GB Q345 Steel Round Bar
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- China Main Port
- Payment Terms:
- TT OR LC
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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) |
| 17 | 226.865 | 1.78 |
| 18 | 254.34 | 2.00 |
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:How do you calculate the weight of a steel round bar based on its density and dimensions?
- To calculate the weight of a steel round bar, you need to multiply its density by its volume. The volume of a round bar can be calculated using the formula V = πr^2h, where r is the radius and h is the height. Once you have the volume, simply multiply it by the density of the steel to get the weight.
- Q:Can steel round bars be customized or fabricated?
- Indeed, customization or fabrication of steel round bars is possible to meet specific requirements. Various industries such as construction, manufacturing, and engineering commonly employ steel round bars. These bars can be customized in terms of diameter, length, surface finish, and even material composition. Diverse processes can be used for the customization of steel round bars. For instance, techniques like sawing or shearing can be utilized to cut the bars to the desired length. Heat and mechanical force can also be employed to bend or shape the bars, achieving specific angles or curves. Moreover, processes such as grinding, polishing, or coating can be applied to alter the surface finish of the bars. Moreover, fabrication of steel round bars can include the incorporation of additional features or components. For example, holes or slots can be drilled or machined into the bars to accommodate other parts or fasteners. Threading or grooving can also be implemented to facilitate easy assembly or connection with other components. In conclusion, steel round bars offer flexibility and versatility in meeting different requirements across industries. They can be customized or fabricated in various ways, whether it involves modifying dimensions, shape, surface finish, or incorporating additional features.
- Q:Can steel round bars be used in structural applications?
- Steel round bars are suitable for structural applications and commonly utilized in construction and engineering projects that prioritize strength and durability. They offer versatility and can function as beams, columns, and supports for various structural elements. Thanks to their exceptional mechanical properties, such as high tensile strength and good ductility, they can withstand heavy loads and resist deformation effectively. Moreover, their easy joinability to other structural components contributes to their popularity within the construction industry.
- Q:What is the hardness of a steel round bar?
- The hardness of a steel round bar can vary depending on the specific type of steel and the manufacturing process used. Steel is typically measured for hardness using the Rockwell hardness scale, which measures the depth of indentation caused by a specific load on a diamond or steel ball. Common hardness values for steel round bars can range from around 20 to 60 Rockwell C (HRC), with higher numbers indicating a harder material. However, it is important to note that the hardness of a steel round bar can also be influenced by factors such as heat treatment, alloying elements, and any surface treatments applied. Therefore, it is essential to consult the specific hardness specifications provided by the manufacturer or supplier to accurately determine the hardness of a steel round bar.
- Q:Can steel round bars be used in the production of sporting goods?
- Yes, steel round bars can be used in the production of sporting goods. Steel is a versatile material known for its strength and durability, making it suitable for various applications in the sporting goods industry. Steel round bars can be used to create components such as shafts, handles, frames, and supports in sporting equipment like golf clubs, hockey sticks, weightlifting bars, and exercise equipment. The high tensile strength of steel ensures that these components can withstand the forces and pressures exerted during sports activities, providing stability and longevity to the products. Moreover, steel round bars can be easily machined, welded, and molded into different shapes and sizes according to the specific requirements of each sporting good. Steel's corrosion resistance properties also make it ideal for outdoor sporting equipment that is exposed to various weather conditions. Overall, steel round bars are a popular choice in the production of sporting goods due to their strength, durability, versatility, and ability to withstand the demands of different sports.
- Q:Do steel round bars have a maximum load capacity?
- Steel round bars do possess a maximum load capacity. The load capacity is determined by several factors, including the bar's diameter, length, type and grade of steel, and the industry standards or specific application it is used for. Testing and analysis are typically employed to determine the load capacity, taking into account factors like yield strength, ultimate tensile strength, and the bar's ability to withstand bending or deformation under load. To maintain safety and structural integrity, it is crucial to refer to engineering specifications and guidelines to prevent exceeding the maximum load capacity of a steel round bar.
- Q:Can steel round bars be used in the construction of buildings?
- Yes, steel round bars can be used in the construction of buildings. Steel round bars are commonly used as reinforcement in concrete structures, such as columns, beams, and slabs. They provide additional strength and stability to the building, making it more resistant to structural loads and forces. The round shape of the bars allows for easy bending and shaping, making them versatile and suitable for various construction applications. Additionally, steel round bars are known for their high tensile strength, durability, and corrosion resistance, making them an ideal choice for long-lasting and reliable building construction.
- Q:What are the different types of steel round bar surface defects?
- There are several different types of surface defects that can occur on steel round bars. Some of the most common defects include: 1. Scale: This is a thin layer of oxide that forms on the surface of the steel during the manufacturing process. It appears as a rough, flaky or scaly texture and can be easily removed by pickling or abrasive cleaning. 2. Pitting: Pitting is a localized corrosion that appears as small, shallow holes or depressions on the surface of the steel. It is typically caused by exposure to corrosive substances or environments and can weaken the material if left untreated. 3. Surface cracks: These are small, visible cracks that appear on the surface of the steel round bar. They can be caused by various factors such as improper cooling during the manufacturing process, excessive stress, or improper handling. Surface cracks can reduce the structural integrity of the steel and should be carefully inspected and repaired if necessary. 4. Decarburization: This defect occurs when the surface layer of the steel loses its carbon content, leading to reduced hardness and strength. Decarburization is often caused by high temperatures during heat treatment or improper cooling methods. It can be detected through visual inspection or by conducting hardness tests. 5. Lamination: Lamination defects occur when there are layers or flakes within the steel round bar. These layers can cause weakness in the material and compromise its structural integrity. Lamination defects are typically caused by improper rolling or excessive impurities in the steel. 6. Inclusions: Inclusions are foreign materials or impurities that are trapped within the steel during the manufacturing process. They can appear as dark spots, streaks, or irregular shapes on the surface of the round bar. Inclusions can reduce the strength and ductility of the steel and can be caused by factors such as improper raw material quality or inadequate refining processes. It is important to note that surface defects in steel round bars can vary in severity and impact on the material's performance. Regular inspection and quality control measures are essential to identify and rectify any surface defects to ensure the integrity and reliability of the steel round bar.
- Q:What is the difference between a ground and a polished steel round bar?
- A ground steel round bar refers to a bar that has undergone a grinding process to achieve a smooth and precise outer surface. On the other hand, a polished steel round bar refers to a bar that has been polished to enhance its appearance, often resulting in a shiny and reflective surface. While both processes improve the surface quality of the bar, grinding focuses on accuracy and removing imperfections, while polishing is primarily done for aesthetic purposes.
- Q:How do steel round bars compare to aluminum round bars?
- Steel round bars are generally stronger and more durable than aluminum round bars. They have a higher tensile strength, making them suitable for heavy-duty applications that require high levels of strength and resistance to bending or deformation. Aluminum round bars, on the other hand, are lighter and more corrosion-resistant, making them ideal for applications that prioritize weight reduction and resistance to exposure to harsh environments. The choice between steel and aluminum round bars ultimately depends on the specific requirements of the application.
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GB Q345 Steel 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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