Hot Rolled Steel Round Bar GB, ASTM, JIS Standard WIth High Quality

Hot Rolled Steel Round Bar GB, ASTM, JIS Standard WIth High Quality System 1

Hot Rolled Steel Round Bar GB, ASTM, JIS Standard WIth High Quality

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Loading Port:: China main port

Payment Terms:: TT or LC

Min Order Qty:: 25 m.t.

Supply Capability:: 200000 m.t./month

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Product Description:

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

Usage and Applications of High Quality Hot Rolled Steel Round Bar GB, ASTM, JIS Standard

1. Construction steel round bar 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 High Quality Hot Rolled Steel Round Bar GB, ASTM, JIS Standard

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.

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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.

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High Quality Hot Rolled Steel Round Bar GB, ASTM, JIS Standard

Q:Can steel round bars be used in the manufacturing of household appliances?: Yes, steel round bars can be used in the manufacturing of household appliances. Steel is a versatile and durable material that is commonly used in various industries, including the manufacturing of household appliances. Steel round bars can be utilized in the construction of appliance frames, support structures, and even internal components. The high strength and resistance to corrosion of steel make it an ideal choice for ensuring the durability and longevity of household appliances. Additionally, steel can be easily molded and shaped according to specific requirements, allowing for the production of appliances with intricate designs and precise dimensions. Overall, the use of steel round bars in the manufacturing of household appliances contributes to the production of high-quality, reliable, and long-lasting products.

Q:What are the different surface defects that can be found in steel round bars?: Some common surface defects that can be found in steel round bars include scratches, pits, cracks, scale, and decarburization.

Q:Can steel round bars be used in the manufacturing of bicycles?: Indeed, bicycles can be manufactured using steel round bars. These bars are commonly utilized in multiple aspects of bicycle construction, including the frame, handlebars, cranksets, and seatposts. Steel, being a robust and enduring material, can withstand the strains and pressures associated with cycling. Moreover, it is comparatively affordable when compared to alternatives like carbon fiber. By employing steel round bars, the necessary strength and stability required for a bicycle's structural components are guaranteed, thereby ensuring a secure and dependable ride. Furthermore, steel can be easily manipulated and shaped to conform to the specific design prerequisites of a bicycle, making it a versatile material for manufacturing purposes. All in all, the bicycle industry frequently favors steel round bars due to their resilience, sturdiness, and cost-effectiveness.

Q:Excuse me, the difference between round steel, screw steel, steel, plate material, steel wire, hope professional answer: Disk and rebar with rib, have all the same, basically can not see, rebar size is more than Phi 9, a lot of hardness than wire reinforced strong general, so the steel strip is usually linear, bluntly, steel disc is not up, disc. The size can be intercepted, so can be screwed up disc.

Q:What are the different packaging options for steel round bars?: There are several packaging options available for steel round bars, depending on the specific needs and requirements of the customer. Some of the common packaging options include: 1. Bundles: Steel round bars are often bundled together using steel straps or wire to create a compact and secure package. Bundles can vary in size, with common options being 2, 3, 4, or 5 tons. This packaging option is suitable for transportation and storage purposes. 2. Wooden Crates: For added protection during transportation, steel round bars can be packed in wooden crates. These crates are designed to withstand the weight and size of the bars, ensuring safe delivery to the customer. 3. Steel Cages: In some cases, steel round bars are packaged in steel cages or racks to provide additional stability and security during transportation. These cages are typically made of sturdy steel and are stackable, making them suitable for storage purposes as well. 4. Plastic Wrapping: To protect the steel round bars from moisture, dust, and other contaminants, they can be wrapped in plastic or shrink wrap. This packaging option is commonly used when the bars are stored or transported in open-air environments. 5. Customized Packaging: Depending on the customer's specific requirements, steel round bars can be packaged in custom-designed containers or crates. These can be tailored to accommodate different sizes, weights, and quantities of bars, ensuring maximum convenience and safety during handling and transportation. It is important to note that the choice of packaging option may vary depending on factors such as the destination, mode of transportation, and specific industry standards. Therefore, it is advisable for customers to consult with their suppliers or packaging experts to determine the most suitable packaging option for their steel round bars.

Q:Are steel round bars available in metric sizes?: Metric sizes of steel round bars are indeed available. Many manufacturers and suppliers cater to customers who utilize the metric system by offering steel round bars in addition to the standard imperial sizes. These metric measurements are commonly utilized in countries that adhere to the metric system as their primary unit of measurement. They provide a diverse selection of metric diameters and lengths suitable for various applications and industries. To ensure the availability of steel round bars in the desired metric sizes, it is advisable to verify with the specific supplier or manufacturer.

Q:How do I determine the load capacity of a steel round bar?: To determine the load capacity of a steel round bar, you need to consider various factors. The load capacity of a round bar depends on its diameter, length, and the type of steel used. Here are the steps to determine the load capacity: 1. Identify the steel grade: Different steel grades have different strength properties. Common steel grades include A36, A572, and 4140. Consult the specifications or consult an engineer to determine the specific grade of the steel round bar you are working with. 2. Calculate the cross-sectional area: The cross-sectional area of a round bar can be calculated using the formula A = πr², where A represents the area and r represents the radius of the round bar. Make sure to convert the diameter to radius by dividing it by 2. 3. Determine the allowable stress: The allowable stress is the maximum stress that a material can withstand before it deforms or fails. This value can be obtained from engineering handbooks or by consulting an engineer. 4. Apply the formula for load capacity: The load capacity of a round bar can be calculated using the formula Load Capacity = Allowable Stress × Cross-sectional Area. 5. Consider safety factors: In engineering applications, it is common to apply safety factors to ensure the structure's safety. These factors depend on the specific application and the level of reliability required. Consult the appropriate safety factor for your project to determine the final load capacity. It's important to note that calculating the load capacity of a steel round bar is a complex process that requires expertise in structural engineering. If you are unsure or need precise calculations, it is best to consult a qualified engineer who can provide detailed analysis based on the specific parameters of your project.

Q:What is the difference between a centerless ground and a cold finished steel round bar?: A centerless ground steel round bar is produced by grinding the surface of the bar to achieve a precise diameter and smooth finish, while a cold finished steel round bar is produced by cold drawing the bar through a die to achieve the desired shape and size without any additional surface treatment. The centerless ground bar has tighter tolerances and a smoother surface, making it suitable for applications that require high precision and a polished appearance. On the other hand, the cold finished bar may have slightly looser tolerances and a rougher surface, but it is more cost-effective and suitable for applications that do not require extreme precision or a polished finish.

Q:Are steel round bars susceptible to cracking?: Yes, steel round bars can be susceptible to cracking under certain conditions. The specific factors that can contribute to cracking in steel round bars include high stress levels, improper heat treatment, and the presence of impurities or defects in the material. Additionally, sudden changes in temperature or excessive loading can also increase the likelihood of cracking. It is important to note that steel round bars can vary in their susceptibility to cracking depending on the specific grade and composition of the steel. Some types of steel, such as low carbon or mild steel, are generally less prone to cracking compared to higher carbon or alloy steels. To mitigate the risk of cracking, proper handling and storage of steel round bars is crucial. This includes avoiding dropping or mishandling the bars, as well as storing them in a dry and controlled environment to prevent corrosion. Furthermore, proper heat treatment processes, such as annealing or tempering, can help improve the structural integrity of steel round bars and reduce the risk of cracking. Additionally, regular inspections and testing for any potential defects or impurities can help identify and address any issues before they lead to cracking. Overall, while steel round bars can be susceptible to cracking, taking appropriate precautions and utilizing proper manufacturing and handling techniques can minimize the risk and ensure the integrity of the bars.

Q:What are the different types of steel round bar alloys used in the automotive industry?: Different types of steel round bar alloys are utilized in the automotive industry for their distinct properties and applications. 1. Carbon Steel: Carbon steel round bars are extensively employed due to their favorable attributes of strength and toughness. They find use in various automotive components like axles, crankshafts, and gears. 2. Alloy Steel: Alloy steel round bars comprise additional alloying elements such as chromium, nickel, or molybdenum. These alloys enhance the mechanical properties of the steel, rendering it stronger and more durable. Automotive applications like suspension components, drive shafts, and steering components commonly employ alloy steel round bars. 3. Stainless Steel: Automotive applications that demand durability in harsh environments benefit from the highly corrosion-resistant nature of stainless steel round bars. Exhaust systems, fuel tanks, and body parts are frequently made using stainless steel. 4. Tool Steel: Tool steel round bars exhibit high hardness, wear resistance, and toughness. They are predominantly used in the production of automotive tools and dies, like punches, dies, and cutting tools. 5. Bearing Steel: Bearing steel round bars are specifically designed to offer excellent wear resistance and high load-carrying capacity in automotive bearings. These bars possess a high level of hardness and undergo heat treatment to ensure optimal performance. 6. Spring Steel: Automotive suspension systems and other applications that necessitate exceptional elasticity and fatigue resistance utilize spring steel round bars. These bars are capable of enduring repeated stress while maintaining their shape, making them ideal for automotive springs and stabilizer bars. It is crucial to consider the desired properties, performance requirements, and cost considerations of each automotive component when selecting a specific steel alloy.

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