Hot sell round steel bar for construction
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25000 m.t.
- Supply Capability:
- 10000 m.t./month
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Specifications of Common Steel Round Bar
1. Grade: 304, 316L, 321
2. Type: Mild carbon steel
3. Shape: Round bar, solid bar of steel with circular section
4. Diameter: 8mm-150mm
5. HS Code: 72283010
Usage and Applications of Common Steel Round Bar
1. Common Steel Round Bar of 8-25mm, or small round is mostly used for straight bundles supply, and used for steel, bolts and various mechanical parts. While the bigger round bar, or more than 25mm hot rolled bar, is mainly for the manufacture of mechanical parts or for seamless steel billet.
2. Steel round bar is used in construction and a large number of architectural and engineering structures.
3. Besides, we can supply some especial material steel round bar that can be used for main shaft of steamer, hummer shank, with big section and supper force.
Packaging & Delivery of High Quality 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: The price 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 High Quality 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. The main measures process is high temperature solution and refinement cycle. High temperature solution can improve the carbide morphology and particle size. The aim is to make the loop refinement ultrafine austenite grains.
- Q: What is the difference between the heat treatment of cold drawn round steel and the heat treatment of wrought round steel?
- Annealing: the annealing of hypoeutectoid steel workpiece heated to AC3 above 20 - 40 degrees heat after a period of time, furnace cooling (or buried in the sand or lime cooling) to 500 degrees Celsius in air cooling heat treatment process.
- Q: What is the difference between a bright and a cold finished steel round bar?
- A bright steel round bar refers to a steel bar that has undergone a process called bright drawing, which involves passing the bar through a series of dies to achieve a smooth and shiny surface finish. On the other hand, a cold finished steel round bar is produced by cold drawing, which involves pulling the bar through a die to reduce its diameter and improve its dimensional accuracy. The cold finishing process does not result in a bright and shiny surface like bright drawing does, but it enhances the mechanical properties and overall quality of the bar.
- Q: Are steel round bars suitable for use in the manufacturing of fittings?
- Yes, steel round bars are suitable for use in the manufacturing of fittings. Steel round bars offer several advantages that make them a preferred choice for fittings manufacturing. Firstly, steel is known for its excellent strength and durability, making it ideal for creating reliable and long-lasting fittings. Steel round bars are capable of withstanding heavy loads and high pressure, ensuring that the fittings can perform effectively in various applications. Additionally, steel round bars are highly versatile and can be easily shaped and formed into different fittings designs. This flexibility allows manufacturers to create fittings that meet specific requirements and dimensions, ensuring a perfect fit for various systems and structures. Moreover, steel is resistant to corrosion, which is essential for fittings that may come into contact with moisture or other corrosive substances. The anti-corrosion properties of steel ensure that fittings maintain their integrity and functionality over time, even in harsh environments. Furthermore, steel round bars are readily available in a wide range of sizes, grades, and finishes, providing manufacturers with ample options to meet different specifications and design preferences. In conclusion, steel round bars are a suitable choice for use in the manufacturing of fittings due to their strength, durability, versatility, corrosion resistance, and availability. These attributes make steel round bars a reliable and efficient material for creating high-quality fittings that can withstand various operating conditions and provide long-lasting performance.
- Q: What are the advantages of using vanadium-alloy steel round bars?
- Vanadium-alloy steel round bars offer numerous benefits. Firstly, they possess significantly enhanced strength and toughness compared to regular steel, making them ideal for applications requiring durability and high strength, such as construction, manufacturing, and engineering projects. The inclusion of vanadium improves the steel's ability to withstand heavy loads, impacts, and extreme temperatures, enabling it to thrive in demanding environments. Secondly, vanadium-alloy steel round bars display exceptional resistance to corrosion. The vanadium creates a protective oxide layer on the steel's surface, preventing rusting and corrosion. Consequently, these bars have impressive longevity, even in harsh or corrosive surroundings. Moreover, vanadium-alloy steel exhibits excellent weldability and machinability. It can be effortlessly welded, facilitating efficient fabrication and construction processes. Additionally, its machinability allows for precise shaping and forming, making it adaptable to various design requirements. Furthermore, vanadium-alloy steel excels in wear resistance. This quality is particularly advantageous in applications where the bars face high levels of friction, abrasion, or wear, such as mining or manufacturing equipment. The addition of vanadium enhances the steel's hardness and wear resistance, thereby extending the lifespan of the bars and reducing maintenance costs. Lastly, vanadium-alloy steel demonstrates exceptional heat resistance. It can endure high temperatures without compromising its strength or structural integrity. Consequently, it is suitable for applications involving exposure to extreme heat, such as automotive engines, turbines, or power generation equipment. In conclusion, the utilization of vanadium-alloy steel round bars provides a range of advantages, including increased strength and toughness, corrosion resistance, ease of welding and machining, impressive wear resistance, and high heat resistance. These qualities establish vanadium-alloy steel round bars as a dependable and versatile choice for various applications.
- Q: Can steel round bars be heat treated to improve their mechanical properties?
- Steel round bars can undergo heat treatment to enhance their mechanical properties. Heat treatment involves heating the steel to a specific temperature, maintaining it at that temperature for a certain duration, and then cooling it rapidly or slowly. This process can modify the microstructure of the steel, resulting in changes to its hardness, strength, toughness, and other mechanical properties. Various types of heat treatment processes can be applied to steel round bars, depending on the desired outcome. For instance, annealing is a process that entails heating the steel to a specific temperature and subsequently cooling it gradually. This method helps alleviate internal stresses in the steel, enhance its ductility, and facilitate machining. Another commonly used heat treatment process is quenching and tempering. This involves heating the steel to a specific temperature and rapidly cooling it, often by immersing it in an oil or water quenching medium. This swift cooling process helps strengthen the steel, making it more resistant to wear and abrasion. Following quenching, the steel is typically tempered by reheating it to a lower temperature, reducing its brittleness and improving its toughness. In addition to annealing and quenching and tempering, other heat treatment processes such as normalizing, case hardening, and precipitation hardening can also be employed to enhance the mechanical properties of steel round bars. These processes involve different heating and cooling techniques, and are utilized to achieve specific outcomes based on the desired properties of the steel. Overall, heat treatment is a versatile and effective approach for improving the mechanical properties of steel round bars. By carefully controlling the heating and cooling process, significant improvements in hardness, strength, toughness, and other properties can be achieved, rendering the steel suitable for a wide range of applications.
- Q: What is the tolerance for length in steel round bars?
- The tolerance for length in steel round bars typically depends on the specific industry standards and requirements. However, in general, the tolerance for length in steel round bars can range from +/- 1/8 inch to +/- 1/4 inch, or even tighter tolerances depending on the application and specifications outlined by the manufacturer or customer.
- Q: What are the different types of steel round bar surface coatings?
- Some of the different types of steel round bar surface coatings include galvanized coatings, epoxy coatings, powder coatings, and chrome plating.
- Q: Can steel round bars be used for making propeller shafts?
- Yes, steel round bars can be used for making propeller shafts. Steel is a commonly used material for propeller shafts due to its strength, durability, and resistance to corrosion. Round bars, in particular, are often chosen for their shape, which provides optimal strength and load-bearing capabilities. The selection of steel grade and specific properties will depend on the requirements of the propeller shaft, such as the desired length, diameter, and torque capacity. Additionally, other factors like cost, weight, and manufacturability may also influence the choice of steel round bars for propeller shafts.
- Q: What is the maximum molybdenum content allowed for steel round bars?
- The maximum molybdenum content allowed for steel round bars varies depending on the grade and specific requirements of the steel. Generally, the maximum molybdenum content for standard carbon and alloy steels is around 0.25-0.30%. However, for high-performance steels such as tool steels or stainless steels, the maximum molybdenum content can be higher, ranging from 1-10%, depending on the specific grade and application. It is crucial to consult the relevant industry standards, specifications, or material data sheets to determine the precise maximum molybdenum content allowed for a specific steel round bar.
- Q: What are the different types of heat treatments applied to steel round bars?
- There are several types of heat treatments applied to steel round bars, including annealing, normalizing, quenching, tempering, and case hardening. These treatments are used to improve the physical and mechanical properties of the steel, such as increasing its hardness, strength, toughness, and ductility, depending on the desired application and requirements.
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Hot sell round steel bar for construction
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25000 m.t.
- Supply Capability:
- 10000 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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