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:Are steel round bars suitable for marine propeller applications?
- Yes, steel round bars are suitable for marine propeller applications. Steel is a commonly used material for marine propellers due to its high strength, durability, and corrosion resistance properties. Steel round bars can be machined and formed into the desired shape for propeller blades, providing excellent performance in a marine environment. Additionally, steel can withstand the high stresses and forces experienced by propellers in water, making it a reliable choice for marine propulsion systems.
- Q:Cold drawn steel wire is a round bar or thread steel in Construction Engineering?
- Of course it belongs to round bar. Thread steel can not be obtained by cold drawing. Besides, the outer diameter of the cold drawn steel wire is smaller, the surface is smoother and the hardness is slightly higher.
- Q:Can steel round bars be used in the manufacturing of electrical components?
- Indeed, the utilization of steel round bars is feasible in the production of electrical components. The malleable nature of steel renders it a flexible material that endows exceptional vigor and robustness, thus rendering it apt for a plethora of applications, including the manufacturing of electrical components. Steel round bars can be employed as linkages, connectors, or supports in electrical devices and apparatus. Consequently, they impart stability, reinforcement, and shielding to the electrical components, guaranteeing their optimal operation and protracted lifespan. Furthermore, steel is easily machinable, weldable, and moldable, thereby enabling manufacturers to tailor the round bars to the specific requirements of the electrical components. Nevertheless, one must bear in mind that depending on the precise application and environment in which they are employed, steel round bars may necessitate appropriate insulation or coating to prevent any electrical conductivity or interference.
- Q:Can steel round bars be used in the production of electrical equipment?
- Yes, steel round bars can be used in the production of electrical equipment. Steel is a highly versatile and durable material that can provide structural support and conductivity in various electrical components. The round shape of the bars allows for easy fabrication and assembly, making them suitable for use in electrical equipment manufacturing.
- Q:Can steel round bars be used in the automotive manufacturing?
- Yes, steel round bars can be used in automotive manufacturing. Steel round bars are commonly used in the production of various automotive components such as axles, crankshafts, connecting rods, and suspension parts. They offer excellent strength, durability, and impact resistance, making them suitable for withstanding the rigorous demands of automotive applications. Additionally, steel round bars can be easily machined and fabricated to meet specific design requirements, ensuring precise and reliable performance in the automotive industry.
- Q:What are the advantages of using non-alloy steel round bars?
- There are several advantages of using non-alloy steel round bars. Firstly, non-alloy steel round bars are known for their high strength and durability. They have a higher tensile strength compared to alloy steel, making them suitable for various applications where strength is a crucial requirement. This makes them ideal for use in industries such as construction, automotive, and manufacturing. Additionally, non-alloy steel round bars have excellent weldability and machinability. They can be easily welded and formed into various shapes, allowing for flexibility in design and fabrication. This makes them convenient to work with and saves time and effort during the manufacturing process. Non-alloy steel round bars also have good corrosion resistance properties. They are less prone to rust and degradation, making them suitable for use in environments where exposure to moisture or corrosive substances is a concern. This corrosion resistance ensures the longevity and reliability of the steel bars, reducing maintenance and replacement costs in the long run. Furthermore, non-alloy steel round bars are cost-effective compared to alloy steel. They are more affordable and readily available, making them a cost-efficient choice for a wide range of applications. This affordability makes non-alloy steel round bars a popular choice for small-scale projects or businesses with budget constraints. Overall, the advantages of using non-alloy steel round bars include high strength, excellent weldability and machinability, good corrosion resistance, and cost-effectiveness. These qualities make them a versatile and reliable option for various industries and applications.
- Q:What are the typical yield strengths of different grades of steel round bars?
- The yield strength of steel round bars can vary depending on the specific grade of steel. Here are some typical yield strengths for different grades of steel round bars: - Mild steel round bars typically have a yield strength of around 250 MPa (megapascals) or 36,000 psi (pounds per square inch). - Carbon steel round bars can have a yield strength ranging from 350 to 550 MPa or 50,000 to 80,000 psi. - Alloy steel round bars, such as 4140 or 4340, generally have higher yield strengths compared to mild or carbon steel. The yield strength of these alloys can range from 550 to 850 MPa or 80,000 to 120,000 psi. - Stainless steel round bars come in various grades, and their yield strengths can vary accordingly. For example, austenitic stainless steels like 304 or 316 typically have yield strengths ranging from 200 to 300 MPa or 29,000 to 43,000 psi. On the other hand, duplex stainless steels like 2205 or 2507 can have higher yield strengths ranging from 450 to 650 MPa or 65,000 to 95,000 psi. It is important to note that these values are just typical ranges, and the actual yield strength of a specific grade of steel round bar may differ based on factors such as heat treatment, manufacturing process, and other variables. Therefore, it is always recommended to consult the manufacturer's specifications or industry standards for accurate and precise yield strength values of steel round bars.
- Q:What are the environmental benefits of using steel round bars?
- Steel round bars offer several environmental benefits: 1. Recyclability: Steel is one of the most recycled materials globally, reducing the need for new steel production and saving energy and resources. Moreover, recycling steel decreases landfill waste and helps combat environmental pollution. 2. Durability: Steel round bars have a long lifespan and high durability, minimizing the need for frequent replacements and reducing material consumption. Additionally, their durability decreases maintenance and repair requirements, further minimizing environmental impact. 3. Energy efficiency: The production of steel round bars requires less energy compared to materials like concrete or wood. This energy-saving feature applies to the entire product lifecycle, including extraction, manufacturing, transportation, and installation. 4. Reduced carbon emissions: Steel production emits less carbon dioxide (CO2) than other materials. By using steel round bars, we can help lower greenhouse gas emissions and combat climate change. Additionally, steel production can utilize alternative energy sources like renewable energy, further reducing carbon emissions. 5. Versatility and weight reduction: Steel round bars are versatile and applicable in various construction uses. Their high strength-to-weight ratio enables the creation of lightweight structures, resulting in reduced material requirements. This not only decreases environmental impact but also lowers transportation costs and fuel consumption during delivery. 6. Fire-resistant properties: Steel round bars exhibit exceptional fire resistance, which helps prevent the spread of flames and minimizes damage to structures. Consequently, this reduces the necessity for fire retardant chemicals that may have adverse environmental effects. In conclusion, the utilization of steel round bars presents numerous environmental advantages, including recyclability, durability, energy efficiency, reduced carbon emissions, weight reduction, and fire resistance. By choosing steel round bars, we can contribute to a more sustainable and eco-friendly construction industry.
- Q:What are the typical tolerances for steel round bars?
- The typical tolerances for steel round bars can vary depending on the specific requirements of the application or industry. However, there are generally accepted standard tolerances that are commonly used. For diameter, the typical tolerances for steel round bars are usually within a few thousandths of an inch. This means that the actual diameter of the bar can deviate slightly from the specified diameter, but it will still fall within an acceptable range. In terms of straightness, steel round bars are commonly produced with a straightness tolerance that allows for some deviation from a perfectly straight line. The typical tolerance for straightness is usually 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 aspect of steel round bars. The typical tolerance for surface finish is usually specified in terms of roughness average (Ra) or surface roughness in micrometers. This tolerance ensures that the surface of the bar is smooth and free from any 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 being used, as well as the intended application. In some cases, tighter tolerances may be required for precision or critical applications, while looser tolerances may be acceptable for less demanding applications. Therefore, it is always recommended to consult the relevant industry standards or specifications to determine the specific tolerances required for a particular steel round bar.
- Q:What are the advantages of using nickel-molybdenum-chromium alloy steel round bars?
- Nickel-molybdenum-chromium alloy steel round bars offer several advantages. Firstly, they exhibit excellent corrosion resistance due to the addition of nickel and chromium. This enhances their ability to withstand oxidation and various corrosive environments, making them ideal for applications where exposure to moisture or chemicals is a concern. Secondly, the inclusion of molybdenum in the alloy strengthens and toughens it. This makes the nickel-molybdenum-chromium alloy steel round bars suitable for high-stress applications, such as in the construction of heavy machinery or structures that require durability and resistance to wear and tear. In addition, this alloy steel demonstrates exceptional heat resistance. It can endure high temperatures without compromising its structural integrity, making it suitable for applications involving extreme heat, such as in the aerospace or power generation industries. Furthermore, nickel-molybdenum-chromium alloy steel round bars possess good weldability, allowing for ease of fabrication and versatility in various manufacturing processes. This makes them a preferred choice for engineers and manufacturers who require a material that can be easily formed or joined to create complex shapes or structures. Lastly, the nickel content in this alloy steel provides excellent resistance to cracking and brittleness, ensuring long-lasting reliability. This guarantees that the round bars will maintain their strength and structural integrity over an extended period, minimizing the risk of failure or breakage in critical applications. Overall, nickel-molybdenum-chromium alloy steel round bars offer enhanced corrosion resistance, improved strength and toughness, excellent heat resistance, good weldability, and high reliability. These qualities make them a preferred choice for a wide range of applications in industries such as construction, manufacturing, and aerospace.
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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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