Carbon Structural Steel Square Bars ST37-2CR
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 120000 m.t./month
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Carbon Structural Steel Square Bars ST37-2CR
Product Specification
1, Chemical Composition %
| Grade | C | Si | Mn | S | P | Cr |
| ST37-2CR | 0.21-0.25 | ≤0.35 | ≤1.4 | ≤0.045 | ≤0.045 | ≥0.30 |
2, Mechanical Properties
| Strength of Extension σb | Yield Strength σs | Impact AKv |
| 340-470 Mpa | ≥235 Mpa | ≥27J |
3, Diameter: 9mm, 9.8mm, 10mm, 12mm, 12.5mm, 13mm, 15mm, 15.87mm, 16mm, 19mm, 20mm, 22mm,
25mm, 25.4mm, 28mm, 38mm, 50mm, 51.5mm, 53mm, 65mm, 75mm, 100mm
Application
1, Widely used in construction and engineering structure.
2, Widely used in making reinforcing steel bar or building plant room rack, high voltage transmission tower, bridge, vehicle, boiler, vessel, ship, etc.
3, Widely used in manufacturing mechanical parts which are not required to be with high performance.
Product Main Points
1, Heat Treatment: normalizing, annealing, tempering, quenching
2, Surface Treatment: black, grinding, bright, polish
3, Product Process: hot rolled, cold drawn, forged
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- Q: What are the different grades of steel used in round bars?
- The different grades of steel used in round bars vary depending on the desired properties and applications. Some common grades include mild steel (low carbon steel), stainless steel, alloy steel, and tool steel. Each grade offers specific characteristics such as strength, corrosion resistance, hardness, or machinability, allowing for a wide range of applications in industries like construction, manufacturing, automotive, and aerospace.
- Q: What is the difference between a smooth and a deformed steel round bar?
- A smooth steel round bar refers to a bar that has a consistently even surface without any visible imperfections or deformities. It is typically manufactured through a process called hot rolling, where a steel billet is heated and passed through a series of rolling mills to achieve the desired shape and surface finish. Smooth steel round bars are commonly used in applications where aesthetics and surface quality are important, such as architectural designs or decorative metalwork. On the other hand, a deformed steel round bar has intentional deformations or patterns on its surface. These deformations can take various forms, including ridges, ribs, or indentations. The purpose of adding deformations to the surface of a steel round bar is to enhance its bonding ability with concrete or other materials. The irregular surface of a deformed bar provides increased friction and better adhesion, improving the structural integrity of reinforced concrete structures. Deformed steel round bars are primarily used in construction projects, particularly in reinforced concrete structures like columns, beams, and slabs. The deformations on the surface of the bar help to prevent slippage between the steel and concrete, ensuring a stronger bond and improving the overall stability and durability of the structure. In summary, the main difference between a smooth and a deformed steel round bar lies in their surface characteristics and intended applications. Smooth bars have a uniform and smooth surface, ideal for applications where aesthetics and surface quality are important. Deformed bars, on the other hand, have intentional deformations to enhance bonding with concrete, making them suitable for construction projects requiring reinforced concrete structures.
- Q: Can steel round bars be used for making bicycle frames?
- Yes, steel round bars can be used for making bicycle frames. Steel is a popular material choice for bicycle frames due to its strength, durability, and ability to absorb vibrations. Steel round bars can be easily shaped and welded to create a sturdy and reliable frame for bicycles.
- Q: How do you prevent rust on steel round bars?
- To prevent rust on steel round bars, you can apply a protective coating such as paint, oil, or a rust inhibitor. Regular cleaning and maintenance, including keeping the bars dry and free from moisture, can also help prevent rust formation.
- Q: What is the difference between a solid and a hollow steel round bar?
- A cylindrical bar made entirely of solid steel material is called a solid steel round bar. It is completely filled and does not have any empty spaces inside. On the other hand, a hollow steel round bar is also cylindrical but has a hollow center, meaning there is empty space or a void within the bar. The primary distinction between a solid and a hollow steel round bar is their structural composition and the roles they fulfill. A solid steel round bar is typically used in applications where strength and durability are of utmost importance. It is commonly employed in construction, manufacturing, and engineering projects that require load-bearing capacity. Conversely, a hollow steel round bar is designed to be lighter in weight while still maintaining structural integrity. The hollow center allows for weight reduction while still providing sufficient strength for various applications. Hollow steel round bars are often utilized in industries such as aerospace, automotive, and marine, where reducing weight is crucial for enhanced fuel efficiency and overall performance. Furthermore, the empty space inside a hollow steel round bar also presents an opportunity for customization. It can be utilized to house other components, such as wires or piping, enabling a more streamlined and efficient design. This versatility makes hollow steel round bars suitable for various applications that necessitate both strength and weight reduction. In conclusion, the main difference between a solid and a hollow steel round bar lies in their structural composition and the roles they fulfill. Solid steel round bars are employed in applications that demand maximum strength and durability, while hollow steel round bars offer weight reduction and customization options, making them suitable for applications that prioritize lightweight design without compromising structural integrity.
- Q: How do steel round bars compare to copper round bars?
- Steel round bars and copper round bars have several key differences. Firstly, steel is a much stronger and more durable material compared to copper. Steel round bars can withstand higher levels of stress and are often used in heavy-duty applications requiring great strength, such as construction and engineering projects. On the other hand, copper round bars are softer and more malleable, making them ideal for electrical and plumbing applications. Additionally, steel round bars have better corrosion resistance than copper round bars. Steel can be coated or treated to prevent rust and corrosion, while copper is prone to oxidation and requires regular maintenance to prevent tarnishing. In terms of cost, steel round bars are generally less expensive than copper round bars. The availability and abundance of steel contribute to its lower price, while copper is a more scarce and costly material. Ultimately, the choice between steel and copper round bars depends on the specific application and requirements.
- Q: What are the advantages of using nickel-tungsten alloy steel round bars?
- There are several advantages to using nickel-tungsten alloy steel round bars. Firstly, the inclusion of nickel enhances the corrosion resistance of the bars, making them suitable for use in harsh environments. Additionally, the addition of tungsten improves the strength and hardness of the bars, making them highly durable and able to withstand heavy loads and high temperatures. Furthermore, the alloy steel composition provides excellent wear resistance, making these bars ideal for applications that require prolonged use or frequent contact with abrasive materials. Overall, nickel-tungsten alloy steel round bars offer a combination of corrosion resistance, strength, and durability, making them a reliable choice for various industrial applications.
- Q: What is the difference between a peeled and a polished steel round bar?
- A peeled steel round bar is a bar that has had its outer layer or skin removed through a peeling process, resulting in a smooth surface. On the other hand, a polished steel round bar undergoes a polishing process to enhance its appearance and create a reflective, shiny surface. While both bars have a smooth finish, the peeled bar focuses on removing imperfections and enhancing the structural integrity, whereas the polished bar prioritizes aesthetics and visual appeal.
- Q: Can steel round bars be used in the production of musical equipment?
- Yes, steel round bars can be used in the production of musical equipment. They can be utilized to create various components such as structural frames, supports, or even as part of the instrument itself. Steel is a versatile material known for its strength and durability, making it suitable for applications in the manufacturing of musical instruments.
- Q: What are the different types of steel round bar alloys for improved hardness and strength?
- There are several different types of steel round bar alloys that are known for their improved hardness and strength. Some of the most common alloys used for this purpose include: 1. Carbon Steel: Carbon steel is a popular choice for its exceptional strength and hardness. It contains a higher percentage of carbon compared to other alloys, which enhances its overall durability and resistance to wear and tear. 2. Alloy Steel: Alloy steel is a combination of carbon steel and other elements such as manganese, nickel, chromium, or vanadium. These additional elements improve the hardness and strength of the steel, making it more suitable for applications that require high tensile strength and toughness. 3. Stainless Steel: Stainless steel is a corrosion-resistant alloy that contains a minimum of 10.5% chromium. The addition of chromium enhances its hardness and strength, making it ideal for applications that require resistance to corrosion, heat, and wear. 4. Tool Steel: Tool steel is specifically designed to be used in the manufacturing of various tools. It is known for its high hardness, wear resistance, and strength. Tool steel often contains elements such as tungsten, molybdenum, or vanadium to improve its performance. 5. High-Speed Steel: High-speed steel is a type of tool steel that is specifically developed for use in high-speed cutting tools such as drills and milling cutters. It is known for its exceptional hardness and ability to retain its cutting edge even at elevated temperatures. 6. Maraging Steel: Maraging steel is a low-carbon, high-nickel alloy that is known for its exceptional strength, toughness, and resistance to fatigue. It is often used in applications that require high strength and durability, such as aerospace and defense industries. These are just a few examples of the different types of steel round bar alloys that are known for their improved hardness and strength. The specific choice of alloy depends on the intended application and the desired properties required for the end product.
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Carbon Structural Steel Square Bars ST37-2CR
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 120000 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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