Q345 Steel Round Bar
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- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
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- Supply Capability:
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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) |
| 50 | 1962.5 | 15.4 |
| 80 | 5024 | 39.5 |
| 100 | 7850 | 61.7 |
Packaging & Delivery of Steel Round Bar:
Packaging Detail: Standard seaworthy packing or as customer required; all goods are packed in bundle with steel strips and shipped by break bulk vessel or container
Delivery Detail: 45 days
Trade terms: FOB, CFR, CIF or as customer required
MOQ: 25 tons per specification; we can negotiate the quantity if the specification is normal or we have stock of one specification.
Weight: The price invoicing on theoretical weight basis or actual weight basis depends on customer’s request.
Shipment: The shipment of bulk break or container is depends on customer’s request.
Documents given: Full set (3/3) of original clean on board bill of lading; Original signed commercial invoice, in 3 originals and 3 copies; Original packing list in 3 originals and 3 copies; Policy of insurance; Certificate of origin and what the target market needs.
* 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 are steel round bars used in the mining industry?
- The mining industry extensively utilizes steel round bars for various purposes. Underground support systems heavily rely on these bars, commonly employed as roof bolts or rock bolts, to prevent cave-ins or roof falls. In the manufacturing of drilling equipment, steel round bars are frequently transformed into drill rods or drill bits. This conversion allows them to endure the challenging conditions associated with mining operations. The bars are typically subjected to heat treatment to enhance hardness and resistance to wear, ensuring their durability during drilling processes. Within the mining field, steel round bars have another significant application in the production of grinding media for grinding mills. Termed grinding rods, these bars consist of high-quality steel and possess specific hardness and toughness. Their function is to effectively reduce ore particles into smaller sizes, facilitating the extraction of valuable minerals. Furthermore, steel round bars contribute to the construction of conveyor systems in mining operations. They are commonly employed as support bars or rollers in conveyor belts, ensuring the efficient transportation of mined materials from one location to another. To summarize, steel round bars hold a crucial position in the mining industry. Their diverse applications, ranging from providing support in underground mines to manufacturing drilling equipment and grinding media, contribute to the overall efficiency and productivity of mining operations.
- Q:How do steel round bars perform under impact or shock loading?
- Steel round bars are known for their exceptional performance under impact or shock loading. Due to their high strength and toughness, steel round bars can withstand sudden forces and resist deformation or failure. The inherent properties of steel, such as its hardness and ductility, contribute to its ability to absorb energy and distribute it throughout the material, minimizing the impact on the structure. When subjected to impact or shock loading, steel round bars undergo plastic deformation, which allows them to absorb the applied energy without breaking. The ability to absorb energy is crucial in various applications, such as construction, automotive, and machinery industries, where components are often subjected to dynamic loads. Additionally, steel's excellent fatigue resistance further enhances its performance under impact or shock loading. Even when subjected to repeated impacts, steel round bars can withstand the cyclic loading without undergoing significant degradation in their mechanical properties. Moreover, steel round bars can be further enhanced through various heat treatment processes, such as quenching and tempering, to improve their resistance to impact or shock loading. These processes help to refine the microstructure of the steel, resulting in increased strength, toughness, and hardness. In conclusion, steel round bars have a remarkable performance under impact or shock loading. Their high strength, toughness, and ability to absorb energy make them reliable and widely used in applications where sudden forces or dynamic loads are expected.
- Q:Can the same grade steel instead of round bar be ok?
- Tolerable。1. grades of steel are different (chemical composition is different). Round steel (HPB235) is carbon steel, steel is Q235; thread steel is low alloy steel; HRB335 grade steel is 20MnSi (20 manganese silicon); HRB400 grade steel bars are 20MnSiV or 20MnSiNb or 20MnTi etc.;
- Q:What are the different types of steel round bars used in the manufacturing of valves and fittings?
- There are several different types of steel round bars commonly used in the manufacturing of valves and fittings. These include: 1. Carbon Steel Round Bars: Carbon steel round bars are the most commonly used type of steel in valve and fitting manufacturing. They are known for their strength, durability, and ability to withstand high temperatures and pressures. 2. Stainless Steel Round Bars: Stainless steel round bars are highly resistant to corrosion, making them ideal for use in valves and fittings that come into contact with liquids or gases. They are also known for their high strength and excellent mechanical properties. 3. Alloy Steel Round Bars: Alloy steel round bars are made by adding various alloying elements such as chromium, manganese, and nickel to carbon steel. This enhances their strength, hardness, and resistance to wear and tear, making them suitable for use in demanding valve and fitting applications. 4. Duplex Steel Round Bars: Duplex steel round bars are a type of stainless steel that contains a balanced mix of ferrite and austenite phases. This gives them a unique combination of excellent strength, corrosion resistance, and resistance to stress corrosion cracking, making them suitable for use in valves and fittings exposed to harsh environments. 5. Nickel Alloy Round Bars: Nickel alloy round bars are known for their exceptional resistance to corrosion and high-temperature applications. They offer excellent mechanical properties and are commonly used in valves and fittings that handle corrosive fluids or operate in extreme temperatures. It is important to select the appropriate type of steel round bar for valve and fitting manufacturing based on the specific requirements of the application, considering factors such as pressure, temperature, fluid compatibility, and environmental conditions.
- Q:What are the different mechanical properties of steel round bars?
- The different mechanical properties of steel round bars include tensile strength, yield strength, elongation, hardness, and impact resistance. Tensile strength refers to the maximum amount of stress a material can withstand before breaking. Yield strength is the stress at which a material begins to deform permanently. Elongation measures the amount of deformation a material can undergo before breaking. Hardness determines the material's resistance to indentation or scratching. Impact resistance is the ability of a material to absorb energy during sudden impacts without breaking.
- Q:What are the advantages of using nickel-silicon alloy steel round bars?
- There are several advantages of using nickel-silicon alloy steel round bars. Firstly, nickel-silicon alloy steel has excellent high-temperature strength and resistance to oxidation and corrosion. This makes it a suitable material for applications that involve exposure to extreme temperatures or harsh environments, such as in the aerospace and automotive industries. Secondly, nickel-silicon alloy steel round bars offer superior mechanical properties, including high tensile and yield strength. This makes them ideal for use in structural components that require high strength and durability, such as in construction and engineering projects. Additionally, nickel-silicon alloy steel round bars have excellent resistance to fatigue and wear, making them suitable for applications that involve repetitive stress or abrasive conditions. This ensures a longer lifespan and reduced maintenance requirements for the components made from this material. Furthermore, nickel-silicon alloy steel is known for its excellent magnetic properties, making it suitable for use in electromagnetic applications such as transformers, motors, and generators. Lastly, nickel-silicon alloy steel round bars can be easily machined and fabricated, allowing for greater design flexibility and ease of manufacturing. This makes it an economical choice for various industries, as it reduces production costs and lead times. In summary, the advantages of using nickel-silicon alloy steel round bars include high temperature resistance, excellent mechanical properties, resistance to fatigue and wear, superior magnetic properties, and ease of machining and fabrication.
- Q:Can steel round bars be heat treated?
- Yes, steel round bars can be heat treated. Heat treatment is a process that involves heating and cooling the steel in a controlled manner to alter its physical and mechanical properties. There are several types of heat treatment processes that can be applied to steel round bars, including annealing, normalizing, quenching, and tempering. Annealing is a heat treatment process that involves heating the steel to a specific temperature and holding it there for a certain period of time, followed by slow cooling. This process is used to soften the steel, improve its machinability, and reduce internal stresses. Normalizing is similar to annealing, but the cooling process is done in air. It is often used to refine the grain structure of the steel and improve its overall strength and toughness. Quenching is a rapid cooling process that involves immersing the steel round bars in a quenching medium, such as oil or water, to quickly cool it down. This process hardens the steel and increases its strength and hardness. However, it also makes the steel more brittle, so it is often followed by a tempering process to reduce brittleness and improve toughness. Tempering is a process that involves reheating the hardened steel to a specific temperature and holding it there for a certain period of time, followed by slow cooling. This process helps to reduce the hardness and brittleness caused by quenching, while still maintaining a desirable level of strength and toughness. Overall, heat treatment is a versatile process that can be applied to steel round bars to achieve a wide range of desired properties, such as hardness, strength, toughness, and machinability.
- Q:Can steel round bars be used in the production of packaging equipment?
- Yes, steel round bars can be used in the production of packaging equipment. Steel round bars are commonly used in the manufacturing industry due to their high strength and durability. They can be used to construct various components such as shafts, rods, or rollers, which are essential for the proper functioning of packaging equipment. Steel round bars also offer excellent resistance to wear and tear, making them ideal for heavy-duty applications in the packaging industry.
- Q:What is the difference between a cold-drawn and a centerless ground steel round bar?
- A cold-drawn steel round bar and a centerless ground steel round bar are both types of steel bars that have undergone different manufacturing processes, resulting in different characteristics and properties. Cold-drawn steel round bars are produced by pulling a hot-rolled or annealed steel bar through a die to reduce its diameter and increase its length. This process improves the mechanical properties of the steel, making it stronger, more precise in dimensions, and with a smoother surface finish. Cold-drawn bars have a higher tensile strength, better surface finish, and tighter dimensional tolerances compared to hot-rolled bars. They are commonly used in applications where precision and strength are required, such as in automotive components, machinery parts, and construction materials. On the other hand, centerless ground steel round bars are produced by passing a cylindrical steel bar through a grinding machine without the need for centers or support. The grinding process removes surface imperfections and deviations in diameter, resulting in a precise and smooth finish. Centerless ground bars offer excellent dimensional accuracy, surface finish, and roundness. They are often used in applications where precision and tight tolerances are critical, such as in the manufacturing of bearings, shafts, and hydraulic cylinders. In summary, the main difference between a cold-drawn steel round bar and a centerless ground steel round bar lies in the manufacturing process and the resulting properties. Cold-drawn bars are formed by pulling the steel through a die, resulting in improved mechanical properties, tighter tolerances, and a smoother surface finish. Centerless ground bars are produced by grinding the steel to enhance dimensional accuracy, roundness, and surface finish. Both types of bars have their own advantages and are suited for different applications based on the required precision, strength, and surface finish.
- Q:Can steel round bars be used for making control arms?
- Yes, steel round bars can be used for making control arms. Control arms are important components of a suspension system in vehicles, which connect the chassis to the wheel hub. They are subjected to significant forces and stresses during operation, including torsion, bending, and compression. Steel round bars, particularly those made from high-strength steel alloys, possess excellent mechanical properties, such as high tensile strength, good ductility, and high fatigue resistance, making them suitable for control arm applications. Additionally, steel round bars can be easily machined and welded, allowing for the creation of complex and precise control arm designs. However, it is important to ensure that the selected steel round bars meet the required specifications and standards for control arm fabrication, including dimensional accuracy, material composition, and quality control.
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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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