GB Q345 Steel Round Bar

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Specifications of Steel Round Bar:

1. Standard: GB

2. Grade: Q345

3. Invoicing on theoretical weight or actual weight as customer’s request

4. Shape: Round bar, solid bar of steel with circular section

5. Technique: Hot rolled


Size:

Size (mm)Section Area (cm2)Mass (Kg/m)
17226.8651.78
18254.342.00


Usage and Applications of Hot Rolled Round Bar

1. Hot rolled round bar of 6-25mm, 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. 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.

* If you would like to get our price, please inform us the size, standard/material and quantity. Thank you very much for your attention.

Q:
Different types of connections are commonly used with steel round bars, depending on the specific application and structural requirements. Some examples of these connections include: 1. Welded Connections: Steel round bars can be fused together using heat and pressure in a process called welding. This method is widely used and results in a strong and durable connection. 2. Mechanical Connections: Bolts, nuts, or other mechanical fasteners can be employed to join steel round bars together. These connections are easy to install and can be disassembled if necessary, making them ideal for applications requiring frequent disassembly or reconfiguration. 3. Threaded Connections: By cutting threads into the ends of steel round bars, they can be screwed together using nuts. This type of connection offers good strength and can be easily tightened or loosened. 4. Adhesive Connections: High-strength adhesives or epoxies can be used to bond steel round bars together when welding or mechanical connections are not feasible or desirable. This method is commonly used in such situations. 5. Interlocking Connections: Specially designed couplers or connectors can be used to fit over the ends of steel round bars, creating a secure interlocking connection. These connections are often utilized in construction projects where quick and efficient installation is required. 6. Grouted Connections: The gaps between steel round bars can be filled with a cementitious grout material to enhance strength and stability. Grouted connections are commonly used in applications that require high load capacities. To ensure the correct type of connection is chosen for steel round bars, it is crucial to consider factors such as load capacity, installation ease, disassembly requirements, and structural integrity. Consulting with a structural engineer or a professional in the field is recommended.
Q:
The maximum elongation of steel round bars can vary depending on the specific grade and composition of the steel. However, in general, the maximum elongation for steel round bars is typically around 20-30% of its original length. This means that the steel round bar can stretch or elongate by up to 20-30% before reaching its breaking point or ultimate tensile strength. It is important to note that this maximum elongation is influenced by various factors such as the quality of the steel, the manufacturing process, and any heat treatment applied to the bars. Therefore, it is advisable to consult the specific manufacturer's specifications and consider the intended application of the steel round bars to determine the maximum elongation for a particular case.
Q:
Indeed, handrails can be crafted using steel round bars. Owing to their robustness and longevity, steel round bars find widespread usage in construction and fabrication. These bars can be effortlessly molded and joined together through welding techniques, resulting in handrails that furnish support and ensure safety for staircases, balconies, and elevated spaces. Furthermore, steel round bars can be adorned with a variety of coatings or treatments, augmenting their resistance to corrosion and enhancing their visual appeal. In summary, steel round bars are a favored option for fabricating handrails due to their durability, adaptability, and capacity to endure rigorous utilization.
Q:
Yes, steel round bars can be used for making interior components. They are often used in various applications such as handrails, furniture, fixtures, and decorative elements due to their strength, durability, and versatility.
Q:
There are several environmental benefits of using steel round bars: 1. Recyclability: Steel is one of the most recycled materials in the world. Using steel round bars reduces the demand for new steel production and saves energy and resources. Additionally, recycling steel reduces the amount of waste sent to landfills, helping to reduce environmental pollution. 2. Durability: Steel round bars are highly durable and have a long lifespan. This means that they do not need to be replaced frequently, reducing the overall consumption of materials. The durability of steel also reduces the need for maintenance and repairs, further reducing environmental impact. 3. Energy efficiency: Producing steel round bars requires less energy compared to other construction materials like concrete or wood. The energy savings are significant throughout the entire life cycle of the product, including extraction, manufacturing, transportation, and installation. 4. Reduced carbon emissions: Steel production emits less carbon dioxide (CO2) compared to other materials. By using steel round bars, we can help reduce greenhouse gas emissions and combat climate change. Furthermore, steel can be produced using alternative energy sources, such as renewable energy, further reducing carbon emissions. 5. Versatility and weight reduction: Steel round bars are versatile and can be used in various construction applications. Their high strength-to-weight ratio allows for the creation of lightweight structures, reducing the amount of material needed. This not only lowers the environmental impact but also decreases transportation costs and fuel consumption during delivery. 6. Fire-resistant properties: Steel round bars are highly resistant to fire, which can help prevent the spread of flames and reduce damage to structures. This property reduces the need for fire retardant chemicals that may have negative environmental impacts. In conclusion, using steel round bars offers numerous environmental benefits, including recyclability, durability, energy efficiency, reduced carbon emissions, weight reduction, and fire resistance. By opting for steel round bars, we can contribute to a more sustainable and eco-friendly construction industry.
Q:
There are several advantages to using steel round bars over other materials: 1. Strength and durability: Steel round bars are known for their high strength and durability, making them suitable for various applications. They can withstand heavy loads and resist deformation, making them ideal for structural purposes. 2. Versatility: Steel round bars come in a wide range of sizes, grades, and finishes, making them highly versatile. They can be easily customized to meet specific requirements, such as different lengths, diameters, and surface finishes. 3. Cost-effective: Steel round bars offer a cost-effective solution compared to other materials. Their abundance and efficient manufacturing processes make them readily available and affordable. Additionally, their high strength-to-weight ratio allows for the use of smaller quantities of steel while achieving the same level of strength. 4. Corrosion resistance: Steel round bars can be produced with different finishes, including galvanized or stainless steel, which enhances their resistance to corrosion. This makes them suitable for outdoor applications or in environments where they may come into contact with moisture or chemicals. 5. Machinability: Steel round bars are known for their excellent machinability, meaning they can be easily cut, drilled, or shaped to meet specific design requirements. This characteristic allows for efficient processing and reduces production costs. 6. Fire resistance: Steel is inherently fire-resistant and does not contribute to the spread of flames. This makes steel round bars a preferred choice in applications where fire safety is a concern, such as in construction or industrial settings. 7. Recyclability: Steel is highly recyclable, which makes steel round bars an environmentally friendly option. They can be easily melted down and reused to create new steel products without losing their properties or strength. Overall, the advantages of using steel round bars over other materials include their strength, durability, versatility, cost-effectiveness, corrosion resistance, machinability, fire resistance, and recyclability. These factors make steel round bars a preferred choice in various industries, including construction, manufacturing, automotive, and infrastructure projects.
Q:
Yes, steel round bars can be used as axles or shafts due to their high strength, durability, and ability to withstand heavy loads and torque. They are commonly used in various industries such as automotive, marine, and construction for their excellent mechanical properties and reliability.
Q:
Steel round bars have several advantages over wood round bars. Firstly, steel is much stronger and more durable than wood, making steel round bars a more reliable and long-lasting option. Steel round bars also have higher tensile strength, meaning they can withstand greater force without breaking. Additionally, steel is resistant to moisture, rot, and pests, making it a better choice for outdoor or high-moisture environments. On the other hand, wood round bars may be preferred in certain applications for their natural aesthetic appeal and lower cost. Overall, steel round bars offer superior strength, durability, and resistance to environmental factors compared to wood round bars.
Q:
Yes, steel round bars can be used for making tools. Steel is a commonly used material in tool manufacturing due to its high strength, durability, and resistance to wear and tear. Round bars provide a solid and versatile form that can be machined and shaped into various tool types, such as wrenches, hammers, chisels, and punches.
Q:
When comparing steel round bars and plastic round bars, it is important to note several key differences that impact their performance and suitability for different applications. Strength and durability play a significant role in determining the ideal choice for specific applications. Steel round bars are renowned for their exceptional strength and durability, making them perfect for applications that require high load-bearing capacity. They can withstand heavy loads without deforming or breaking. Conversely, plastic round bars are generally less strong and durable, making them more suitable for lighter applications where strength is not the primary concern. Weight is another factor to consider. Steel round bars are considerably heavier than plastic round bars due to differences in material density. This can be advantageous in applications where additional weight is desired for stability or balance. Conversely, plastic round bars are lighter and can offer benefits in weight reduction, which is particularly important in industries like aerospace or automotive. Corrosion resistance is a crucial consideration, especially in harsh environments or areas exposed to moisture. Steel round bars, particularly those made from stainless steel, are known for their excellent corrosion resistance. This makes them suitable for outdoor or corrosive environments. Conversely, plastic round bars are generally more susceptible to degradation caused by UV radiation, chemicals, or extreme temperatures. Consequently, they may not be as suitable for outdoor or corrosive environments. Versatility is yet another aspect to evaluate. Steel round bars offer a wide range of options in terms of size, shape, and grade. They can be machined, welded, bent, or shaped to suit various applications. While plastic round bars also come in different shapes and sizes, their versatility is somewhat limited compared to steel. They may not be as easily machined or welded, and their performance can be affected by temperature fluctuations. Cost is a significant factor to consider. Steel round bars are generally more expensive due to the higher costs associated with raw materials and manufacturing processes. On the other hand, plastic round bars are more affordable and can provide cost savings in certain applications. In conclusion, steel round bars offer superior strength, durability, and corrosion resistance, making them ideal for heavy-duty applications. Plastic round bars, on the other hand, are lighter, more affordable, and can be advantageous in applications where weight reduction is important. Ultimately, the choice between steel and plastic round bars depends on the specific requirements of the application and the trade-offs between strength, weight, cost, and corrosion resistance.

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