hot rolled Round BAR
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used in construction and a large number of architectural and engineering structures.
4. Some special round bar can be used for automotive engine and transmission components, bearing, rails machine tools and wire rope.
Packaging & Delivery of American Standard Round Bar
Packaging Detail: All goods are packed in bundle with steel strips and shipped by break bulk vessel or container (depend on target market and different ports)
Delivery Detail: 45 days
Trade terms: FOB, CFR, CIF
MOQ: 25 tons per specification; we can negotiate the quantity if the specification is normal or we have stock of one specification.
Weight: Theprice invoicing on theoretical weight basis or actual weight basis depends on customer’s request.
Shipment: The shipment of bulk break or container is depends on customer’s request and the situation of the port of destination.
Documents given: Full set of original clean on board bill of lading; Original signed commercial invoice; Original packing list; Policy of insurance; Certificate of origin and what the target market needs.
Production Flow of American Standard Round Bar
The common processes are preheated forging quenching, dual refinement solution process, cooling quenching and isothermal quenching. We use heat treatment for dual refinement solution process.
Quality Assurance of American Standard Round Bar
1. We will strictly inspect our production that we sold according to the customer’s request.
2. Quality should be in conformity with the specification of the manufacturer. Quantity and packing conditions should be in conformity with the term in the contract.
3. Should the packing found damaged, the buyer has the right to claim to the seller.
- Q: Can steel round bars be used in the telecommunications industry?
- Yes, steel round bars can be used in the telecommunications industry. They are often used for constructing infrastructure such as transmission towers and poles, as well as for cable management and support systems. The high strength and durability of steel make it suitable for withstanding the environmental conditions and load requirements in the telecommunications sector.
- Q: How are steel round bars used in the automotive industry?
- Steel round bars are commonly used in the automotive industry for a variety of applications due to their strength, durability, and versatility. One of the main uses of steel round bars in the automotive industry is for the production of crankshafts. Crankshafts play a crucial role in converting the reciprocating motion of the pistons into rotational motion, powering the vehicle. Steel round bars are ideal for this application as they offer high tensile strength, excellent fatigue resistance, and the ability to withstand high torque loads. Steel round bars are also used in the manufacturing of axles. Axles are responsible for transferring power from the engine to the wheels, supporting the weight of the vehicle, and providing stability. Steel round bars provide the necessary strength and rigidity required to handle the heavy loads and forces experienced by the axles. Additionally, steel round bars are utilized in the production of suspension components such as tie rods and sway bars. Tie rods are crucial for steering and maintaining proper alignment, while sway bars help to control body roll and improve handling. Steel round bars are preferred for these applications because they offer excellent torsional strength, allowing them to withstand the forces and stresses encountered during steering and suspension movements. Furthermore, steel round bars find use in the production of transmission shafts. Transmission shafts are responsible for transmitting power from the engine to the wheels via the gearbox. Steel round bars are well-suited for this application due to their high strength, resistance to bending, and ability to handle the rotational forces and torque generated by the engine. In summary, steel round bars are widely used in the automotive industry for various applications such as crankshafts, axles, suspension components, and transmission shafts. Their superior strength, durability, and versatility make them an ideal choice for these critical components, ensuring the safety, performance, and reliability of vehicles.
- 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 are the different types of steel round bars used in the manufacturing of springs?
- There are several different types of steel round bars commonly used in the manufacturing of springs. These include: 1. Carbon steel round bars: These are the most commonly used type of steel for springs. They have a high carbon content, typically ranging from 0.60% to 0.95%. Carbon steel round bars offer good strength and durability, making them suitable for a wide range of spring applications. 2. Alloy steel round bars: These are made by adding alloying elements such as chromium, manganese, nickel, or vanadium to carbon steel. Alloy steel round bars provide enhanced mechanical properties, including higher strength, toughness, and resistance to wear and corrosion. They are often used in heavy-duty or high-performance spring applications. 3. Stainless steel round bars: These are corrosion-resistant steel bars with a high chromium content (usually above 10.5%). Stainless steel round bars are popular for springs that require excellent resistance to rust, oxidation, and chemicals. They are commonly used in applications where hygiene, cleanliness, and aesthetic appeal are important, such as in the food and medical industries. 4. Spring steel round bars: These are specifically designed for spring manufacturing. They have a unique combination of properties, including high yield strength, good fatigue resistance, and excellent elasticity. Spring steel round bars are typically made from either carbon steel or alloy steel, depending on the specific requirements of the application. It is important to choose the right type of steel round bar based on factors such as the intended application, load requirements, environmental conditions, and desired spring performance. Consulting with a materials engineer or spring manufacturer can help determine the most suitable steel round bar for a specific spring manufacturing project.
- Q: What are the applications of steel round bars in the aerospace industry?
- Steel round bars have various applications in the aerospace industry, primarily due to their high strength-to-weight ratio and excellent resistance to corrosion. They are commonly used in the construction of aircraft frames, landing gear components, and engine parts. Additionally, steel round bars are employed in the production of critical structural elements, such as wing spars and fuselage sections, ensuring the durability and safety of aerospace vehicles.
- Q: How is a steel round bar made?
- A steel round bar is made through a multi-step manufacturing process that involves several stages. The process begins with the selection of high-quality raw materials, typically steel billets, which are then heated in a furnace until they reach a specific temperature suitable for forging. Once the billet is heated, it is placed into a forging machine, where it is subjected to immense pressure to shape it into a round bar. The forging process involves repeatedly striking the billet with a hammer or applying pressure with a mechanical press until the desired shape and dimensions are achieved. After forging, the round bar is then subjected to a process called heat treatment, which involves heating the bar to a specific temperature and cooling it rapidly or slowly to enhance its mechanical properties. Heat treatment helps improve the bar's strength, hardness, and toughness, making it suitable for various applications. Next, the bar undergoes a process called machining, which involves cutting, turning, and grinding to achieve the desired dimensions and surface finish. This step ensures that the bar meets the required tolerances and specifications. Finally, the round bar is subjected to a final inspection to ensure its quality and adherence to the specified standards. This inspection involves checking its dimensions, surface finish, and any other specific requirements, such as chemical composition or mechanical properties. In summary, the production of a steel round bar involves the selection of high-quality raw materials, forging, heat treatment, machining, and final inspection. Each step in this process plays a crucial role in ensuring the quality and integrity of the final product.
- Q: What is the tensile strength of a steel round bar?
- The tensile strength of a steel round bar depends on various factors such as the specific grade of steel, the manufacturing process, and any additional treatments or coatings applied. Generally, steel round bars have high tensile strength due to their composition and structural design. The specific tensile strength can vary significantly depending on the grade of steel. For example, low carbon steel typically has a tensile strength of around 400-550 MPa (megapascals), while high carbon steel can have a tensile strength of 700-1000 MPa or even higher. It's worth noting that the tensile strength of a steel round bar can be further enhanced by heat treatment processes such as quenching and tempering, which can significantly increase its strength and hardness. Additionally, certain alloying elements like chromium, nickel, and molybdenum can be added to steel to improve its tensile strength and other mechanical properties. To determine the exact tensile strength of a specific steel round bar, it is crucial to refer to the manufacturer's specifications or consult relevant industry standards such as ASTM (American Society for Testing and Materials) or AISI (American Iron and Steel Institute) standards. These standards provide detailed information on the mechanical properties, including tensile strength, for various grades of steel.
- Q: What are the advantages of using silicon-alloy steel round bars?
- There are several advantages of using silicon-alloy steel round bars. Firstly, silicon-alloy steel has enhanced strength and durability, making it suitable for demanding applications and heavy-duty industries. Secondly, the addition of silicon improves the steel's resistance to corrosion and oxidation, increasing its lifespan and reducing maintenance costs. Additionally, silicon-alloy steel round bars offer excellent heat resistance, making them ideal for high-temperature environments. Furthermore, these round bars have good machinability and weldability, allowing for easy fabrication and customization. Overall, the advantages of silicon-alloy steel round bars include increased strength, improved corrosion resistance, enhanced heat resistance, and ease of fabrication.
- Q: What are the standard sizes of steel round bars?
- The standard sizes of steel round bars vary, but common diameters range from 1/4 inch to 12 inches.
- Q: How do you prevent steel round bars from warping during machining?
- To prevent warping of steel round bars during machining, there are multiple measures that can be implemented: 1. Opt for appropriate material selection: Select steel round bars with minimal residual stress and a consistent internal structure. This will decrease the likelihood of warping during machining. 2. Prioritize stress relief before machining: Prior to machining, subject the steel round bars to stress-relieving heat treatment. This procedure assists in releasing internal stress and stabilizing the material, resulting in reduced warping. 3. Ensure proper machine setup: Guarantee that the machine used for machining the steel round bars is accurately calibrated and aligned. Any misalignment or imbalance can induce stress and lead to warping. Regular maintenance and inspection of machine components are crucial. 4. Employ suitable cooling techniques: While machining, employ appropriate cooling methods to control the temperature. Excessive heat buildup can cause thermal distortion and warping. Implementing lubricants and coolants effectively dissipates heat, maintaining stable machining conditions. 5. Utilize the correct cutting tools: Utilize high-quality cutting tools specifically designed for machining steel. Dull or incorrect tools generate excessive heat and contribute to warping. Regular inspection and replacement of tools are essential for optimal performance. 6. Adjust cutting parameters appropriately: Modify cutting parameters such as cutting speed, feed rate, and depth of cut according to the specific steel grade and machining operation. Inappropriate cutting parameters generate excessive heat and increase the risk of warping. 7. Minimize interrupted cuts: Whenever possible, avoid interrupted cuts as they create stress concentrations and raise the probability of warping. If interrupted cuts are necessary, employ proper tool entry and exit strategies to minimize stress points. 8. Implement post-machining stress relief: After machining, subject the steel round bars to stress-relieving heat treatment once again to alleviate any residual stresses induced during the machining process. This step further reduces the chances of warping. By adhering to these preventive measures, the risk of steel round bars warping during machining can be significantly reduced, ensuring the production of high-quality and precise machined components.
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hot rolled Round BAR
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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