SCM440 Forged or Hot Rolled Sae 4140 Alloy Steel Round Bars
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 123 m.t.
- Supply Capability:
- 2005544 m.t./month
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Description of steel round bar:
1. Commodity: Round steel bar
3. Technical: Hot rolling
2. Length: Min. 5.8meter, according to requirement.
3. Diameter: 16mm-250mm
5. Packing: In Bundle or according to your requirements.
Festures of steel round bar:
1.Dia 80-800mm Length:2000-13000mm or as required
2.Technique:Forged
3.Delivery Time:45 days
Specifications of steel round bar:
1. Commodity: Round steel bar
3. Technical: Hot rolling
2. Length: Min. 5.8meter, according to requirement.
3. Diameter: 16mm-250mm
Images of steel round bar:
FAQ:
1. What is your main market?
We mainly export to Asia such as Japan,Korea,Thailand and North America and Middle East.
2. How long is the lead time?
Delivery time: 45 days after order confirmed.
3. What payment term do you accept?
Payment: T/T or L/C at sight.
4.Why do you choose to cooperate with us?
We have over10 years experience in this business so we are able to provide you the high quality products with the best price.
- Q: What are the advantages of using magnesium-alloy steel round bars?
- Using magnesium-alloy steel round bars offers several benefits: 1. They are lightweight, making them ideal for industries that require weight reduction, such as aerospace and automotive. 2. Despite being lightweight, they have a high strength-to-weight ratio, ensuring structural integrity under high loads. 3. They have excellent corrosion resistance, making them suitable for outdoor and marine applications. 4. They are known for their superior machinability, allowing for precise and complex component manufacturing. 5. They effectively dissipate heat, making them ideal for applications that require heat management. 6. They contribute to a more sustainable and environmentally friendly manufacturing process due to magnesium's recyclability. 7. While they may have a higher initial cost, their lightweight nature leads to cost savings in transportation and installation. Additionally, their corrosion resistance and durability reduce long-term maintenance and replacement costs. In conclusion, magnesium-alloy steel round bars offer advantages such as lightweight, high strength-to-weight ratio, corrosion resistance, machinability, heat dissipation, eco-friendliness, and cost-effectiveness. They are highly desirable for industries that prioritize weight reduction, performance, and durability.
- Q: Can steel round bars be used in the defense industry?
- Yes, steel round bars can be used in the defense industry. They are commonly utilized in various applications such as building military vehicles, manufacturing weapons, and constructing defense structures due to their strength, durability, and versatility.
- Q: Can steel round bars be used for making hydraulic cylinders or pistons?
- Absolutely! Hydraulic cylinders or pistons can definitely be made using steel round bars. Steel, being a robust and long-lasting material, has the ability to endure the immense pressures and heavy loads that hydraulic cylinders and pistons usually encounter. It is possible to machine or shape the steel round bars into the desired dimensions for the hydraulic cylinder or piston. Furthermore, steel possesses excellent corrosion resistance properties, which is crucial for hydraulic systems that may come into contact with moisture or other corrosive substances. All in all, steel round bars are an ideal choice of material for the production of hydraulic cylinders and pistons.
- Q: What are the different types of steel round bar surface finishes?
- Steel round bars can be treated with various surface finishes to meet different needs. Some of the most commonly used finishes are: 1. Bright: By polishing the steel round bar, a shiny and reflective surface is achieved. This finish is often employed for decorative purposes or when aesthetics are important. 2. Grinded: To achieve a smooth and even surface, the outer layer of the steel round bar is removed using a grinding wheel or abrasive belt. This finish is useful for eliminating imperfections or creating a uniform surface for further processing. 3. Brushed: Fine lines are created on the surface of the steel round bar using a wire brush or abrasive pad. This finish is preferred for its unique aesthetic appeal and is commonly used in architectural applications. 4. Powder-coated: Dry powder is applied to the surface of the steel round bar and then cured using heat. This finish provides a durable and corrosion-resistant coating that can be applied in various colors and textures. 5. Galvanized: A protective zinc coating is applied to the steel round bar to prevent corrosion. This finish is commonly used in outdoor or marine applications where the steel is exposed to moisture or harsh environmental conditions. 6. Oiled: A thin layer of oil is applied to the surface of the steel round bar. This finish offers temporary protection against corrosion and is often used for short-term storage or transportation purposes. 7. Shot-blasted: Small metallic or non-metallic particles are propelled at high speeds onto the surface of the steel round bar. This process creates a textured finish that improves the adhesion of subsequent coatings or paints. Each type of surface finish has its own unique advantages and is selected based on the specific requirements of the application.
- Q: What are the options for joining steel round bars?
- There are several options for joining steel round bars, depending on the specific requirements and applications. Some common methods include welding, bolting, and adhesives. 1. Welding: Welding is a widely used method for joining steel round bars. It involves melting the ends of the bars and fusing them together using a welding process such as arc welding, MIG welding, or TIG welding. Welding provides a strong and durable joint that can withstand high loads and stresses. 2. Bolting: Bolting involves using bolts, nuts, and washers to join steel round bars. Holes are drilled through the bars, and bolts are inserted through these holes. The nuts are then tightened to secure the bars together. Bolting is a relatively simple and quick method, and it allows for disassembly and reassembly if required. 3. Adhesives: Adhesives can also be used to join steel round bars. High-strength industrial adhesives are applied to the mating surfaces of the bars, which are then pressed together and left to cure. Adhesive bonding can provide a strong and durable joint, particularly in applications where welding or bolting may not be feasible or desired. 4. Mechanical couplings: Mechanical couplings are specifically designed for joining steel round bars. These couplings typically consist of two separate components that are fitted over the ends of the bars and tightened together using screws, clamps, or other mechanical means. Mechanical couplings provide a reliable and secure joint without the need for welding or drilling. 5. Cold forming: In some cases, steel round bars can be joined through cold forming techniques such as swaging or crimping. These methods involve mechanically deforming the ends of the bars to create a tight and secure joint. Cold forming is often used in applications where welding or other traditional methods are not suitable. It is important to consider the specific requirements, load-bearing capacities, and environmental conditions when selecting the appropriate method for joining steel round bars. Consulting with a professional engineer or welder can help determine the best option based on the specific application and desired outcome.
- Q: What is the difference between a smooth and a precision ground steel round bar?
- A smooth steel round bar refers to a steel rod that has a plain surface without any specific surface treatment or finishing process. It is typically produced through hot rolling or cold drawing methods, resulting in a basic cylindrical shape with a relatively rough surface texture. Smooth steel round bars are commonly used in various applications where a smooth exterior finish is not a critical requirement. On the other hand, a precision ground steel round bar undergoes an additional manufacturing process to achieve a more precise and refined surface finish. The precision grinding process involves removing any imperfections or irregularities from the surface of the steel rod, resulting in a highly smooth and polished finish. This process ensures that the diameter of the round bar remains consistent along its length and that the surface has a superior level of finish and accuracy. Precision ground steel round bars are widely used in applications that demand tight tolerances, precision machining, or where a smooth and polished surface is essential. Industries such as aerospace, automotive, tooling, and manufacturing often rely on precision ground steel round bars for their high-quality surface finish, dimensional accuracy, and reliable performance. In summary, the main difference between a smooth and a precision ground steel round bar lies in the surface finish and level of precision achieved. While a smooth steel round bar has a basic, rough surface texture and is suitable for general applications, a precision ground steel round bar undergoes additional grinding processes to achieve a highly smooth, polished, and accurate surface finish, making it ideal for applications requiring tight tolerances and precision machining.
- Q: Can steel round bars be used for making transmission towers?
- Yes, steel round bars can be used for making transmission towers. Steel round bars are often used in the construction industry due to their strength, durability, and versatility. Transmission towers require materials that can withstand extreme weather conditions, support heavy loads, and provide structural stability. Steel round bars are able to meet these requirements, making them a suitable choice for the construction of transmission towers. Additionally, steel round bars can be easily fabricated and welded, allowing for efficient construction and installation of transmission towers.
- Q: Can steel round bars be used for making architectural or decorative elements?
- Certainly, steel round bars are an excellent choice for crafting architectural or decorative elements. These bars possess numerous advantages that render them perfect for such applications. To begin with, steel is an enduring and robust material, guaranteeing the longevity and stability of the architectural or decorative element. Moreover, steel round bars can be easily manipulated and personalized to fashion intricate designs, making them adaptable for various architectural styles and aesthetics. These bars can be employed to produce features such as railings, balustrades, ornamental gates, sculptures, or even pieces of furniture. Additionally, the sleek and polished surface of the steel round bars enhances their visual allure, rendering them ideal for decorative purposes. Furthermore, steel is resistant to corrosion, ensuring that the architectural or decorative element will remain intact and visually pleasing even in outdoor or high-moisture environments. In conclusion, steel round bars are a fitting and sought-after option for creating architectural or decorative elements owing to their durability, versatility, and visual appeal.
- 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: What are the maximum allowable stresses for steel round bars?
- The maximum allowable stresses for steel round bars are influenced by various factors, including the grade of steel, the type of loading, and the design code being adhered to. Typically, the maximum allowable stress for steel round bars is determined by considering the yield strength of the steel. The yield strength signifies the stress at which permanent deformation or yielding of the material takes place. Distinct grades of steel possess different yield strengths. For instance, mild steel usually exhibits a yield strength of approximately 250 MPa, while high-strength low-alloy (HSLA) steel can have a yield strength reaching up to 550 MPa. To ascertain the maximum allowable stress, it is customary to apply a safety factor to the yield strength. This safety factor accounts for uncertainties in material properties, loadings, and potential variations in manufacturing processes. The specific safety factor employed can vary based on the application and the design code being followed. For instance, in structural steel design, the American Institute of Steel Construction (AISC) prescribes a safety factor of 1.67 for the yield strength. Thus, the maximum allowable stress would be the yield strength divided by 1.67. In order to determine the appropriate maximum allowable stresses for steel round bars in specific applications, it is crucial to refer to relevant design codes, standards, or engineering specifications.
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SCM440 Forged or Hot Rolled Sae 4140 Alloy Steel Round Bars
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 123 m.t.
- Supply Capability:
- 2005544 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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