Q345 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)
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 manufactured?: Steel round bars are typically manufactured through a process known as hot rolling, where a large steel billet is heated and passed through a series of rollers which gradually shape and size it into a round bar. This process ensures the bar's uniformity, strength, and durability, making it suitable for various applications in industries such as construction, manufacturing, and engineering.

Q:What are the different surface treatments for steel round bars?: Steel round bars offer a variety of surface treatments, each serving a specific purpose and offering unique advantages. Here are some of the most common treatments: 1. Hot-dip galvanizing: To prevent corrosion and rusting, steel round bars are immersed in molten zinc, creating a protective coating. This treatment is ideal for outdoor or corrosive environments. 2. Painting: Applying paint not only enhances the appearance of steel round bars but also protects them from moisture and oxidation. It is commonly used for decorative purposes or when a specific color is desired. 3. Powder coating: Dry powder is applied to the steel round bars and then cured under heat, resulting in a durable and appealing finish. This treatment provides excellent resistance to impact, chemicals, and UV rays. 4. Electropolishing: A smooth and shiny finish is achieved by using an electric current and an electrolyte solution to remove a thin layer from the steel round bars' surface. It enhances the appearance and corrosion resistance, making it suitable for applications requiring cleanliness and aesthetics. 5. Passivation: An acid solution is used to remove any free iron or iron oxide from the surface of steel round bars, improving their corrosion resistance. This treatment is commonly used for stainless steel round bars to increase longevity and prevent staining or rusting. 6. Shot blasting: Small steel balls or particles are propelled at high velocity onto the steel round bars, removing contaminants, scale, or rust. This results in a clean and roughened surface, improving adhesion for subsequent coatings or treatments. 7. Chrome plating: A thin layer of chromium is electroplated onto the surface of steel round bars, providing corrosion resistance, wear resistance, and a shiny appearance. This treatment is suitable for applications requiring durability and aesthetics. The choice of surface treatment for steel round bars depends on specific requirements such as corrosion resistance, aesthetics, or wear resistance. Before selecting a treatment, it is important to carefully consider the intended use and environmental conditions.

Q:What kind of steel bars are used in general civil buildings?: In the general construction of commonly used hot rolled round bar (commonly known as round steel), hot rolled ribbed steel bars (commonly known as steel), the two most widely used steel. Identified as HPB235, the diameter of 6.5, 8, 10, 12, and then rough is not commonly used, and in the 6.5 and 8 most as commonly used, used as column, main reinforcement and stirrups and plate reinforced beam distribution.Steel is the HRB335, the diameter of 12 to 22, 25, 28, even 32, and then rough generally appear in the mass concrete construction, not commonly used, generally below 25 is commonly used in masonry structure in rural low level below 16 is most commonly used. Used as beams, columns, main bars and stand bars, etc.

Q:Can steel round bars be used in food processing applications?: Using steel round bars in food processing applications is not advisable. These bars are usually crafted from carbon steel, which may contain impurities and fail to meet the required food safety standards. When working with food, it is crucial to utilize materials that are explicitly designed and sanctioned for food contact, like stainless steel. Stainless steel boasts superior resistance to corrosion, ease of cleaning, and non-reactivity with food, preserving its original flavor. Hence, to guarantee the safety and integrity of processed food, it is recommended to employ stainless steel round bars or other food-grade materials in food processing applications.

Q:Can steel round bars be used for making tie rods?: Yes, steel round bars can be used for making tie rods. Steel round bars are commonly used in construction and engineering applications due to their strength and durability. Tie rods are used to provide structural support and stability, and steel round bars are well-suited for this purpose. They have high tensile strength and can withstand heavy loads and tension, making them an ideal choice for tie rods. Additionally, steel round bars can be easily fabricated and welded, allowing for customization and versatility in the design and construction of tie rods.

Q:Can steel round bars be used in the manufacturing of automotive parts?: Yes, steel round bars can be used in the manufacturing of automotive parts. Steel round bars are commonly used in the automotive industry due to their high strength, durability, and versatility. They can be machined, welded, and formed into various shapes to create components such as axles, shafts, suspension parts, and engine components. Steel round bars provide the necessary strength and stability required for automotive applications, making them a reliable choice for manufacturing automotive parts.

Q:How do steel round bars resist corrosion?: Steel round bars possess corrosion resistance due to a variety of factors. To begin with, steel itself is an alloy primarily composed of iron and carbon. By incorporating other elements like chromium, nickel, and molybdenum, the corrosion resistance of steel is enhanced. These additional elements create a protective oxide layer on the steel's surface, acting as a barrier against corrosive substances in the surroundings. Moreover, steel round bars can undergo further surface treatments or coatings to augment their corrosion resistance. One commonly used technique is galvanization, which involves coating the steel with a layer of zinc. This zinc coating serves as a sacrificial layer, deteriorating before the steel itself is affected. Additionally, steel round bars can be coated with epoxy or other polymer coatings to provide an additional layer of safeguarding. It is also crucial to recognize that the manufacturing process and quality of the steel round bars significantly influence their corrosion resistance. Proper heat treatment, refining techniques, and quality control measures guarantee a homogeneous microstructure and minimal impurities in the steel, thereby reducing the probability of corrosion. In conclusion, the combination of alloying elements, surface treatments, and high-quality manufacturing processes contribute to the corrosion resistance of steel round bars, rendering them a dependable choice for applications in corrosive environments.

Q:Can steel round bars be used in the production of springs?: Certainly! Springs can be produced using steel round bars. Steel is a commonly chosen material for manufacturing springs because it possesses strong attributes and excellent durability. Steel round bars are frequently employed as the foundation material for springs because they can be easily manipulated and formed into the desired spring shape. Moreover, by subjecting steel round bars to heat treatment, their mechanical properties can be improved, rendering them appropriate for a range of spring applications. The selection of steel type relies on the desired characteristics and requirements of the spring, such as the desired level of flexibility and resistance to deformation. In summary, steel round bars are extensively employed in spring production due to their outstanding mechanical properties, making them a suitable option for a variety of spring applications.

Q:What is the minimum tensile strength of steel round bars?: The minimum tensile strength of steel round bars can vary depending on the specific grade or type of steel being used. However, common steel grades typically have a minimum tensile strength of around 400 MPa (megapascals) or 58,000 PSI (pounds per square inch).

Q:Are steel round bars suitable for plumbing applications?: Yes, steel round bars are suitable for plumbing applications. They are commonly used in plumbing systems for their strength, durability, and resistance to corrosion. Steel round bars can be easily shaped and welded to create various plumbing components such as pipe fittings, supports, and brackets. Additionally, their high tensile strength makes them capable of withstanding the pressure and load requirements in plumbing systems.

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