Steel Round Bar Reliable manufacturer in China
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 400 m.t.
- Supply Capability:
- 2000000 m.t./month
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Description of steel round bar:
1. Commodity: Round steel bar
2. Technical: Hot rolling
3. Length: Min. 5.8meter, according to requirement.
Festures of steel round bar:
1.Dia 80-800mm Length:2000-13000mm or as required
2.Technique:Forged
3.Delivery Time:45 days
Specifications of steel round bar:
1. Standards: AISI 4340 8620 8640 4320 , JIS SNCM8 GB:40CrNiMoA
2. Specification: Dia: 80~450mm Length:2000-13000mm or as required
3. Process: EAF+LF+VD ( necessary) UT+ Peeled +Turned + Heat Treatment (optional).Providing complete services from manufacturing and marketing to distributing;Steel exported all over the world;
4. Chemical Composition (%):
C | Si | Mn | S | P | Cr | Ni | Cu | Mo |
0.37-0.44 | 0.17-0.37 | 0.40-0.80 | 0.025(max) | 0.025(max) | 0.60-0.90 | 1.25-1.65 | 0.025(max) | 0.15-0.25 |
Images of steel round bar:
FAQ:
1. What is your package?
Packing situation: standard seaworthy packing or as customer required.
2. How long is the lead time?
Delivery time: 45 days after order confirmed.
3. What payment term do you accept?
Payment: T/T or L/C at sight.
- Q:What are the different types of steel used for round bars?
- There are several different types of steel used for round bars, including carbon steel, alloy steel, stainless steel, and tool steel. Each type has its own unique composition and properties, making them suitable for various applications and industries.
- Q:Are steel round bars suitable for the production of valves?
- Yes, steel round bars are suitable for the production of valves. Steel is a commonly used material in valve manufacturing due to its excellent mechanical properties, such as high strength, durability, and resistance to corrosion. Steel round bars can be easily machined and formed into various valve components, providing the necessary strength and stability required for valves to withstand high pressure and temperature conditions. Additionally, steel round bars can be heat-treated to enhance their mechanical properties, further improving the performance and reliability of valves. Overall, steel round bars are a suitable choice for the production of valves, ensuring their functionality and longevity in various industries and applications.
- Q:20# difference between round bar and A3 round bar, can they be used separately?
- The first floor of the answer is lame, 20 is a low carbon steel, low carbon steel is A3, and the two carbon content are equivalent, both mechanical properties are equivalent, but they are not the same, the 20 steel is high quality carbon steel, carbon structural steel is A3, not to see the difference. 20 steel better quality, chemical composition, impurity content control are better, and A3 to casually, so if you only occasionally used, that is no problem, if often use, it is a better consistency of 20 steel
- Q:What is the difference between a seamless and a turned steel round bar?
- A seamless steel round bar is produced by piercing a solid billet to create a hollow tube, which is then elongated and rolled to the desired size. This manufacturing method ensures a smooth and continuous surface, without any seams or welds. On the other hand, a turned steel round bar is a solid bar that undergoes machining operations to achieve the desired shape and dimensions. It is typically produced from a larger steel bar by removing material through turning or machining processes. Therefore, the main difference lies in the manufacturing process, with seamless round bars being hollow and formed through extrusion, while turned round bars are solid and shaped through machining operations.
- Q:What are the specifications and standards for steel round bars?
- The specifications and standards for steel round bars vary depending on their intended use and industry requirements. However, there are general specifications and standards that apply to most steel round bars. To start, the dimensions of steel round bars are typically specified in terms of diameter, length, and tolerance levels. The diameter can range from a few millimeters to several inches, while the length can vary according to customer needs. Tolerance levels indicate the allowable deviation from the specified dimensions, ensuring the bars meet desired accuracy and consistency. In terms of material composition, steel round bars are predominantly made from carbon steel, alloy steel, or stainless steel. The specific grade and composition depend on the application, such as structural, construction, automotive, or aerospace. These grades are established by organizations like ASTM or ISO, which define the chemical composition, mechanical properties, and other characteristics of the steel. Steel round bars must meet certain standards for mechanical properties to ensure their strength, ductility, and resilience. These properties include tensile strength, yield strength, elongation, hardness, impact resistance, and more. Relevant organizations like ASTM or ISO specify the standards for these properties, providing guidelines for manufacturers and users to ensure the bars are suitable for their intended applications. Surface finish is another important aspect of steel round bars. Standard surface finish options include black, peeled, ground, polished, or chrome-plated, among others. These finishes impact appearance, corrosion resistance, and ability to withstand wear and tear. Additionally, steel round bars may need to adhere to specific standards for heat treatment, such as annealing, quenching, or tempering, to enhance their mechanical properties or improve machinability. Overall, the specifications and standards for steel round bars cover dimensions, material composition, mechanical properties, surface finish, and heat treatment requirements. These standards ensure that steel round bars meet necessary quality, performance, and safety criteria for their designated applications. Manufacturers, suppliers, and end-users must be aware of these specifications and standards to select and use steel round bars appropriately.
- Q:What are the factors affecting the price of steel round bars?
- There are several factors that can affect the price of steel round bars. Some of the key factors include the cost of raw materials used in steel production, such as iron ore and coal. Additionally, factors such as global supply and demand, market competition, and economic conditions can also influence the price of steel round bars. Other factors like transportation costs, energy prices, and government regulations can also play a role in determining the final price of steel round bars.
- Q:What is the maximum silicon content allowed for steel round bars?
- The maximum silicon content allowed for steel round bars is typically around 0.35%.
- Q:Can steel round bars be used in the production of electrical equipment?
- Yes, steel round bars can be used in the production of electrical equipment. Steel is a versatile material with various properties that make it suitable for different applications, including electrical equipment. Steel round bars can be used to manufacture components such as shafts, connectors, and structural supports in electrical equipment. The strength and durability of steel make it a reliable choice for these applications, as it can withstand the mechanical stresses and environmental conditions that electrical equipment may be exposed to. Additionally, steel can provide good electrical conductivity and magnetic properties, which are important characteristics for certain electrical components. However, it is worth noting that steel round bars may need to undergo additional processes such as machining, heat treatment, or surface finishing to meet specific requirements for electrical equipment production.
- Q:How do you determine the appropriate steel grade for a specific application?
- Determining the appropriate steel grade for a specific application requires a comprehensive understanding of the application's requirements and the properties of different steel grades. Here are some key steps to consider: 1. Identify the application requirements: Start by clearly defining the specific application's requirements such as load-bearing capacity, corrosion resistance, temperature resistance, and durability. Consider factors such as the environment the steel will be exposed to, the expected stress levels, and any specialized characteristics needed. 2. Research steel grades: Once the application requirements are understood, research various steel grades available in the market. Identify steel grades that are known for possessing the desired properties required for the specific application. Consult industry standards, expert opinions, and available resources to gain insights into different steel grades and their performance in similar applications. 3. Evaluate material properties: Analyze the physical, mechanical, and chemical properties of the steel grades under consideration. Key properties to assess include strength, ductility, toughness, hardness, corrosion resistance, weldability, and formability. Compare these properties with the application requirements to determine which steel grades align best with the specific needs. 4. Consider cost and availability: Evaluate the cost and availability of the steel grades that meet the application requirements. Factors such as the initial cost, maintenance costs, and availability of the steel grade in the required form and quantity should be taken into account. This step ensures that the chosen steel grade is not only suitable but also feasible from an economic perspective. 5. Seek expert advice: Consulting with experts, such as metallurgists or engineers, can provide valuable insights into selecting the appropriate steel grade. Their expertise and experience can help weigh the pros and cons of different steel grades, identify potential challenges, and suggest alternatives or modifications if necessary. 6. Conduct testing and trials: If feasible, conduct testing or trials using samples of the selected steel grade to assess its performance under real-world conditions. This step can help validate the suitability of the chosen steel grade and identify any unforeseen issues or areas for improvement. By carefully considering the application requirements, researching steel grades, evaluating material properties, considering cost and availability, seeking expert advice, and conducting testing and trials, one can effectively determine the appropriate steel grade for a specific application.
- Q:How do you calculate the weight of a steel round bar based on its length and diameter?
- The weight of a steel round bar can be determined by utilizing the subsequent equation: Weight = (π/4) x (Diameter^2) x Length x Density. In this equation, π denotes the mathematical constant pi, with an approximate value of 3.14159. Diameter represents the measurement across the widest point of the steel round bar, while Length corresponds to the overall length of the bar. Additionally, Density signifies the typical density of steel, which is approximately 7850 kilograms per cubic meter. To calculate the weight, first square the diameter and then proceed to multiply it by the length and density. Finally, multiply the outcome by π/4 to obtain the weight of the steel round bar in the desired units, typically kilograms or pounds. It is crucial to acknowledge that this equation assumes the steel round bar is a solid cylinder with a uniform diameter. If there are any variations or irregularities present in the bar, the weight determined using this equation may not be entirely accurate.
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Steel Round Bar Reliable manufacturer in China
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 400 m.t.
- Supply Capability:
- 2000000 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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