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) |
| 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?
- There are several important considerations when it comes to the storage and handling of steel round bars. Firstly, it is crucial to have a clean and dry storage area that is free from moisture and corrosive materials. This will help prevent damage to the bars, such as rust. To prevent deformation or sagging, the steel round bars should be stored horizontally on racks or a flat surface. It is advisable to stack them in a manner that avoids putting excessive pressure on any individual bar, as this can cause bending or warping. For safe handling, it is recommended to use appropriate lifting equipment like cranes, forklifts, or hoists. Manual handling should be minimized, as steel bars can be heavy and difficult to maneuver. When using lifting equipment, it is important to secure and balance the bars properly to prevent accidents or injuries. Furthermore, 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. Wearing proper personal protective equipment (PPE) is necessary to minimize the risk of cuts, abrasions, or other injuries. Regular inspections should be carried out to check for any signs of damage, such as dents, cracks, or corrosion. Damaged bars should be separated and either repaired or discarded, depending on the severity of the damage. By adhering to these storage and handling guidelines, you can ensure the durability and quality of steel round bars, while also creating a safe working environment for yourself and others.
- Q: Can steel round bars be extruded?
- No, steel round bars cannot be extruded. Extrusion is a manufacturing process mainly used for creating objects with a fixed cross-sectional profile. Steel round bars are typically produced through hot rolling or cold drawing methods.
- Q: What are the advantages of using precipitation-hardening steel round bars?
- Using precipitation-hardening steel round bars in various applications has several advantages. Firstly, these bars provide exceptional strength and hardness, making them suitable for industries that require robust and durable materials. The precipitation-hardening process involves heat treatment, which enhances the steel's strength and resistance to wear, deformation, and fatigue. Secondly, precipitation-hardening steel round bars exhibit excellent corrosion resistance. This makes them ideal for applications in marine environments or industries where exposure to harsh chemicals or corrosive substances is common. The steel's resistance to corrosion ensures the longevity and reliability of components or structures made from it. Another advantage is the versatility of these bars. They can be easily machined, welded, and forged, allowing for flexibility in design and fabrication processes. This makes them suitable for a wide range of applications, including aerospace, automotive, construction, and oil and gas industries. Furthermore, precipitation-hardening steel round bars offer good dimensional stability. Their low rates of thermal expansion mean they retain their shape and size even under extreme temperature variations. This characteristic is particularly important in precision engineering or tool manufacturing, where dimensional accuracy and stability are crucial. Lastly, the availability of a wide range of grades and sizes of precipitation-hardening steel round bars makes it easier to find the most suitable option for specific requirements. Different grades offer varying levels of strength, toughness, and corrosion resistance, allowing for tailored solutions to meet different application needs. Overall, the advantages of using precipitation-hardening steel round bars include exceptional strength, corrosion resistance, versatility, dimensional stability, and availability in various grades. These advantages make them the preferred choice for many industries requiring high-performance and durable materials.
- Q: What are the different types of steel round bar surface finishes for improved aesthetics?
- Some common types of steel round bar surface finishes for improved aesthetics include polished, brushed, satin, and bead blasted finishes.
- Q: What is the difference between a ground and a polished steel round bar?
- A ground steel round bar and a polished steel round bar differ in their surface finish and appearance. A ground steel round bar is subjected to a grinding process, where a grinding wheel or belt is used to remove any surface imperfections, such as roughness or irregularities. This process results in a smooth and even surface finish. Ground steel round bars are often used in applications where precision and tight tolerances are required, such as in machinery or automotive components. On the other hand, a polished steel round bar undergoes a polishing process, where abrasive materials such as polishing compounds or buffing wheels are used to create a high shine and reflective surface. This process enhances the aesthetics of the steel bar, making it more visually appealing. Polished steel round bars are commonly used in decorative applications, architectural projects, or in industries where a visually pleasing appearance is desired, such as jewelry or interior design. In summary, while both ground and polished steel round bars serve different purposes, the main difference lies in their surface finish. Ground steel round bars prioritize precision and smoothness, while polished steel round bars prioritize a shiny and reflective appearance.
- Q: Can steel round bars be used in the manufacturing of home decor?
- Yes, steel round bars can definitely be used in the manufacturing of home decor. Steel round bars are versatile and durable materials that can be shaped, welded, and manipulated into various forms and designs. They can be used to create decorative elements such as candle holders, wall art, sculptures, furniture accents, and more. Steel round bars can be polished, painted, or left in their natural state to suit different interior design styles. Additionally, steel is a strong and long-lasting material, making it ideal for home decor items that need to withstand regular use and maintain their appearance over time.
- Q: Embedded bolts M24 why use M25 round steel?
- Such as using 24 of the round steel, worried about the surface quality of steel when the processing can not be nominal diameter 24 of the standard thread, of course, the election is too large and wasteful, so generally choose 25 of the round bar,
- Q: What are the different finishes available for steel round bars?
- There are several different finishes available for steel round bars, each of which serves a specific purpose and provides distinct benefits. Some of the most common finishes include: 1. Hot Rolled: This finish is achieved by heating the steel above its recrystallization temperature and then rapidly cooling it. It results in a rough, scaly surface texture that provides excellent corrosion resistance and durability. 2. Cold Rolled: In this process, the steel is rolled at room temperature, resulting in a smooth and polished finish. Cold rolled steel round bars are known for their precise dimensions, tight tolerances, and improved surface finish. 3. Bright Drawn: This finish involves subjecting the steel round bars to a drawing process, where they are pulled through a die to achieve the desired shape and size. It leaves the surface smooth, bright, and free from any imperfections or defects. 4. Polished: Polishing is typically done after the steel round bars have been cold rolled or drawn. It involves using abrasive materials or chemical treatments to remove any surface imperfections and create a highly reflective finish. Polished steel round bars are often used in decorative applications. 5. Ground: Grinding is a process where the steel round bars are subjected to abrasive wheels to remove any surface imperfections or irregularities. It results in a smooth and even finish, making the bars suitable for applications where tight tolerances and uniformity are required. 6. Galvanized: Galvanizing is a coating process where the steel round bars are dipped in a bath of molten zinc. This creates a protective layer that prevents corrosion and increases the lifespan of the bars, making them suitable for outdoor applications or environments with high humidity or moisture. These different finishes offer a range of properties and appearances, allowing steel round bars to be used in various industries and applications such as construction, automotive, manufacturing, and engineering. It is important to consider the specific requirements and conditions of the intended use when selecting the appropriate finish for steel round bars.
- Q: Can steel round bars be used for making universal joints?
- Yes, steel round bars can be used for making universal joints. Steel round bars are commonly used in the manufacturing of universal joints due to their strength, durability, and ability to handle high torque and rotational forces.
- Q: What are the different testing methods used for steel round bars?
- Steel round bars undergo various testing methods to guarantee their quality and suitability for different applications. These methods encompass: 1. Visual Inspection: In this preliminary step, the bars are visually assessed for any discernible defects, such as cracks, surface irregularities, or incorrect dimensions. 2. Dimensional checks: To verify their diameter, length, and straightness, steel round bars are subject to dimensional scrutiny. Accurate measurements are imperative to meet specified requirements. 3. Ultrasonic Testing: Internal defects like cracks, voids, or inclusions are detected by passing ultrasonic waves through the round bars. This method identifies potential weaknesses that could compromise the bars' structural integrity. 4. Magnetic Particle Inspection: By utilizing a magnetic field and magnetic particles, this method identifies surface and near-surface defects like cracks, seams, or laps. It is especially advantageous for ferromagnetic materials like steel. 5. Dye Penetrant Inspection: This technique involves applying a colored dye to the round bars' surface and subsequently wiping it off. The dye seeps into any surface cracks or defects, making them visible under ultraviolet light. 6. Hardness Testing: To gauge the hardness of steel round bars, hardness testing is conducted using methods like Rockwell or Brinell scales. It assists in determining the material's ability to withstand external forces and ensures compliance with required hardness specifications. 7. Tensile Testing: This test measures the maximum load a steel round bar can bear before fracturing, providing insight into the material's strength and ductility. 8. Chemical Analysis: Chemical analysis is performed to ascertain the composition of the steel round bars, including the presence of elements like carbon, manganese, sulfur, phosphorus, and others. It guarantees adherence to the required chemical composition standards. These testing methods are vital in ensuring that steel round bars meet industry standards and customer requirements in terms of quality, reliability, and compliance. Employing a combination of these tests is essential to ensure overall quality and performance in various applications.
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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
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