round bars; round steel; high quality System 1

round bars; round steel; high quality

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 1000 m.t.

Supply Capability:: 5000 m.t./month

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Product Description:

Specifications of Common Steel Round Bar

1. Grade: 304, 316L, 321

2. Type: Mild carbon steel

3. Shape: Round bar, solid bar of steel with circular section

4. Diameter: 8mm-150mm

5. HS Code: 72283010

Usage and Applications of Common Steel Round Bar

1. Common Steel Round Bar of 8-25mm, 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. Steel round bar is used in construction and a large number of architectural and engineering structures.

3. 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.

Packaging & Delivery of Common Steel Round Bar

Packaging Detail: All goods are packed in bundle with steel strips and shipped by break bulk vessel or container (depend on target market and different ports)

Delivery Detail: 45 days

Trade terms: FOB, CFR, CIF

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 and the situation of the port of destination.

Documents given: Full set of original clean on board bill of lading; Original signed commercial invoice; Original packing list; Policy of insurance; Certificate of origin and what the target market needs.

Production Flow of Common Steel Round Bar

We use advanced equipments like Electric Arc Furnace, Ladle Furnace and Vacuum Degasser to produce our products.

Material prepare (billet) — heat up — rough rolling — precision rolling — cooling — packing — storage and transportation

Q:Are steel round bars recyclable?: Yes, steel round bars are recyclable. Steel is one of the most commonly recycled materials in the world due to its high value and ease of recycling. When steel round bars reach the end of their useful life, they can be collected and sent to a recycling facility. At the recycling facility, the round bars are melted down and transformed into new steel products. This process can be repeated indefinitely without compromising the quality of the steel. Recycling steel round bars not only helps conserve natural resources and reduce waste but also saves energy and reduces greenhouse gas emissions compared to producing steel from raw materials.

Q:What is the elasticity of a steel round bar?: The ability of a steel round bar to return to its original form and size after external forces or deformations is referred to as its elasticity. Steel is renowned for its high elastic modulus, indicating its resistance to deformation and ability to withstand significant stress before permanently bending or breaking. The composition of a steel round bar, specifically its carbon content and the inclusion of other alloying elements, determines its elasticity. Generally, steel with higher carbon content possesses greater elasticity and can be more easily manipulated without enduring permanent deformation. Nonetheless, it is noteworthy that factors like temperature, strain rate, and any defects or imperfections in the material can also influence the elasticity of a steel round bar.

Q:How do you determine the appropriate steel grade for a specific application?: To determine the appropriate steel grade for a specific application, several factors need to be considered. These include the intended use of the steel, the required mechanical properties such as strength, hardness, and toughness, the desired corrosion resistance, and any specific industry standards or regulations that need to be met. Additionally, factors like cost, availability, and processability of the steel should also be taken into account. By evaluating these factors and consulting with experts, engineers can determine the most suitable steel grade for the specific application.

Q:What are the different types of steel round bar alloys used in the aerospace industry?: There are several different types of steel round bar alloys used in the aerospace industry, including stainless steel, titanium alloy, nickel alloy, and carbon steel. These alloys offer specific properties such as high strength, corrosion resistance, and heat resistance, making them suitable for various applications in aircraft manufacturing.

Q:What are the advantages of using chromium-alloy steel round bars?: There are several advantages to using chromium-alloy steel round bars. Firstly, chromium-alloy steel round bars have excellent corrosion resistance properties. The addition of chromium to the steel increases its ability to withstand corrosion and oxidation, making it suitable for use in harsh environments or applications where exposure to moisture or chemicals is a concern. This corrosion resistance helps to prolong the lifespan of the round bars, reducing maintenance and replacement costs. Secondly, chromium-alloy steel round bars offer high strength and durability. The alloying of chromium with steel enhances its mechanical properties, such as tensile strength, hardness, and toughness. This makes chromium-alloy steel round bars ideal for applications that require high strength and resistance to wear and tear, such as construction, heavy machinery, and automotive industries. Another advantage of using chromium-alloy steel round bars is their heat resistance. The addition of chromium improves the heat resistance of the steel, allowing it to maintain its strength and structural integrity even at elevated temperatures. This makes it suitable for use in high-temperature applications, such as furnace components, boilers, and heat exchangers. Furthermore, chromium-alloy steel round bars are known for their excellent machinability. The alloying elements in the steel enhance its ability to be easily machined, allowing for precise shaping and finishing. This makes it easier and more cost-effective to manufacture complex components or parts using chromium-alloy steel round bars. Lastly, chromium-alloy steel round bars are readily available in the market. Due to their popularity and wide range of applications, chromium-alloy steel round bars can be easily sourced from various suppliers. This availability ensures a consistent supply of the material, reducing production downtime and lead times. Overall, the advantages of using chromium-alloy steel round bars include corrosion resistance, high strength and durability, heat resistance, excellent machinability, and availability. These properties make chromium-alloy steel round bars a versatile and reliable choice for a wide range of applications in various industries.

Q:What are the different types of steel round bar finishes for decorative purposes?: For decorative purposes, steel round bars can be finished in various ways, each offering a unique appeal. These finishes not only enhance the overall appearance of the steel round bar but also make it suitable for a range of decorative applications. Here are some of the most popular finishes: 1. Achieving a polished finish involves using abrasives to polish the steel round bar, resulting in a smooth and shiny surface. This reflective, mirror-like finish adds an elegant and sophisticated touch to any decorative project. 2. A brushed finish, also referred to as a satin finish, is obtained by brushing the steel round bar with a fine abrasive material, creating a textured pattern. It offers a slightly matte appearance, making it perfect for contemporary or industrial-style decorative applications. 3. The hammered finish involves striking the steel round bar with a hammer, resulting in a textured and hammered surface. This finish creates a rustic and aged look, making it ideal for decorative items with a vintage or antique-inspired theme. 4. The blackened finish is achieved by subjecting the steel round bar to a chemical or heat treatment, resulting in a darkened or blackened appearance. It adds a sleek and modern touch to decorative projects, making it a popular choice for contemporary designs. 5. Powder coating is a durable and long-lasting finish where a powdered paint is electrostatically applied to the steel round bar and then cured under heat. This finish offers a wide range of color options and excellent protection against corrosion, making it suitable for both indoor and outdoor decorative applications. These examples illustrate the variety of steel round bar finishes available for decorative purposes. The choice of the finish depends on the desired aesthetic, style, and overall theme of the decorative project.

Q:What are the different heat treatment processes for steel round bars?: Enhancing the mechanical properties and improving the overall performance of steel round bars can be achieved through various heat treatment processes. Here are a few examples: 1. Annealing: By subjecting the steel round bars to high temperatures followed by slow cooling, typically in a furnace, internal stresses are relieved, ductility is improved, and the grain structure of the steel is refined. 2. Normalizing: This process involves heating the steel round bars to a temperature above the critical range and then allowing them to cool naturally. It helps refine the grain structure, enhance machinability, and improve the mechanical properties of the steel. 3. Quenching and tempering: Rapid cooling, or quenching, is done by immersing the heated steel round bars in a quenching medium like oil or water. This produces a hard and brittle structure known as martensite. To reduce brittleness and improve toughness, tempering involves reheating the quenched steel to a specific temperature and cooling it. This process enhances the strength, hardness, and toughness of the steel. 4. Stress-relieving: By heating the steel round bars to a specific temperature below the critical range and maintaining it for a set period, stress-relieving helps reduce residual stresses that may have developed during previous manufacturing processes. This improves dimensional stability and reduces the risk of distortion or cracking. 5. Induction hardening: This specialized heat treatment process selectively heats the surface of the steel round bars using high-frequency induction currents. By quickly raising the surface temperature, it allows for hardening through subsequent quenching. Induction hardening is commonly used to increase surface wear resistance and hardness while preserving the core's toughness and ductility. These represent some of the commonly employed heat treatment processes for steel round bars. The choice of the appropriate process depends on the desired mechanical properties, intended application, and specific requirements of the steel round bars.

Q:Are steel round bars suitable for use in food processing equipment?: No, steel round bars are not suitable for use in food processing equipment. Food processing equipment requires materials that are resistant to corrosion, easy to clean, and non-reactive with food substances. While steel round bars are strong and durable, they are prone to rust and can contaminate food with metallic particles. Stainless steel, on the other hand, is the ideal choice for food processing equipment due to its high resistance to corrosion, easy cleanability, and non-reactive properties. It is important to prioritize the safety and hygiene of food processing equipment, and therefore, steel round bars should not be used in this context.

Q:Can steel round bars be used for making camshafts?: Yes, steel round bars can be used for making camshafts. Steel is a commonly used material due to its strength, durability, and heat resistance properties, which are essential for camshaft applications. Additionally, steel round bars can be easily machined and shaped into the desired camshaft design.

Q:Are steel round bars suitable for the production of hydraulic cylinders?: Yes, steel round bars are suitable for the production of hydraulic cylinders. Steel round bars provide excellent strength, durability, and resistance to wear and tear, making them a reliable choice for hydraulic cylinder production. Additionally, their versatility allows for customization and various configurations to meet specific hydraulic system requirements.

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