hot rolled Round BAR

Ref Price:

Loading Port:: China Main Port

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: -

Inquire Now

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

You Might Also Like

High Quality Round Bar 5-28mm Hot Rolled GB Q235 Q195

stainless steel ; round bar steel ;steel rod

Hot rolled round bar for construction Q235

6mm*0.222kg/m round bar for construction RB

Carbon Structural Steel Square Bars ASTM A36

Carbon Structural Steel Square Bars ST37-2CR

Low Carbon Steel C10/C15/C22/C25 Round Bars

1045 Grade 8.8 Carbon Steel Rod Bars

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 tolerance for diameter in steel round bars?: The tolerance for diameter in steel round bars can vary depending on the specific standards and requirements set by the manufacturer or industry. Generally, the tolerance for diameter in steel round bars is specified within a certain range to ensure the desired level of precision and consistency in the dimensions of the bars. This tolerance is usually expressed as a plus or minus value, indicating the acceptable deviation from the specified diameter. It is important to check the relevant industry standards or consult with the manufacturer to determine the specific tolerance for diameter in steel round bars, as it can differ based on the intended application and the manufacturing process used.

Q: What is the cost of steel round bars compared to other materials?: The cost of steel round bars can vary depending on the specific type of steel and current market conditions. Generally, steel round bars tend to be more cost-effective compared to other materials such as aluminum or titanium, especially when considering their strength and durability. However, it is always recommended to compare prices and quality from different suppliers to get a more accurate understanding of the cost differences.

Q: What is the difference between a centerless ground and a rough turned steel round bar?: The manufacturing processes and resulting surface finishes of a centerless ground steel round bar and a rough turned steel round bar differ. To produce a centerless ground steel round bar, the bar is fed through a grinding machine. This machine removes material from the surface, achieving precise diameter and roundness tolerances. The bar is rotated between two grinding wheels, while pressure is applied to remove imperfections and create a smooth, polished surface. The end result is a highly accurate and consistent diameter, with a mirror-like finish. This makes it suitable for applications that require tight tolerances and a polished appearance. On the other hand, a rough turned steel round bar is manufactured using a different machining process called turning. In this process, the bar is rotated against a cutting tool, which removes material from the surface to achieve the desired diameter and shape. However, turning does not provide the same level of precision and surface finish as centerless grinding. The resulting surface of a rough turned bar will have visible tool marks and a rougher texture compared to a centerless ground bar. In conclusion, the main distinction between a centerless ground steel round bar and a rough turned steel round bar lies in their manufacturing processes and resulting surface finishes. Centerless grinding offers a more precise diameter, roundness, and smoother surface finish, making it ideal for applications that require tight tolerances and a polished appearance. Rough turning, while less precise and with a rougher surface finish, is still suitable for applications that do not require the same level of precision or aesthetic appeal.

Q: How do you identify the grade of a steel round bar?: The grade of a steel round bar can be identified through several methods, including visual inspection, markings on the bar, and using specialized testing equipment. Visual inspection involves examining the surface texture, color, and any visible defects or markings on the bar. Markings on the bar often indicate the grade, such as alphanumeric codes or symbols provided by the manufacturer. For accurate identification, specialized testing equipment like spectrometers or hardness testers can be used to analyze the chemical composition and mechanical properties of the steel.

Q: What are the advantages of using maraging steel round bars?: Maraging steel round bars offer several advantages. Firstly, they possess exceptional strength and hardness, making them ideal for applications requiring high-performance materials. Additionally, maraging steel round bars have excellent toughness and resistance to fatigue, ensuring durability under demanding conditions. They also exhibit good corrosion resistance, reducing the risk of degradation over time. Furthermore, maraging steel is known for its machinability and ease of welding, facilitating efficient processing and fabrication. Overall, these advantages make maraging steel round bars a preferred choice in industries such as aerospace, defense, and tooling.

Q: What are the different marking methods for steel round bars?: There are several marking methods commonly used for steel round bars. These methods are used to identify and provide information about the steel bars, such as their specifications, grades, manufacturer, and other relevant details. 1. Stamping: Stamping is a widely used marking method in which information is imprinted onto the surface of the steel round bar using a stamping machine. This can include alphanumeric characters, symbols, or logos. Stamping provides a permanent and durable marking that is resistant to wear and corrosion. 2. Laser Marking: Laser marking is a precise and high-quality marking method that uses a laser beam to engrave information onto the surface of the steel round bar. This method allows for intricate designs, barcodes, and serial numbers to be marked. Laser marking provides permanent identification that is resistant to fading and tampering. 3. Inkjet Printing: Inkjet printing is a non-contact marking method that uses inkjet technology to print information onto the steel round bar's surface. This method is commonly used for marking barcodes, QR codes, and other data matrix codes. Inkjet printing allows for fast and efficient marking, and the ink used is designed to adhere to the steel surface effectively. 4. Etching: Etching is a chemical marking method that involves using acid or other chemicals to remove layers of the steel round bar's surface, creating a visible mark. This method is commonly used for marking logos, identification numbers, or other designs. Etching provides a permanent marking that can be easily read and is resistant to wear. 5. Color Coding: Color coding is a simple marking method that involves using paint or colored coatings to mark different types or grades of steel round bars. Each color represents a specific attribute or characteristic, such as strength, corrosion resistance, or heat resistance. Color coding provides quick and visual identification of the steel round bars. These marking methods play a crucial role in ensuring proper identification, traceability, and quality control of steel round bars in various industries such as construction, manufacturing, and engineering. The choice of marking method depends on factors such as the required level of permanence, visibility, and the specific information to be marked on the steel round bars.

Q: Are steel round bars suitable for agricultural applications?: Yes, steel round bars are suitable for agricultural applications. They possess strong structural integrity, durability, and resistance to corrosion, making them ideal for various agricultural uses such as fencing, livestock handling equipment, and machinery parts. The versatility and reliability of steel round bars make them a popular choice in the agricultural industry.

Q: What is the difference between a peeled and a centerless ground steel round bar?: A peeled steel round bar refers to a process where the outer surface of the bar is removed, typically by using a peeling machine, to achieve a smooth and precise surface finish. This process helps to remove any imperfections or scale on the surface of the bar, resulting in a clean and polished appearance. The peeled round bar also undergoes a sizing process to ensure its dimensional accuracy, making it suitable for various applications where a smooth surface finish and precise dimensions are important. On the other hand, a centerless ground steel round bar refers to a process where the bar is ground using a centerless grinding machine. This process involves feeding the bar through grinding wheels that rotate at different speeds, removing material from the bar's outer diameter to achieve the desired size and surface finish. Centerless grinding allows for tight tolerances and precise sizing, making it suitable for applications that require high precision and accuracy. In summary, the main difference between a peeled and a centerless ground steel round bar lies in the process used to achieve the desired surface finish and dimensional accuracy. While both processes result in a smooth and precise bar, peeling removes material from the outer surface, whereas centerless grinding removes material from the outer diameter. The choice between the two depends on the specific requirements of the application and the desired surface finish and dimensional accuracy.

Q: What is the resistance to wear of a steel round bar?: The wear resistance of a steel round bar can vary depending on several factors, including the type of steel used, hardness, surface finish, and any coatings or treatments applied. Steel is widely recognized for its exceptional wear resistance and ability to withstand abrasion and friction. Steel possesses inherent durability and strength, making it resistant to wear from repeated or prolonged contact with other surfaces. Its hardness and strength allow it to resist deformation, chipping, or cracking, even in high-stress situations. This quality makes steel round bars suitable for applications involving heavy loads, constant movement, or abrasive environments. However, it is important to acknowledge that external factors can still influence the wear resistance of a steel round bar. For instance, exposure to corrosive environments or improper handling and maintenance can compromise its wear resistance. In such cases, corrosion or surface damage may occur, resulting in a decrease in overall wear resistance. To enhance the wear resistance of a steel round bar, additional measures can be taken. Heat treatments like quenching and tempering can be employed to improve the hardness and strength of the steel, thereby increasing wear resistance. Furthermore, coatings such as chrome plating or nitriding can be utilized to provide an extra layer of protection against wear, reducing friction and extending the lifespan of the steel round bar. In conclusion, steel round bars generally exhibit high wear resistance due to their inherent durability and strength. However, factors such as steel type, surface finish, coatings, and environmental conditions can impact wear resistance. Proper selection, handling, and maintenance of the steel round bar are crucial to ensuring optimal wear resistance and prolonging its lifespan.

Q: What are the advantages of using precipitation-strengthened steel round bars?: Using precipitation-strengthened steel round bars in various applications offers several benefits. Firstly, these bars possess improved mechanical properties, making them stronger and more durable compared to regular steel bars. Through the heat treatment process of precipitation hardening, fine particles form within the steel structure. These particles act as obstacles to dislocation movement, resulting in enhanced strength and hardness. Secondly, the increased strength of precipitation-strengthened steel round bars allows for material usage reduction while maintaining the desired level of structural integrity. This leads to cost savings in terms of raw materials and transportation, making it an economical choice in the construction and manufacturing industries. Additionally, precipitation-strengthened steel round bars exhibit excellent corrosion resistance properties. The formation of fine particles during precipitation hardening creates a dense and uniform microstructure, effectively blocking the movement of corrosive agents. This corrosion resistance makes these bars ideal for applications in harsh environments or industries where exposure to corrosive substances is common. Another advantage of using precipitation-strengthened steel round bars is their ability to withstand high temperatures. The fine particles within the steel structure contribute to improved thermal stability, enabling these bars to maintain their strength and hardness even under elevated temperatures. This makes them suitable for applications involving high-temperature operations, such as in the aerospace and automotive industries. Furthermore, precipitation-strengthened steel round bars possess superior fatigue resistance, making them advantageous in applications that require repetitive or cyclic loading. The precipitation hardening process enhances the material's resistance to fatigue failure, allowing it to withstand prolonged stress without significant deformation or failure. This makes these bars suitable for use in structures subjected to dynamic or fluctuating loads, such as bridges, cranes, and machinery components. In conclusion, precipitation-strengthened steel round bars offer enhanced mechanical properties, reduced material usage, excellent corrosion resistance, high-temperature stability, and superior fatigue resistance. These advantages make them the preferred choice for a wide range of applications, spanning from construction and manufacturing to the aerospace and automotive industries.

Send your message to us

*Email

*TEL

*Quantity

*Unit