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:Can steel round bars be used for hydraulic cylinder applications?
- Yes, steel round bars can be used for hydraulic cylinder applications. Steel round bars are commonly used in the manufacturing of hydraulic cylinders due to their high strength, durability, and resistance to corrosion. Additionally, steel round bars can be machined to precise dimensions, allowing for the creation of custom hydraulic cylinder components.
- Q:Are steel round bars resistant to corrosion?
- Yes, steel round bars can be resistant to corrosion depending on the type of steel and the environment they are exposed to. Stainless steel round bars, for example, contain chromium which forms a thin passive layer on the surface that protects against corrosion. This layer is self-repairing and provides excellent resistance to corrosion in many environments, including moisture, chemicals, and saltwater. However, carbon steel round bars are not inherently corrosion-resistant and may require additional protective coatings or treatments to prevent corrosion. Therefore, it is important to consider the specific type of steel and the intended application when determining the corrosion resistance of 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:Can steel round bars be used in the textile industry?
- Limited applications exist where steel round bars can be utilized in the textile industry. Although textiles are mainly composed of natural or synthetic fibers, steel round bars can be employed in the machinery and equipment employed in textile production. These bars commonly serve as the foundation for frames, supports, and other structural components of textile machinery. For instance, steel round bars can be employed to construct the frames of looms, which are essential for fabric weaving. Additionally, they can be integrated into the fabrication of spinning machines, knitting machines, and other textile manufacturing equipment. Furthermore, steel round bars can function as a base or support for textile drying racks, storage systems, or conveyor systems. The strength and durability of steel make it an appropriate material for withstanding the rigorous demands of industrial textile production. However, it is worth noting that steel round bars are not directly incorporated into the fabric or textile products themselves.
- Q:What are the advantages of using tungsten-alloy steel round bars?
- There are several advantages of using tungsten-alloy steel round bars. Firstly, tungsten imparts high strength and durability, making these bars suitable for heavy-duty applications. Secondly, tungsten improves the hardness and wear resistance of the steel, increasing its lifespan and reducing the need for frequent replacements. Additionally, tungsten-alloy steel round bars exhibit excellent heat resistance and can withstand high temperatures without losing their mechanical properties. Lastly, these bars have superior corrosion resistance, making them ideal for use in harsh environments or corrosive conditions.
- Q:What are the different types of heat treatments used for steel round bars?
- Steel round bars can undergo various heat treatments to enhance their physical and mechanical properties for specific uses. 1. Annealing: To improve ductility and ease of workability, the steel is heated to high temperatures and gradually cooled, typically in a furnace. This relieves internal stresses and reduces the likelihood of cracking. 2. Normalizing: Similar to annealing, normalizing involves heating the steel to high temperatures and allowing it to cool in still air. This process refines the grain structure, leading to improved strength and toughness. 3. Quenching and tempering: This treatment involves rapidly cooling the steel after heating it to high temperatures, using liquids like oil or water. Quenching hardens the steel, increasing its strength and resistance to wear and deformation. However, this process can render the steel brittle, so tempering follows, which entails reheating the steel to lower temperatures and gradually cooling it. Tempering reduces brittleness while maintaining strength. 4. Case hardening: This treatment creates a hardened outer layer on the steel's surface while preserving a softer, more ductile core. By heating the steel with a carbon-rich material like charcoal or gas, carbon diffuses into the surface, forming a wear-resistant layer. The core remains tough and able to withstand shocks. 5. Stress relieving: This treatment alleviates internal stresses resulting from manufacturing processes like machining or welding. The steel is heated below its critical point and slowly cooled, effectively reducing residual stresses and enhancing dimensional stability. These represent only a selection of the common heat treatments employed for steel round bars. The choice of treatment depends on the desired properties and intended applications of the steel.
- Q:Can steel round bars be used in the manufacturing of office furniture?
- Office furniture can indeed utilize steel round bars. Steel, being a versatile and enduring material, can be molded into various shapes, including round bars. These bars are useful as structural elements in office furniture, such as table legs, chair frames, and support beams. They provide the furniture with strength and steadiness, making them suitable for heavy usage in office settings. Furthermore, steel can be finished in diverse manners, such as powder coating or chrome plating, to enhance its appearance and match the office space's aesthetic. All in all, the utilization of steel round bars in the production of office furniture offers both durability and stability, while also providing a contemporary appearance.
- Q:What are the different types of steel alloys used for round bars?
- There are various types of steel alloys used for round bars, including carbon steel, stainless steel, alloy steel, tool steel, and high-speed steel. Each type has unique properties and characteristics that make it suitable for different applications. Carbon steel is widely used for its strength and affordability, while stainless steel offers excellent corrosion resistance. Alloy steel is known for its durability and versatility, while tool steel is specifically designed for cutting and shaping tools. High-speed steel is used for its ability to withstand high temperatures and retain its hardness.
- Q:What is the difference between a hot-rolled and a cold-drawn steel round bar?
- The main difference between a hot-rolled and a cold-drawn steel round bar lies in the manufacturing process. Hot-rolled steel round bars are formed by heating and rolling the steel at high temperatures, resulting in a rougher surface finish and less precise dimensions. On the other hand, cold-drawn steel round bars are formed by pulling the steel through a die at room temperature, resulting in a smoother surface finish and more precise dimensions. Cold-drawn steel round bars also tend to have improved mechanical properties and a higher strength-to-weight ratio compared to hot-rolled steel round bars.
- Q:What is the maximum nitrogen content allowed for steel round bars?
- The maximum nitrogen content allowed for steel round bars varies depending on the specific steel grade and application requirements. However, in general, the nitrogen content is typically limited to around 0.025-0.035% to maintain the desired mechanical properties and avoid detrimental effects on the material's performance.
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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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