hot rolled Round BAR
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used in construction and a large number of architectural and engineering structures.
4. Some special round bar can be used for automotive engine and transmission components, bearing, rails machine tools and wire rope.
Packaging & Delivery of American Standard 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: Theprice 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 American Standard Round Bar
The common processes are preheated forging quenching, dual refinement solution process, cooling quenching and isothermal quenching. We use heat treatment for dual refinement solution process.
Quality Assurance of American Standard Round Bar
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.
- Q: What is the difference between hot rolled and cold drawn steel round bars?
- Hot rolled steel round bars undergo the process of heating a steel billet or ingot at a high temperature and subsequently rolling it into the desired shape. This process yields a rougher surface finish and a greater diameter tolerance in comparison to cold drawn steel round bars. The usage of hot rolled bars is frequently found in areas where strength and durability hold significance, such as in construction and manufacturing. On the contrary, cold drawn steel round bars are created by pulling a hot rolled bar through a die at room temperature, leading to a smoother surface finish and tighter diameter tolerances. This procedure also enhances the mechanical properties of the steel, including its strength and hardness. Cold drawn bars are often employed in scenarios where precision and a high-quality surface finish are prerequisites, like in the production of shafts, bolts, and precision components. To summarize, the principal disparities between hot rolled and cold drawn steel round bars encompass the surface finish, diameter tolerance, and mechanical properties. Hot rolled bars bear a rougher surface finish, larger diameter tolerances, and are typically utilized in contexts where strength and durability are paramount. Cold drawn bars possess a smoother surface finish, tighter diameter tolerances, and are commonly employed in situations necessitating precision and a high-quality surface finish.
- Q: What are the typical tolerances for steel round bars?
- The specific requirements of the application or industry can cause variations in the typical tolerances for steel round bars. However, common standard tolerances are generally accepted. Regarding diameter, the tolerances for steel round bars typically fall within a few thousandths of an inch. This means that the actual diameter of the bar may slightly deviate from the specified diameter, but it will still be within an acceptable range. In terms of straightness, steel round bars are commonly manufactured with a tolerance for some deviation from a perfectly straight line. The usual tolerance for straightness is measured in units of inches per foot or millimeters per meter. This means that the bar may have a slight bend or curve, but it should not exceed the specified tolerance. Surface finish is another important factor for steel round bars. The tolerance for surface finish is usually specified in terms of roughness average (Ra) or surface roughness in micrometers. This tolerance ensures that the bar's surface is smooth and free from significant imperfections, such as pits or scratches. It is important to note that these typical tolerances can vary depending on the specific grade or type of steel used, as well as the intended application. Precision or critical applications may require tighter tolerances, while less demanding applications may accept looser tolerances. Therefore, it is recommended to consult relevant industry standards or specifications to determine the specific tolerances required for a particular steel round bar.
- Q: Can steel round bars be used for hydraulic applications?
- Indeed, hydraulic applications do permit the use of steel round bars. Renowned for its robustness and endurance, steel proves a fitting substance for hydraulic systems demanding intense pressure and substantial burdens. Steel round bars facilitate the production of diverse hydraulic constituents, including cylinders, pistons, shafts, and valves. Moreover, steel's sturdiness and resistance to corrosion render it an unwavering option for hydraulic applications wherein the fluid may harbor impurities or undergo elevated temperatures. Nonetheless, it remains crucial to ponder over the specific prerequisites of the hydraulic application and meticulously choose the grade and type of steel round bars to ensure supreme performance and longevity.
- Q: How do steel round bars compare to aluminum round bars?
- Steel and aluminum round bars differ in their properties and applications. When it comes to strength and durability, steel round bars surpass aluminum. Steel exhibits higher tensile strength and can withstand heavier loads and stresses, making it suitable for critical applications like construction or manufacturing machinery. In contrast, aluminum round bars are weaker and more prone to bending or breaking under heavy loads, hence they are typically used in lighter applications or when weight reduction is important. Weight-wise, aluminum round bars are significantly lighter than their steel counterparts. This quality makes aluminum a favored choice in weight-sensitive industries such as aerospace or automotive manufacturing. Moreover, the lightweight nature of aluminum round bars makes them easier to handle and transport. In terms of corrosion resistance, aluminum round bars excel due to the formation of a protective oxide layer on their surface. This layer acts as a barrier, protecting the metal from further corrosion and making aluminum suitable for outdoor applications or environments with high humidity or chemical exposure. On the other hand, steel round bars are more prone to rust and corrosion, necessitating protective coatings or treatments to enhance their resistance. In the cost department, steel round bars generally come out as the more cost-effective option. Steel is widely available and commonly used, making it more affordable in most cases. Conversely, aluminum round bars are pricier due to their production process and higher energy requirements. When it comes to thermal conductivity, aluminum round bars shine. They exhibit excellent thermal conductivity, efficiently transferring heat. This characteristic makes them well-suited for applications where heat dissipation is crucial, such as heat sinks or electrical conductors. While steel round bars do conduct heat to some extent, their thermal conductivity is lower compared to aluminum. Overall, steel round bars offer superior strength, durability, and cost-effectiveness, making them suitable for heavy-duty applications. On the other hand, aluminum round bars are lighter, possess excellent corrosion resistance, and exhibit superior thermal conductivity, making them ideal for lightweight applications and industries where weight reduction or heat dissipation are vital. Ultimately, the choice between steel and aluminum round bars depends on the specific requirements of the application.
- Q: What is the impact strength of a steel round bar?
- The ability of a steel round bar to withstand sudden forces or shocks without breaking or fracturing is referred to as its impact strength. This characteristic is a measure of the material's toughness and its ability to resist impact loads. Various factors, including the steel's composition, heat treatment, and any additional alloying elements, influence the impact strength of a steel round bar. To determine the impact strength, testing methods such as the Charpy or Izod impact test are typically employed. These tests involve striking a notched sample of the steel bar with a pendulum and measuring the amount of energy absorbed by the material before it fractures. The results are usually reported in terms of the energy absorbed in joules (J) or foot-pounds (ft-lb). The impact strength of a steel round bar can vary significantly depending on its grade or specification. Different grades of steel possess varying levels of toughness, making some more suitable for applications requiring high impact resistance, such as construction, automotive, or heavy machinery. On the other hand, certain grades may be better suited for less demanding applications. It should be noted that the impact strength is just one of several mechanical properties that must be considered when selecting a steel round bar for a specific application. Other factors, such as tensile strength, yield strength, hardness, and corrosion resistance, should also be taken into account to ensure the optimal performance and durability of the steel round bar in its intended use.
- Q: Can steel round bars be used in structural applications?
- Yes, steel round bars can be used in structural applications. They are commonly used in construction projects for their strength and durability. Steel round bars provide structural support and reinforcement in various applications such as beams, columns, and braces.
- Q: What is the difference between a smooth and a ribbed steel round bar?
- The surface texture and intended use differentiate a smooth steel round bar from a ribbed steel round bar. A smooth steel round bar possesses a surface that is uniform and even, devoid of any ridges or indentations. Its application is mainly in projects that desire a sleek and polished appearance, like decorative or architectural endeavors. Additionally, smooth bars find common usage in machining processes where precision and accuracy necessitate a smooth surface. Conversely, a ribbed steel round bar comprises raised ridges or ribs along its length. These ridges contribute to better grip and traction, making ribbed bars optimal for tasks demanding substantial strength and stability. In the construction industry, ribbed bars are frequently employed to reinforce concrete structures such as buildings, bridges, and highways. The ridges on the bar heighten the bond between the concrete and the steel, thereby enhancing the overall structural integrity. To sum up, the key contrast between a smooth and ribbed steel round bar lies in their surface texture and intended use. Smooth bars are valued for their polished appearance and precision machining, whereas ribbed bars are designed to deliver enhanced grip and reinforcement in concrete structures.
- Q: Are steel round bars suitable for conveyor belt applications?
- Depending on various factors, conveyor belt applications can benefit from the use of steel round bars. These bars are renowned for their strength, durability, and resistance to wear and tear, making them a viable choice for applications involving heavy loads, high speeds, or abrasive materials. One of the main advantages of utilizing steel round bars in conveyor belt applications lies in their ability to withstand heavy loads. Their strength ensures that the bars can support the weight of conveyed materials without bending or breaking. This is particularly crucial in industries where continuous transportation of large quantities of bulky or heavy materials is required. Moreover, steel round bars exhibit high resistance to wear and tear. The smooth surface of the bars reduces friction, resulting in minimal wear on the conveyor belt and prolonging its lifespan. This is especially important in applications where the conveyor belt constantly moves and comes into contact with abrasive materials, such as in the mining or construction industries. Additionally, steel round bars are capable of withstanding high speeds without compromising their structural integrity. Their high tensile strength enables them to handle the forces exerted on the conveyor belt during acceleration or deceleration. As a result, the conveyor system operates smoothly and efficiently, reducing downtime and enhancing productivity. However, it is crucial to consider the specific requirements of the conveyor belt application when selecting steel round bars. Factors such as the type of conveyed materials, the operating environment, and the specific load and speed requirements should be carefully evaluated. In certain cases, alternative materials or coatings may be necessary to enhance the performance and longevity of the conveyor system. In conclusion, steel round bars can be a suitable choice for conveyor belt applications due to their strength, durability, and resistance to wear and tear. Nonetheless, careful consideration of the specific application requirements is essential to ensure optimal performance and longevity of the conveyor system.
- Q: How strong are steel round bars compared to other materials?
- Steel round bars are known for their exceptional strength and durability, making them one of the strongest materials available. Compared to other materials, such as wood or aluminum, steel round bars offer significantly higher strength and resistance to bending or breaking under pressure. This makes them a popular choice in various industries, including construction, manufacturing, and engineering, where strength and reliability are crucial.
- Q: How about the difference between round steel and shaped steel? Where are they mainly used?
- Low carbon steel structure steel Q235, Q345 rolled out section is I-shaped, C shape, L shape, flat strip, plate shape... Etc.... Called into "type", as used in steel structure component.
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hot rolled Round BAR
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
OKorder Financial Service
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