Q345 Steel Round Bar
- Ref Price:
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- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- 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: 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: What are the advantages of using bearing steel round bars?
- There are several advantages of using bearing steel round bars. Firstly, bearing steel has high hardness and wear resistance, which ensures durability and longevity of the bearings. Secondly, bearing steel has excellent dimensional stability and can withstand high temperatures, making it suitable for applications with heavy loads and high-speed rotations. Additionally, bearing steel round bars have excellent surface finish and low friction coefficient, resulting in smooth and efficient operation. Lastly, bearing steel has good corrosion resistance, reducing the risk of rust and prolonging the lifespan of the bearings.
- Q: What are the different international standards for steel round bars?
- There are several international standards that define the specifications and requirements for steel round bars. Some of the commonly used standards include: 1. ASTM A36/A36M: This standard covers carbon structural steel shapes, plates, and bars of structural quality for use in riveted, bolted, or welded construction of bridges and buildings. It specifies the chemical composition, mechanical properties, and dimensional tolerances for steel round bars. 2. ASTM A615/A615M: This standard specifies the requirements for deformed and plain carbon-steel bars for concrete reinforcement. It covers bars with sizes ranging from 6 to 60 mm in diameter and provides guidelines for chemical composition, mechanical properties, and bend tests. 3. BS 4449: This British Standard covers steel bars for the reinforcement of concrete. It outlines the requirements for carbon steel bars in various grades, including B500B and B500C. It specifies the tensile properties, chemical composition, and dimensional tolerances for these steel round bars. 4. DIN 17100: This German standard specifies the general structural steels, including steel round bars. It provides guidelines for the chemical composition, mechanical properties, and technical delivery conditions for different grades of steel bars. 5. JIS G3101: This Japanese Industrial Standard covers general structure rolled steel for various applications. It includes steel round bars and defines the chemical composition, mechanical properties, and dimensional tolerances for different grades of steel bars. 6. ISO 6935-2: This International Organization for Standardization standard specifies the requirements for hot-rolled steel bars for the reinforcement of concrete. It provides guidelines for the chemical composition, mechanical properties, and dimensional tolerances of steel round bars used in construction. These are just a few examples of the various international standards that exist for steel round bars. It is important to consult the appropriate standard based on the specific application and requirements to ensure compliance and quality of the steel round bars used.
- Q: What are the advantages of using mild steel round bars?
- There are several advantages of using mild steel round bars. Firstly, mild steel is a cost-effective material, making it an economical choice for various applications. Secondly, mild steel round bars have good weldability, making them easy to join and fabricate into different shapes and structures. Additionally, mild steel round bars offer excellent strength and durability, making them suitable for construction projects and other heavy-duty applications. Furthermore, mild steel has good resistance to corrosion, which enhances its longevity and reduces the need for maintenance. Lastly, mild steel is readily available and widely used, allowing for easy sourcing and compatibility with existing materials and equipment.
- 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: Are steel round bars prone to fatigue failure?
- Fatigue failure is a common occurrence in steel round bars, which can be attributed to repeated cyclic loading or stress. This leads to a gradual weakening of the material, eventually causing it to fail, even if the applied stress is below its ultimate strength. Due to their inherent characteristics, steel round bars, like other structural materials, are susceptible to fatigue failure. Various factors can contribute to fatigue failure in steel round bars, including improper design, inadequate material selection, manufacturing defects, and excessive cyclic loading. Additionally, surface defects, notches, stress concentrations, and corrosive environments can further accelerate the fatigue process. Engineers and designers take several measures to mitigate the risk of fatigue failure. These include implementing appropriate design practices, selecting high-quality materials, conducting thorough inspections, applying stress-relieving treatments, and considering the impact of cyclic loading during the structural design phase. It is important to understand that the susceptibility of steel round bars to fatigue failure depends on multiple factors, such as the specific steel grade, loading conditions, environmental factors, and overall structural design. Therefore, it is crucial to carefully assess these factors and employ appropriate mitigation measures to ensure the safe and reliable performance of steel round bars in various applications.
- Q: Can steel round bars be welded to other materials?
- Yes, steel round bars can be welded to other materials. Welding is a common method used to join different materials together, including steel round bars and various other materials such as aluminum, stainless steel, and even non-metallic materials like plastics. However, it is important to note that the compatibility of the materials being welded is crucial for a successful weld. The welding process requires the use of appropriate welding techniques, filler metals, and sometimes pre-heating or post-weld heat treatment to ensure a strong and durable bond between the steel round bar and the other material. It is also important to consider the specific application and the properties required for the joint to determine the most suitable welding method and materials.
- Q: What is the difference between a rough turned and a precision ground steel round bar?
- A rough turned steel round bar is a raw material that has undergone minimal machining, leaving a slightly rough surface finish. It is typically used for applications where a high level of precision is not required, such as structural components. On the other hand, a precision ground steel round bar is a finished product that has undergone precise machining to achieve a smooth and accurate surface finish. This process ensures tight dimensional tolerances and a consistent diameter throughout the length of the bar. Precision ground bars are commonly used in applications that require close dimensional control and a high level of accuracy, such as in machinery and tooling.
- Q: What are the advantages of using aluminum-silicon alloy steel round bars?
- One of the advantages of using aluminum-silicon alloy steel round bars is their high strength-to-weight ratio. This makes them lightweight yet robust, making them suitable for a wide range of applications where both strength and weight are important factors. Additionally, the alloy's excellent corrosion resistance properties make it highly durable and long-lasting, reducing maintenance and replacement costs. Another advantage is its good thermal conductivity, making it useful in applications that require efficient heat transfer. Overall, aluminum-silicon alloy steel round bars offer a combination of strength, lightness, corrosion resistance, and thermal conductivity, making them a versatile and advantageous material choice.
- Q: Can steel round bars be used for making rebar?
- No, steel round bars cannot be used for making rebar. Rebar, or reinforcing bar, is specifically designed and manufactured with deformations or ribs on its surface to enhance the bond with concrete. These deformations provide better grip and prevent slippage between the rebar and concrete, thus improving the structural integrity of a reinforced concrete structure. On the other hand, steel round bars have a smooth surface and lack the necessary deformations, making them unsuitable for rebar applications. It is important to use rebar that meets the required standards and specifications to ensure the safety and durability of the concrete structure.
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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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