good quality round steel bar for construction
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25000 m.t.
- Supply Capability:
- 10000 m.t./month
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Specifications of Round Bar
1. Grade: Q195, Q235, Q345
2. Diameter: 6mm-150mm
3. Length: 6m, 9m, 12m or as customer’s request
4. Tolerance: Within ±5% for weight; ±2mm for diameter
5. Note: The price can be better is the quantity is good
6. Chemical composition
Alloy No | Element (%) | ||||
C | Mn | S | P | Si | |
Q195 | 0.06-0.12 | 0.25 | ≤0.05 | ≤0.045 | ≤0.3 |
Q235 | 0.12—0.20 | 0.3—0.7 | ≤0.045 | ≤0.045 | ≤0.3 |
Q345 | ≤0.2 | 1.00-1.60 | ≤0.045 | ≤0.045 | ≤0.55 |
Usage and Applications of Round Bar
1. Chinese standard steel bar is often used where large amounts of steel need to be formed, for example as structural steel.
2. And we can use this kind of product on the performance of the mechanical parts if the demand is not very high.
3. Steel round bar is used in construction and a large number of architectural and engineering structures.
Packaging & Delivery of Round Steel Spring Bar:
-Packing Detail: The products can be packed in bundles by steel wires.
-Delivery Detail:
1, Delivery time: 30~45 working days after receive buyer’s T.T. or L/C.
2, Delivery status should be written in the contract. (Heat treatment or no)
Payment:
-Invoicing on theoretical weight or actual weight as customer’s request.
-FOB, CFR or CIF.
-Regular terms of payment:
1, 30% payment in advance, the remaining balance (70% payment) against the copy of B/L. 100% payment before shipment.
2, 30% payment in advance, the remaining balance (70% L/C) against the copy of B/L. 100% payment before shipment.
3, Negotiable.
Photos of Round Steel Spring Bar:
- 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.
- Q:What is the difference between a hot-rolled and a cold-drawn steel round bar?
- The main difference between a hot-rolled and a cold-drawn steel round bar lies in the manufacturing process. Hot-rolled steel round bars are formed by heating and rolling the steel at high temperatures, resulting in a rougher surface finish and less precise dimensions. On the other hand, cold-drawn steel round bars are formed by pulling the steel through a die at room temperature, resulting in a smoother surface finish and more precise dimensions. Cold-drawn steel round bars also tend to have improved mechanical properties and a higher strength-to-weight ratio compared to hot-rolled steel round bars.
- Q:What is the elasticity of a steel round bar?
- The elasticity of a steel round bar refers to its ability to return to its original shape after being subjected to external forces or deformation. Steel is known for its high elasticity, meaning it can withstand significant stress and strain without permanent deformation. This property makes steel round bars suitable for various applications, including construction, manufacturing, and engineering.
- Q:Are steel round bars suitable for use in the mining industry?
- Yes, steel round bars are suitable for use in the mining industry. Steel round bars are known for their strength, durability, and resistance to wear and tear, making them ideal for various mining applications. They can be used in the construction of machinery, equipment, and infrastructure within mines, as well as for support structures such as mine shafts and tunnels. The high tensile strength of steel round bars allows them to withstand heavy loads and extreme conditions commonly encountered in mining operations.
- Q:Can steel round bars be used in the manufacturing of hydraulic components?
- Yes, steel round bars can be used in the manufacturing of hydraulic components. Steel is a commonly used material in the manufacturing industry due to its durability, strength, and resistance to corrosion. Steel round bars can be machined, shaped, and forged to create various hydraulic components such as pistons, cylinders, and valves.
- Q:What are the weight calculations for steel round bars?
- The weight calculations for steel round bars depend on the diameter and length of the bar. The formula used to calculate the weight is weight = volume × density, where volume = π × (diameter/2)² × length and density = 7.85 g/cm³.
- Q:What is the difference between a hot rolled and a turned steel round bar?
- The main difference between a hot rolled and a turned steel round bar lies in the manufacturing process and the resulting characteristics of the finished product. A hot rolled steel round bar is produced by heating a billet or ingot of steel to a high temperature and then rolling it into the desired shape. This process allows for the steel to be formed and shaped easily, resulting in a bar with a rough surface and a slightly rounded or irregular shape. Hot rolling also helps to improve the overall strength and toughness of the steel, making it suitable for a wide range of applications. On the other hand, a turned steel round bar is produced by machining a hot rolled or cold drawn bar on a lathe. This process involves removing material from the surface of the bar using cutting tools, resulting in a smooth and precise finish. Turning also allows for greater dimensional accuracy and control over the final shape and size of the bar. In terms of surface finish and dimensional accuracy, a turned steel round bar generally offers a higher level of precision compared to a hot rolled bar. The turned bar has a smoother surface with fewer imperfections, making it ideal for applications where appearance and aesthetics are important. Additionally, the turned bar typically has 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 used in construction, manufacturing, and general engineering applications where strength and toughness are crucial. Turned bars, on the other hand, are often used in industries such as automotive, aerospace, and precision machining, where a high level of surface finish and dimensional accuracy is required. In summary, the difference between a hot rolled and a turned steel round bar lies in the manufacturing process and the resulting characteristics. Hot rolled bars offer strength and toughness, while turned bars provide a smoother surface finish and greater dimensional accuracy. The choice depends on the specific needs of the application.
- 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 application and industry standards. However, in general, the tolerance for diameter in steel round bars typically ranges from +/- 0.005 inches to +/- 0.010 inches.
- Q:Are steel round bars available in different shapes other than round?
- Steel round bars are generally only found in round shapes. The term "round bar" specifically describes a cylindrical shape with a circular cross section. Nevertheless, there are alternative steel bar types in various shapes, including square bars, flat bars, and hexagonal bars. These bars possess distinct traits and applications that render them appropriate for different purposes. Consequently, although steel round bars are restricted to round shapes, the market offers a selection of steel bars in different shapes to accommodate diverse needs.
- Q:Can steel round bars be hardened through heat treatment?
- Yes, steel round bars can be hardened through heat treatment. Heat treatment is a process that involves heating the steel to a specific temperature and then rapidly cooling it to achieve the desired hardness and strength. There are different heat treatment methods, such as quenching and tempering, which can be used to harden steel round bars. Quenching involves heating the steel to a critical temperature and then rapidly cooling it in a liquid medium, such as oil or water, to achieve maximum hardness. Tempering, on the other hand, involves reheating the quenched steel to a lower temperature to reduce brittleness and improve toughness while maintaining a desirable hardness level. Heat treatment can significantly improve the mechanical properties of steel round bars, making them suitable for various applications that require high strength and hardness.
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good quality round steel bar for construction
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25000 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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