Carbon Structural Steel Round Bar ASTM1020/GB20/DINC22
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- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 500000 m.t./month
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Specification
Carbon Structural Steel Round Bar ASTM1020/GB20/DINC22
Product Description of Carbon Structural Steel Round Bar ASTM1020/GB20/DINC22
1. Steel grade: SAE1020, 20#, C22, S20C
2. Length: 6M-12M
3. Diameter: 16mm-300mm
4. Product range: round bar, flat bar, square bar
5. Technique: Hot rolled, forged, cold drawn
Specification of Carbon Structural Steel Round Bar ASTM1020/GB20/DINC22
Material | ASTM 1020 | Round bar | Dia(mm) | 16-300mm |
Process | EAF + LF + VD + Forged + Heat Treatment (optional) | Length (mm) | Max 12m | |
Heat treatment | Normalized / Annealed / Quenched / tempered | Flat bar | Thickness(mm) | 8-500mm |
Delivery condition | Hot forged +Rough machined (black surface after Q/T)+ Turned (optional) | Width(mm) | 70-200mm | |
Test | Ultrasonic test according to SEP 1921-84 D/d | Length (mm) | Max 12m |
Chemical Composition of Carbon Structural Steel Round Bar ASTM1020/GB20/DINC22
C | Si | Mn | Cr | Ni | Cu |
0.17~0.23 | 0.17~0.37 | 0.35~0.65 | ≤0.25 | ≤0.30 | ≤0.25 |
Photo Show of Carbon Structural Steel Round Bar ASTM1020/GB20/DINC22
Packing and Delivery:
Packing in bundle package, or as customer's requirements.
Delivery Detail: 45 days after receiving the deposit.
Usage and Applications of Carbon Structural Steel Round Bar ASTM1020/GB20/DINC22
1. Steel round bar is used in a large number of architectural and engineering structures. Or it can be used in construction of plants for the production of steel house frames, high-voltage transmission towers, bridges, vehicles, boilers, containers, ships, etc.
2. And we can use this kind of product on the performance of the mechanical parts if the demand is not very high.
3. Some special material steel round bar can be used for main shaft of steamer, hummer shank, with big section and supper force.
Company Information
CNBM International Corporation is the most important trading platform of CNBM group.
Whith its advantages, CNBM International are mainly concentrate on Cement, Glass, Iron and Steel, Ceramics industries and devotes herself for supplying high qulity series of refractories as well as technical consultancies and logistics solutions.
F A Q
1, Your advantages?
professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent customer solution proposale
2, Test & Certificate?
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem
3, Factory or Trading Company?
CNBM is a trading company but we have so many protocol factories and CNBM works as a trading department of these factories. Also CNBM is the holding company of many factories.
4, Payment Terms?
30% TT as deposit and 70% before delivery.
Irrevocable L/C at sight.
5, Trading Terms?
EXW, FOB, CIF, FFR, CNF
6, After-sale Service?
CNBM provides the services and support you need for every step of our cooperation. We're the business partner you can trust.
For any problem, please kindly contact us at any your convenient time.
We'll reply you in our first priority within 24 hours.
- Q: Are steel round bars resistant to corrosion?
- Yes, steel round bars can be resistant to corrosion depending on the type of steel and the environment they are exposed to. Stainless steel round bars, for example, contain chromium which forms a thin passive layer on the surface that protects against corrosion. This layer is self-repairing and provides excellent resistance to corrosion in many environments, including moisture, chemicals, and saltwater. However, carbon steel round bars are not inherently corrosion-resistant and may require additional protective coatings or treatments to prevent corrosion. Therefore, it is important to consider the specific type of steel and the intended application when determining the corrosion resistance of steel round bars.
- Q: What is the difference between a centerless ground and a cold finished steel round bar?
- A centerless ground steel round bar and a cold finished steel round bar are both types of steel bars that have undergone different manufacturing processes, resulting in distinct characteristics and properties. A centerless ground steel round bar is produced by feeding a hot rolled or cold drawn steel bar through a grinding machine. This process removes any surface imperfections or irregularities, resulting in a smooth and uniform surface finish. The centerless grinding process also ensures tight dimensional tolerances, making the bar suitable for applications that require precise measurements. Additionally, centerless ground bars have improved straightness and roundness, which enhances their overall quality and suitability for various machining operations. On the other hand, a cold finished steel round bar is produced by cold drawing or cold rolling a hot rolled steel bar. This process involves reducing the diameter of the bar while maintaining its length, resulting in a more precise and consistent size. Cold finishing also improves the surface finish of the bar, making it smoother and more uniform. Cold finished bars have tighter dimensional tolerances and improved mechanical properties, including higher strength and hardness compared to hot rolled bars. In summary, the main difference between a centerless ground and a cold finished steel round bar lies in the manufacturing processes used and their resulting characteristics. Centerless ground bars have a smooth surface finish, tight dimensional tolerances, improved straightness, and roundness, making them suitable for precise machining applications. Cold finished bars, on the other hand, have a more precise size, improved surface finish, tighter dimensional tolerances, and enhanced mechanical properties, making them suitable for various applications requiring higher strength and hardness.
- Q: What are the factors to consider when selecting a steel round bar for a specific application?
- When selecting a steel round bar for a specific application, several factors need to be considered. Firstly, the desired mechanical properties such as strength, hardness, and toughness should be evaluated based on the application's requirements. Secondly, the chemical composition of the steel, including elements like carbon, alloying elements, and impurities, should be analyzed to ensure compatibility with the intended use. Additionally, the dimensions and tolerances of the round bar must be considered to ensure proper fit and functionality. Other factors to consider include surface finish, heat treatment requirements, corrosion resistance, and cost. Overall, a comprehensive understanding of the application's needs and careful consideration of these factors will help in selecting the appropriate steel round bar.
- Q: Can steel round bars be used for making tie rods?
- Indeed, tie rods can be fashioned from steel round bars. Owing to their robustness and endurance, steel round bars find widespread usage in the realm of construction and engineering. By offering structural reinforcement and stability, tie rods serve a vital purpose, and steel round bars are particularly appropriate for this task. Possessing remarkable tensile strength, they can withstand substantial loads and tension, rendering them a perfect selection for tie rods. Moreover, steel round bars enable effortless fabrication and welding, thereby allowing for adaptability and versatility in the creation and assembly of tie rods.
- Q: What is the maximum length of a steel round bar available?
- The maximum length of a steel round bar that is available can differ due to different factors, including manufacturing capabilities, transportation restrictions, and customer demands. Nonetheless, in general, steel round bars can be manufactured in lengths that span from a few feet to several meters. The precise maximum length will be influenced by the size and diameter of the round bar, as well as other logistical factors to take into account. It is crucial to seek guidance from steel suppliers or manufacturers to ascertain the maximum length that is available for a particular type and size of steel round bar.
- Q: Are steel round bars suitable for the production of hydraulic cylinders?
- Yes, steel round bars are suitable for the production of hydraulic cylinders. Steel is a material known for its strength, durability, and resistance to corrosion, making it an excellent choice for hydraulic applications. Steel round bars are often used in the construction of hydraulic cylinders due to their high tensile strength and ability to withstand heavy loads and pressure. Additionally, steel can be easily machined and welded, allowing for precise manufacturing and customization of hydraulic cylinders. Overall, steel round bars provide the necessary qualities and performance required for the production of hydraulic cylinders.
- Q: Can steel round bars be used in marine environments?
- Yes, steel round bars can be used in marine environments. However, it is important to choose the right type of steel that is specifically designed for marine applications. Stainless steel is the most commonly used type of steel in marine environments due to its corrosion-resistant properties. It contains a high percentage of chromium, which forms a protective oxide layer on the surface of the steel, preventing corrosion from saltwater and other harsh elements. Additionally, stainless steel round bars are known for their strength and durability, making them suitable for various marine applications such as shipbuilding, offshore structures, and marine equipment. Regular maintenance and proper care are also essential to ensure the longevity and performance of steel round bars in marine environments.
- Q: What are the advantages of using nickel-copper alloy steel round bars?
- There are several advantages of using nickel-copper alloy steel round bars. Firstly, these bars offer excellent corrosion resistance, making them ideal for applications in marine environments or industries where exposure to harsh chemicals is common. Secondly, nickel-copper alloy steel round bars possess high strength and durability, ensuring their ability to withstand heavy loads and extreme conditions. Additionally, these bars exhibit excellent heat resistance, making them suitable for high-temperature applications such as in the aerospace or automotive industries. Finally, the nickel-copper alloy steel round bars have good weldability and machinability, allowing for easy fabrication and customization. Overall, these advantages make nickel-copper alloy steel round bars a reliable and versatile choice for various industrial applications.
- Q: Can steel round bars be heat treated after machining?
- After machining, steel round bars can undergo heat treatment to enhance their physical and mechanical properties. By subjecting the material to controlled heating and cooling, heat treatment can modify the steel, among other materials, in terms of its hardness, strength, and toughness. Machining refers to the process of shaping or removing material from a workpiece through the use of various tools and techniques. To improve the mechanical properties of steel round bars, heat treatment can be applied after the machining process. The selection of a specific heat treatment procedure depends on the desired properties and the specific type of steel employed. Common heat treatment methods for steel encompass annealing, tempering, quenching, and normalizing. It is crucial to acknowledge that machining may introduce stress into the steel round bar, which can impact the efficacy of the subsequent heat treatment. Hence, the sequencing of machining and heat treatment should be carefully considered to achieve optimal outcomes. Furthermore, during the machining process, precautions must be taken to minimize excessive heat generation or damage to the material, as these factors can affect the effectiveness of heat treatment.
- Q: Can steel round bars be used for making oil and gas industry components?
- Steel round bars are a suitable choice for the production of oil and gas industry components. This is because they possess qualities like high strength, durability, and resistance to corrosion, which are highly valued in this sector. The demanding conditions of the industry, including harsh environments, high pressures, and extreme temperatures, necessitate materials that can endure such challenges. Steel round bars satisfy these requirements and are frequently employed to manufacture essential components like valves, flanges, pipes, and fittings. These components play a crucial role in the smooth functioning of the oil and gas industry. Moreover, the versatility of steel round bars allows for easy machining and welding, enabling the creation of intricate shapes and structures that are integral to this industry. In summary, steel round bars are a dependable and extensively utilized material in the production of oil and gas industry components.
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Carbon Structural Steel Round Bar ASTM1020/GB20/DINC22
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 500000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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