• Low Carbon Hot Rolled Steel Round Bars for  Bults and Nults System 1
  • Low Carbon Hot Rolled Steel Round Bars for  Bults and Nults System 2
  • Low Carbon Hot Rolled Steel Round Bars for  Bults and Nults System 3
Low Carbon Hot Rolled Steel Round Bars for  Bults and Nults

Low Carbon Hot Rolled Steel Round Bars for Bults and Nults

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Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
25 m.t.
Supply Capability:
200000 m.t./month

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Product Description:

OKorder is offering Low Carbon Hot Rolled Steel Round Bars for Bults and Nults at great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.

 

Product Applications:

1. Low Carbon Hot Rolled Steel Round Bars for  Bults and Nultsis 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. Low Carbon Hot Rolled Steel Round Bars for  Bults and Nultsis 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.

 

Product Advantages:

OKorder's Low Carbon Hot Rolled Steel Round Bars for  Bults and Nults are durable, strong, and resist corrosion.

1. The steel in which the main interstitial alloying constituent is carbon in the range of 0.12–2.0%.

2. As the carbon percentage content rises, steel has the ability to become harder and stronger through heat treating; however it becomes less ductile.

3. Regardless of the heat treatment, higher carbon content reduces weld ability. In carbon steels, the higher carbon content lowers the melting point

 

Main Product Features:

·         Premium quality

·         Prompt delivery & seaworthy packing (30 days after receiving deposit)

·         Corrosion resistance

·         Can be recycled and reused

·         Mill test certification

·         Professional Service

·         Competitive pricing

 

Specifications of Low Carbon Hot Rolled Steel Round Bars for  Bults and Nults

1. Grade: Q195, Q235, A36, SS400, Q345

2. Material: Mild carbon steel

3. Diameter: 8mm-150mm

4. Length: 6m, 9m, 12m

5. Quenching methods: oil quenching, air cooling or salt bath quenching

6. Heat treatment: Isothermal annealing temperature is 800~880 °C, with 10~20 °C, the furnace cooling to about 600 °C

 

Packaging & Delivery of Low Carbon Hot Rolled Steel Round Bars for  Bults and Nults

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.

Quality Assurance of Low Carbon Hot Rolled Steel Round Bars for  Bults and Nults

1. We will strictly inspect our production that we sold according to the customer’s request.

2. Quality should be in conformity with the specification of the manufacturer. Quantity and packing conditions should be in conformity with the term in the contract.

3. Should the packing found damaged, the buyer has the right to claim to the seller.

FAQ:

Q1: Can fit in the containers of 20fts the steel beams of 6M?

A1: No proble, we can put them into the containers in the form sideling.

Q2: The products are invoicing on theoritical weight or on actual weight? 

A2: We can do it in both manners, according to the customers' request.

Q3: How soon can we receive the product after purchase?

A3: Within three days of placing an order, we will begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.

 


Q:What is the difference between a hot rolled and a turned steel round bar?
The manufacturing process and resulting characteristics distinguish a hot rolled steel round bar from a turned steel round bar. To produce a hot rolled steel round bar, steel billets or ingots are heated to a high temperature and then rolled into the desired shape. This process facilitates easy forming and shaping, resulting in a bar with a rough surface and a slightly rounded or irregular shape. Hot rolling also enhances the overall strength and toughness of the steel, making it suitable for various applications. In contrast, a turned steel round bar is machined on a lathe from a hot rolled or cold drawn bar. This machining process involves removing material from the bar's surface using cutting tools, resulting in a smooth and precise finish. Turning allows for superior dimensional accuracy and control over the final shape and size of the bar. Regarding surface finish and dimensional accuracy, a turned steel round bar generally provides a higher level of precision compared to a hot rolled bar. The turned bar possesses a smoother surface with fewer imperfections, making it ideal for applications where appearance and aesthetics are important. Furthermore, the turned bar typically adheres to tighter tolerances, ensuring consistent dimensions throughout its length. The choice between a hot rolled and a turned steel round bar depends on the specific requirements of the application. Hot rolled bars are commonly employed in construction, manufacturing, and general engineering applications where strength and toughness play crucial roles. On the other hand, turned bars are frequently utilized in industries such as automotive, aerospace, and precision machining, where a high level of surface finish and dimensional accuracy is necessary. In conclusion, the distinction between a hot rolled and a turned steel round bar can be attributed to the manufacturing process and resulting characteristics. Hot rolled bars offer strength and toughness, while turned bars provide a smoother surface finish and greater dimensional accuracy. The choice ultimately hinges on the specific needs of the application.
Q:What is the difference between a smooth and a precision ground steel round bar?
A smooth steel round bar refers to a steel rod that has a plain surface without any specific surface treatment or finishing process. It is typically produced through hot rolling or cold drawing methods, resulting in a basic cylindrical shape with a relatively rough surface texture. Smooth steel round bars are commonly used in various applications where a smooth exterior finish is not a critical requirement. On the other hand, a precision ground steel round bar undergoes an additional manufacturing process to achieve a more precise and refined surface finish. The precision grinding process involves removing any imperfections or irregularities from the surface of the steel rod, resulting in a highly smooth and polished finish. This process ensures that the diameter of the round bar remains consistent along its length and that the surface has a superior level of finish and accuracy. Precision ground steel round bars are widely used in applications that demand tight tolerances, precision machining, or where a smooth and polished surface is essential. Industries such as aerospace, automotive, tooling, and manufacturing often rely on precision ground steel round bars for their high-quality surface finish, dimensional accuracy, and reliable performance. In summary, the main difference between a smooth and a precision ground steel round bar lies in the surface finish and level of precision achieved. While a smooth steel round bar has a basic, rough surface texture and is suitable for general applications, a precision ground steel round bar undergoes additional grinding processes to achieve a highly smooth, polished, and accurate surface finish, making it ideal for applications requiring tight tolerances and precision machining.
Q:What is the hardness of a steel round bar?
The hardness of a steel round bar can vary depending on the specific type of steel used and the manufacturing process, but it is typically measured on the Rockwell or Brinell hardness scales.
Q:What are the different types of steel round bar shapes?
There are several different types of steel round bar shapes, including solid round bars, hollow round bars, threaded round bars, and precision ground round bars.
Q:What are the different types of steel round bars used in the automotive braking systems?
There are several different types of steel round bars that are commonly used in automotive braking systems. These types of steel are specifically chosen for their strength, durability, and ability to withstand the high temperatures and pressures that are generated during braking. One commonly used type of steel round bar is carbon steel. This type of steel is known for its high strength and excellent hardness. Carbon steel round bars are often used in the manufacturing of brake rotors and brake drums. They are able to withstand the friction and heat generated during braking, ensuring reliable performance and longevity. Another type of steel round bar used in automotive braking systems is stainless steel. Stainless steel is highly resistant to corrosion and rust, making it ideal for brake lines and fittings. It also has good heat resistance properties, allowing it to withstand the thermal stresses generated during braking. Some automotive braking systems also utilize alloy steel round bars. Alloy steel is a combination of different metals, such as chromium, nickel, and molybdenum, which enhance its mechanical properties. Alloy steel round bars are known for their high tensile strength and toughness, making them suitable for applications that require a high level of performance and durability. In addition to these commonly used types of steel round bars, there are also specialized types that are designed for specific applications within automotive braking systems. For example, heat-treated steel round bars are used in the manufacturing of brake calipers and pistons, as they can withstand the extreme temperatures generated by the friction between the brake pads and rotors. Overall, the choice of steel round bar in automotive braking systems depends on the specific requirements of the application, such as strength, durability, heat resistance, and corrosion resistance. By selecting the appropriate type of steel, automotive manufacturers can ensure the safety and reliability of their braking systems.
Q:How are steel round bars used in the manufacturing of conveyor systems?
Steel round bars are commonly used in the manufacturing of conveyor systems as they provide the necessary strength and durability for supporting heavy loads, guiding conveyor belts, and maintaining stability. These bars are often used as support beams, rollers, and shafts within the conveyor system, ensuring efficient movement of materials along the production line.
Q:What are the different types of steel round bar alloys for improved toughness and wear resistance?
There are several different types of steel round bar alloys that are known for improved toughness and wear resistance. Some of these alloys include tool steel, stainless steel, alloy steel, and carbon steel. Each of these alloys has unique properties and compositions that make them suitable for various applications where toughness and wear resistance are crucial.
Q:Can steel round bars be used in the manufacturing of shafts?
Yes, steel round bars can be used in the manufacturing of shafts. Steel round bars are often used as raw materials for shaft manufacturing due to their high strength, durability, and excellent mechanical properties. The round shape of the bar allows for easier machining and forming processes, making it suitable for creating shafts of various sizes and lengths. Additionally, steel round bars can be heat treated to enhance their hardness, strength, and wear resistance, further improving their suitability for shaft applications.
Q:Can steel round bars be used for making wheel hubs?
Indeed, wheel hubs can be crafted using steel round bars. The preference for steel round bars in the fabrication of wheel hubs is attributed to their robustness and longevity. The cylindrical form of these bars facilitates effortless machining and shaping to meet the desired wheel hub design. Steel is renowned for its remarkable tensile strength and ability to withstand deterioration, making it an optimal substance for wheel hubs that must endure substantial loads and incessant wheel rotation. Moreover, steel is easily accessible and comparatively economical in contrast to alternative materials, rendering it a favored selection in the automotive sector for wheel hub manufacturing.
Q:What are the different types of steel round bar surface finishes for improved lubricity?
To enhance lubricity, there exists a variety of surface finishes for steel round bars. 1. Achieving a smooth finish involves employing grinding or polishing techniques to create a sleek surface. This reduces friction and serves as a solid foundation for applying lubricants. 2. Chrome plating entails electroplating a layer of chromium onto the round bar's surface. This results in a hard, smooth, and corrosion-resistant coat that offers exceptional lubricity. Chrome plating is frequently employed in applications necessitating low friction and wear resistance. 3. Nitriding, a surface hardening process, involves diffusing nitrogen into the round bar's surface. This generates a robust layer that amplifies the steel's lubricity. Nitriding is commonly utilized when high wear resistance and improved lubrication are imperative. 4. Black oxide, a chemical conversion coating, forms a black surface on the steel round bar. This finish provides a thin layer of protection against corrosion along with enhanced lubricity. Black oxide is frequently favored in applications that require lubricity without a decorative appearance. 5. Teflon coating, also known as PTFE (polytetrafluoroethylene) coating, involves applying a thin layer of Teflon onto the round bar's surface. This coating offers exceptional lubricity and low friction properties. Teflon coating is often employed in industries like food processing or packaging that necessitate non-stick properties. These examples showcase the various steel round bar surface finishes that can be utilized to enhance lubricity. The choice of finish depends on specific application requirements and the desired level of lubrication and wear resistance.

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