GB Q345 Steel Round Bar

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Loading Port:: 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 store and handle steel round bars?: When it comes to storing and handling steel round bars, there are several important factors to consider. Firstly, it is crucial to ensure that the storage area is clean, dry, and free from any moisture or corrosive materials. This will help prevent rust and other forms of damage to the steel bars. The steel round bars should be stored horizontally, either on racks or on a flat surface, to prevent deformation or sagging. It is recommended to stack them in a way that avoids excessive pressure on any individual bar, as this could lead to bending or warping. To handle steel round bars safely, it is best to use appropriate lifting equipment such as cranes, forklifts, or hoists. Manual handling should be avoided whenever possible, as steel bars can be heavy and cumbersome. When using lifting equipment, it is important to ensure that the bars are properly secured and balanced to prevent accidents or injuries. In addition, it is essential to use protective measures such as gloves and safety shoes when handling steel round bars, as they may have sharp edges or rough surfaces. Proper personal protective equipment (PPE) should be worn to minimize the risk of cuts, abrasions, or other injuries. Regular inspections should be conducted to check for any signs of damage, such as dents, cracks, or corrosion. Any damaged bars should be separated from the rest and either repaired or discarded, depending on the severity of the damage. By following these guidelines for storage and handling, you can ensure the longevity and quality of steel round bars, while also maintaining a safe working environment for yourself and others.

Q: How do you determine the hardness of a steel round bar?: There are various methods available to determine the hardness of a steel round bar. One commonly used method is the Rockwell hardness test, where a minor load is applied to the bar's surface using a diamond or hardened steel ball, followed by a major load. The depths of penetration for both loads are measured, and the hardness value is determined based on the difference between these depths. Another method is the Brinell hardness test, which involves indenting the steel bar's surface using a hardened steel ball under a specific load. The resulting indentation's diameter is measured, and the hardness value is calculated based on the load and indentation diameter. Alternatively, the Vickers hardness test can also be utilized. This test employs a diamond pyramid-shaped indenter applied to the steel bar's surface under a specific load. The size of the indentation is measured, and the hardness value is determined based on the load and indentation's surface area. It's important to consider that the choice of method depends on factors such as the steel type and desired accuracy of the measurement. Moreover, other factors like heat treatment and composition can impact the steel bar's hardness, so they should be taken into account during hardness determination.

Q: Can steel round bars be extruded?: Steel round bars cannot be extruded; instead, they are typically produced through a different process called hot rolling. In hot rolling, a cylindrical billet is heated and passed through a series of rollers to achieve the desired diameter and length. Extrusion, on the other hand, is a manufacturing process that involves forcing material through a die to create specific shapes or profiles. While steel can be extruded into various shapes such as tubes, channels, or angles, round bars are not typically produced in this way.

Q: What are the different types of steel round bars used in the defense industry?: There are various types of steel round bars used in the defense industry, including but not limited to carbon steel, alloy steel, stainless steel, and tool steel. Each type has specific properties that make them suitable for different applications within the defense sector.

Q: Can steel round bars be used for making furniture?: Yes, steel round bars can be used for making furniture. Steel is a durable and sturdy material, which makes it suitable for creating various types of furniture such as tables, chairs, and shelves. The round bars can be shaped and welded to fit the desired design, providing a modern and industrial look to the furniture.

Q: Can steel round bars be welded?: Yes, steel round bars can be welded.

Q: Can steel round bars be used for making renewable energy systems?: Yes, steel round bars can be used for making renewable energy systems. Steel is a versatile and durable material that can be used in various components of renewable energy systems such as wind turbines, solar panel frames, and hydroelectric power plants. Its strength and resistance to corrosion make it suitable for withstanding the harsh conditions often encountered in renewable energy applications.

Q: Can steel round bars be used for making gates?: Yes, steel round bars can be used for making gates. Steel round bars are strong and durable, making them suitable for gate construction. They can be welded together to create a sturdy gate frame, and can also be used for decorative elements or as pickets. Additionally, steel round bars can be easily customized and shaped to fit the desired gate design.

Q: Can steel round bars be used for making springs?: Yes, steel round bars can be used for making springs. Steel is a commonly used material for springs due to its strength, durability, and flexibility. Round bars can be machined and shaped into the desired form for different types of springs, making them suitable for various applications.

Q: Can steel round bars be used in the manufacturing industry?: Yes, steel round bars are commonly used in the manufacturing industry for various applications such as machinery, construction, automotive, and aerospace. They are known for their strength, durability, and versatility, making them an ideal material for manufacturing components, tools, and structures.

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