GB Standard 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)
13	132.665	1.04
14	153.86	1.21

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:What are the advantages of using steel round bars over other materials?: There are several advantages of using steel round bars over other materials. Firstly, steel round bars offer exceptional strength and durability, making them ideal for high-stress applications. Secondly, steel has excellent heat resistance, making it suitable for use in extreme temperature environments. Additionally, steel round bars exhibit excellent machinability, allowing for easy fabrication and customization. Moreover, steel is highly resistant to corrosion, ensuring longevity and reduced maintenance costs. Lastly, steel round bars are readily available in various sizes and grades, offering versatility for a wide range of construction and industrial projects.

Q:What are the advantages of using weather-resistant steel round bars?: There are several advantages to using weather-resistant steel round bars. Firstly, weather-resistant steel round bars are designed to withstand the effects of harsh weather conditions. They are specifically formulated to resist corrosion, rust, and other forms of degradation caused by exposure to rain, snow, humidity, and even saltwater environments. This makes them highly suitable for outdoor applications, such as construction projects, marine structures, and infrastructure in coastal areas. Secondly, the use of weather-resistant steel round bars eliminates the need for additional protective coatings or treatments. Unlike regular steel, which requires regular maintenance and painting to prevent rust and corrosion, weather-resistant steel round bars possess a natural protective layer that forms on the surface, known as patina. This patina acts as a barrier against further corrosion, reducing the overall maintenance requirements and extending the lifespan of the material. Thirdly, weather-resistant steel round bars offer exceptional strength and durability. They are manufactured using a special alloy composition, which enhances their mechanical properties and makes them highly resistant to impact, bending, and fatigue. This makes them ideal for structural applications where strength and reliability are crucial, such as in bridges, building frameworks, and heavy machinery. Additionally, weather-resistant steel round bars have aesthetic advantages. The unique patina that develops on the surface of these bars gives them a distinctive appearance, often described as an attractive and warm reddish-brown color. This natural weathered look can be desirable for architectural and design purposes, adding a visually appealing element to structures and outdoor installations. Lastly, the use of weather-resistant steel round bars contributes to sustainability and cost-effectiveness. Due to their long lifespan and low maintenance requirements, these bars offer a more sustainable solution compared to traditional steel, which often requires frequent painting and replacement. Furthermore, the initial investment in weather-resistant steel round bars may be higher than regular steel, but the long-term savings in maintenance and replacement costs make them a cost-effective choice in the long run. In conclusion, the advantages of using weather-resistant steel round bars include their ability to withstand harsh weather conditions, eliminate the need for additional protective coatings, provide exceptional strength and durability, offer aesthetic appeal, and contribute to sustainability and cost-effectiveness.

Q:What is the difference between a bright and a rough turned steel round bar?: A bright turned steel round bar refers to a steel bar that has undergone a finishing process, resulting in a smooth and polished surface. On the other hand, a rough turned steel round bar has a more textured surface due to minimal finishing, giving it a rougher appearance.

Q:Difference between forging and round steel: The castings need to be uniform in each piece without any porosity, excess space, inclusions, or other defects. The component produced by this method has a high ratio of strength to weight. These elements are usually used in aircraft structures.

Q:What are the advantages of using free-cutting steel round bars?: There are several advantages to using free-cutting steel round bars. Firstly, they offer improved machinability, which means they can be easily and efficiently machined into various shapes and sizes without excessive tool wear or power consumption. This leads to increased productivity and reduced manufacturing costs. Additionally, free-cutting steel round bars have excellent chip formation properties, resulting in better surface finish and dimensional accuracy of the machined parts. They also exhibit enhanced surface hardness and wear resistance, making them suitable for applications that require durability and strength. Lastly, these bars are readily available and cost-effective, making them a preferred choice for many industries.

Q:Can steel round bars be used in the manufacturing of kitchenware?: Steel round bars have the potential to be utilized in the fabrication of kitchenware. Steel, being a long-lasting and adaptable substance, is frequently employed in the manufacturing of kitchen utensils and cookware. With the aid of shaping and molding techniques, steel round bars can be transformed into a wide range of kitchenware objects, including pots, pans, knives, spoons, and forks. The sturdiness and ability to withstand high temperatures make steel a perfect choice for cooking and food preparation. Furthermore, steel is uncomplicated to tidy, hygienic, and impervious to corrosion, rendering it an ideal material for kitchenware applications.

Q:How are steel round bars measured?: Steel round bars are measured by their diameter, which is typically specified in millimeters or inches. The measurement is taken by using a caliper or a micrometer at various points along the bar, ensuring accuracy and consistency.

Q:What is the difference between a cold-drawn and a polished steel round bar?: The manufacturing processes and resulting properties of a cold-drawn steel round bar and a polished steel round bar are different. To produce a cold-drawn steel round bar, a hot-rolled steel bar is pulled or drawn through a die or series of dies at room temperature. This reduces its diameter and increases its length. This process imparts specific characteristics to the steel. Cold-drawn steel bars have a smooth and shiny surface, with tight dimensional tolerances and improved mechanical properties. The cold drawing process refines the microstructure of the steel, making it stronger, more uniform, and less prone to defects. These bars are commonly used in applications that require high strength, precision, and resistance to fatigue, such as automotive components, machinery, and tooling. In contrast, a polished steel round bar undergoes a different treatment process. Once the steel bar is formed, it undergoes polishing, which involves grinding or buffing the surface to achieve a smooth and reflective finish. Polished steel bars have a shiny and mirror-like appearance due to the removal of surface imperfections and contaminants. This process is primarily done for aesthetic purposes and does not significantly alter the mechanical properties of the steel. Polished steel round bars are commonly used in decorative applications, architectural designs, and furniture. In conclusion, the main distinction between a cold-drawn and a polished steel round bar lies in their manufacturing processes and intended applications. Cold-drawn bars go through a precise cold drawing process to enhance their mechanical properties, while polished bars undergo surface polishing for an aesthetically pleasing finish.

Q:What are the different types of steel round bar surface finishes used in the aerospace industry?: In the aerospace industry, various types of steel round bar surface finishes are employed to meet specific requirements and enhance the performance of components. Some of the common surface finishes used in the aerospace industry include: 1. Smooth Finish: This is the most basic surface finish, where the steel round bar is left with a smooth, untreated surface. It is often used when the component does not require any specific surface treatment or when further processing is needed. 2. Polished Finish: Polishing the steel round bar surface improves its aesthetic appeal and provides a high-quality, reflective surface. It can be used to enhance the appearance of aerospace components, especially those visible to passengers or in the cabin area. 3. Shot Peened Finish: Shot peening is a surface treatment process that involves bombarding the steel round bar with small metal particles or beads. This process creates compressive stresses on the surface, improving fatigue resistance and reducing the risk of stress corrosion cracking. 4. Anodized Finish: Anodizing is an electrochemical process that forms a protective oxide layer on the steel round bar's surface. This finish provides improved corrosion resistance and can be used to add color or improve paint adhesion for aerospace components. 5. Passivated Finish: Passivation involves treating the steel round bar surface with an acid solution to remove impurities and create a protective oxide layer. This finish enhances corrosion resistance, particularly in environments where exposure to moisture or chemicals is likely. 6. Zinc or Nickel Plated Finish: Plating the steel round bar with zinc or nickel can provide enhanced corrosion resistance, especially in harsh environments. These finishes are commonly used for aerospace components exposed to saltwater or acidic conditions. 7. Black Oxide Finish: Black oxide coating is a chemical conversion process that forms a black protective layer on the steel round bar. It offers increased corrosion resistance and can also provide an appealing black appearance to the component. 8. Chrome Plated Finish: Chrome plating involves depositing a thin layer of chromium onto the steel round bar's surface. This finish provides excellent wear resistance and can be used for aerospace components subjected to high friction or abrasion. These various types of steel round bar surface finishes in the aerospace industry serve different purposes, such as corrosion resistance, wear resistance, improved aesthetics, or fatigue resistance. The selection of the appropriate finish depends on the specific requirements and performance expectations of the aerospace component in question.

Q:How are steel round bars used in the construction of offshore structures?: Steel round bars are commonly used in the construction of offshore structures due to their high strength and durability. These bars are typically made from carbon steel or alloy steel, which are known for their excellent mechanical properties. In offshore construction, steel round bars are primarily used to provide structural support and reinforcement. They are used in various applications, such as the construction of oil rigs, offshore platforms, pipelines, and subsea structures. One of the key uses of steel round bars is in the fabrication of piles. Piles are long, cylindrical structures that are driven into the seabed to provide a stable foundation for offshore structures. These piles are typically made from steel round bars due to their ability to withstand the harsh marine environment and high loads. Steel round bars are also used in the construction of offshore platforms. These platforms are large, elevated structures that provide a workspace for oil and gas exploration and production activities. The steel round bars are used to create the framework of the platform, forming the main structural elements such as columns, beams, and trusses. These bars are often welded or bolted together to create a strong and rigid structure capable of withstanding extreme weather conditions and heavy loads. Furthermore, steel round bars are utilized in the construction of pipelines that transport oil and gas from offshore wells to onshore facilities. These bars are used to create the pipeline supports, ensuring that the pipeline remains stable and securely fastened to the seabed. In conclusion, steel round bars play a vital role in the construction of offshore structures. Their high strength, durability, and ability to withstand harsh marine environments make them an ideal choice for providing structural support and reinforcement in offshore construction projects.

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