemicals, high temperatures, or abrasive environments. Some grades of steel are more resistant to corrosion or heat, making them more suitable for specific conditions. 4. Consult with experts: If you are unsure about the best grade of steel for your application, seek advice from professionals such as metallurgists, engineers, or suppliers. They can provide valuable insights based on their expertise and experience. 5. Compare different grades: Once you have a clear understanding of your application requirements, research and compare different grades of steel round bars available on the market. Consider factors such as composition, manufacturing process, and specific properties of each grade. Look for grades that closely match your requirements. 6. Review industry standards and specifications: Check if there are any industry standards or specifications that dictate the use of specific grades for your application. These standards can provide guidance and ensure compliance with safety and quality requirements. 7. Evaluate cost-effectiveness: Evaluate the cost-effectiveness of different grades by considering factors such as initial purchase cost, maintenance and replacement costs, and the overall lifespan of the steel round bar. 8. Conduct tests and trials: If possible, conduct tests or trials using different grades of steel round bars to assess their performance in your specific application. This can provide valuable data and help you make a more informed decision. By following these steps and considering all relevant factors, you can choose the right grade of steel round bar that will meet the demands of your application efficiently and effectively.
- Q: What are the advantages of using nitriding steel round bars?
- There are several advantages of using nitriding steel round bars. Firstly, nitriding steel round bars have a high surface hardness. The nitriding process involves the diffusion of nitrogen into the surface layer of the steel, which creates a hard nitride layer. This significantly improves the wear resistance and durability of the round bars, making them suitable for applications that involve heavy loads or abrasive environments. Secondly, nitriding steel round bars have improved fatigue strength. The nitride layer formed during the nitriding process also enhances the fatigue resistance of the steel. This means that the round bars are able to withstand repeated loading and high-stress conditions without experiencing premature failure. Additionally, nitriding steel round bars have excellent corrosion resistance. The nitride layer acts as a barrier against corrosion, protecting the underlying steel from being attacked by corrosive elements such as moisture, chemicals, or saltwater. This makes them ideal for use in harsh environments where corrosion is a concern, such as marine or chemical industries. Furthermore, nitriding steel round bars have a high surface hardness retention at elevated temperatures. Unlike other surface hardening processes, nitriding does not rely on the formation of a thin coating on the surface of the steel. Instead, it modifies the surface layer of the steel, resulting in a hardened layer that remains stable even at high temperatures. This allows the round bars to maintain their hardness and mechanical properties even in demanding heat-intensive applications. Overall, the advantages of using nitriding steel round bars include high surface hardness, improved fatigue strength, excellent corrosion resistance, and high surface hardness retention at elevated temperatures. These properties make them a preferred choice for various applications in industries such as automotive, aerospace, manufacturing, and construction.
- Q: Can steel round bars be used for making medical equipment?
- Medical equipment can indeed be made using steel round bars. Steel is a versatile and durable material that is commonly used in the manufacturing of medical instruments and equipment. It possesses excellent strength and can withstand high levels of stress and pressure, making it suitable for a wide range of medical applications. Moreover, steel's resistance to corrosion and its ability to be easily sterilized ensure that the medical equipment remains hygienic and safe for use. Steel round bars can be machined, shaped, and formed into various medical instruments such as surgical tools, implants, braces, and prosthetics. Therefore, steel round bars are a viable option for producing medical equipment due to their strength, durability, and compatibility with sterilization processes.
- Q: Grade 1 steel is round steel, grade two steel is ribbed thread steel. Are the weight of the two units the same?
- Grade two steel is ribbed steel, but the average diameter is calculated. The chemical composition of grade steel and grade two steel is different, but the density of them is the same. Therefore, the unit weight of grade 1 steel and grade two steel is the same.
- Q: What are the different types of steel round bars used in the marine industry?
- In the marine industry, various types of steel round bars are used for different applications. These steel round bars are specifically designed to withstand the harsh marine environment and provide high strength and corrosion resistance. 1. Stainless Steel Round Bars: Stainless steel round bars are widely used in the marine industry due to their excellent corrosion resistance properties. They are resistant to saltwater, acids, and other corrosive elements found in the marine environment. Stainless steel round bars are commonly used for marine fittings, fasteners, and propeller shafts. 2. Carbon Steel Round Bars: Carbon steel round bars are known for their high strength and durability. They are used in various marine applications such as shipbuilding, construction of offshore structures, and fabrication of marine equipment. Carbon steel round bars are available in different grades, with higher carbon content providing increased strength and hardness. 3. Alloy Steel Round Bars: Alloy steel round bars are made by combining different elements such as chromium, nickel, and molybdenum with carbon steel to enhance their mechanical properties. These bars offer excellent strength, toughness, and resistance to corrosion. Alloy steel round bars are commonly used for marine shafts, gears, and structural components. 4. Duplex Stainless Steel Round Bars: Duplex stainless steel round bars are a combination of austenitic and ferritic stainless steels. They offer superior corrosion resistance and high strength, making them ideal for marine applications. Duplex stainless steel round bars are often used in offshore platforms, marine vessels, and underwater equipment. 5. Nickel Alloy Round Bars: Nickel alloy round bars are known for their exceptional resistance to corrosion and high-temperature environments. They are used in critical marine applications where strength, durability, and resistance to corrosive elements are essential. Nickel alloy round bars are commonly used in marine valves, pumps, and heat exchangers. Each type of steel round bar used in the marine industry has its own unique properties and advantages. The selection of the appropriate steel round bar depends on the specific application and requirements of the marine project.
- Q: Can steel round bars be used in the manufacturing of pumps?
- Yes, steel round bars can be used in the manufacturing of pumps. Steel round bars are often used as the primary material for making pump shafts, impellers, and other critical components due to their high strength, durability, and resistance to corrosion. Their uniform shape and consistent mechanical properties make them suitable for creating precise and reliable pump parts.
- Q: What is the minimum diameter available for steel round bars?
- The minimum diameter available for steel round bars can vary depending on the manufacturer and the specific requirements of the project. However, commonly available sizes range from 1/4 inch to 1 inch in diameter.
- Q: Can steel round bars be used for making wheel hubs?
- Yes, steel round bars can be used for making wheel hubs. Steel is a common material choice for wheel hubs due to its high strength and durability, making it suitable for withstanding the forces and pressures experienced by wheel hubs during operation.
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Hot Rolled Steel Round Bar For Pipes Produce
- 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
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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