GB 45#/SAE 1045 Steel Round Bar 20mm/25mm
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50 m.t
- Supply Capability:
- 10000 m.t/month
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GB 45#/SAE 1045 Steel Round Bar 20mm/25mm
Description：
-Specification: 20mm/25mm
-Length: 6m/12m
-Standard: GB/SAE/Japanese Standard
-Material: GB 45#/SAE1045/S45C
Chemical Composition of GB 45#/SAE 1045 Steel Round Bar 20mm/25mm:
| C | Si | Mn | P | S | Ni | Cr | Cu |
| 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | ≤0.035 | ≤0.035 | ≤0.30 | ≤0.25 | ≤0.25 |
Packaging & Delivery of GB 45#/SAE 1045 Steel Round Bar 20mm/25mm:
Packaging Detail: All goods are packed in bundle with steel strips and shipped by break bulk vessel or container (depend on target market and different ports)
Delivery Detail: 45 days
MOQ: 50 tons per specification; we can negotiate the quantity if the specification is normal or we have stock of one specification.
Weight: The price invoicing on theoretical weight basis or actual weight basis depends on customer’s request.
Shipment: The shipment of bulk break or container is depends on customer’s request and the situation of the port of destination.
Documents given: Full set of original clean on board bill of lading; Original signed commercial invoice; Original packing list; Policy of insurance; Certificate of origin and what the target market needs.
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.
2, 30% payment in advance, the remaining balance (70% L/C) against the copy of B/L.
3, Negotiable.
Images of GB 45#/SAE 1045 Steel Round Bar 20mm/25mm:
*If you would like to get our price, please inform us the size, standard/material and quantity. Thank you very much for your attention.
- Q: What is the difference between a seamless and a precision ground steel round bar?
- A seamless steel round bar is made from a solid cylindrical steel billet that is heated and pierced to create a hollow tube-like structure. This process ensures a consistent outer diameter throughout the length of the bar, making it suitable for applications that require a smooth surface finish and high dimensional accuracy. Seamless round bars are commonly used in industries such as oil and gas, automotive, and aerospace. On the other hand, a precision ground steel round bar is manufactured by taking a hot-rolled or cold-drawn steel bar and subjecting it to precision grinding processes. This involves removing any surface imperfections, achieving tight dimensional tolerances, and providing a smooth and polished finish. Precision ground round bars are typically used in applications that require tight tolerances, excellent surface finish, and dimensional consistency, such as in the manufacturing of machinery parts, tools, and components. In summary, the main difference between a seamless and a precision ground steel round bar lies in the production process and the resulting properties. Seamless round bars are made from a hollow tube-like structure, ensuring a consistent outer diameter, while precision ground round bars are produced by grinding a solid steel bar to achieve tight tolerances and superior surface finish. Both types of round bars have their own advantages and are used in various industries depending on the specific application requirements.
- Q: What are the different specifications for steel round bars?
- There are several specifications that are used to describe steel round bars. These specifications include the diameter, length, tolerance, and grade of the steel used. The diameter of a steel round bar is a key specification, as it determines the size of the bar. Common diameters range from 1/4 inch to 12 inches, with various increments in between. The diameter is usually measured across the widest point of the bar. The length of a steel round bar refers to its overall size from end to end. Standard lengths range from 10 to 20 feet, although custom lengths can also be obtained. The length is an important factor to consider when determining the quantity needed for a specific project. Tolerance is another specification that describes the allowable deviation from the specified diameter or length. It ensures that the steel round bar meets the required dimensions and can be used effectively. Tolerance values are typically expressed in plus or minus values, such as +/- 0.005 inches. The grade of steel used in round bars is also specified, indicating the quality and strength of the material. Common grades include carbon steel, alloy steel, stainless steel, and tool steel. Each grade has its own unique properties and is suitable for different applications based on the desired strength, corrosion resistance, and machinability. In addition to these specifications, other factors such as surface finish and heat treatment may also be specified depending on the intended use of the steel round bars. These specifications ensure that the steel meets the necessary requirements for a particular application, whether it be in construction, manufacturing, or other industries.
- Q: Can steel round bars be used for making engine parts?
- Yes, steel round bars can be used for making engine parts. Steel round bars are often used in the manufacturing of engine components due to their high strength, durability, and resistance to heat and corrosion. They can be machined into various shapes and sizes to create engine parts such as crankshafts, camshafts, connecting rods, and valves. The use of steel round bars ensures the required mechanical properties and structural integrity needed for engine performance and reliability. Additionally, steel round bars can be heat-treated and surface-treated to further enhance their properties, making them suitable for engine applications.
- Q: What are the advantages of using corrosion-resistant steel round bars?
- Using corrosion-resistant steel round bars offers numerous benefits. Firstly, these bars possess a high resistance to corrosion, enabling them to withstand exposure to moisture, chemicals, and other corrosive elements without experiencing significant damage. This makes them ideal for use in environments where the risk of corrosion is high, such as coastal areas or industrial settings. Secondly, corrosion-resistant steel round bars have a longer lifespan compared to regular steel bars. Their ability to resist corrosion ensures that they maintain their structural integrity and strength over time, reducing the need for frequent replacements. This not only saves costs but also minimizes the downtime associated with maintenance and repairs. Furthermore, the utilization of corrosion-resistant steel round bars enhances safety. When steel bars corrode, they can weaken and eventually fail, posing a risk to buildings, infrastructure, and even human lives. By employing corrosion-resistant steel round bars, the risk of structural failures due to corrosion is significantly reduced, ensuring the safety of individuals and property. In addition, corrosion-resistant steel round bars offer versatility in design and application. These bars can be easily fabricated and shaped into various configurations, making them suitable for a wide range of construction projects. They can be utilized in the construction of bridges, buildings, marine structures, pipelines, and many other applications where corrosion resistance is crucial. Lastly, corrosion-resistant steel round bars contribute to environmental sustainability. The longer lifespan of these bars decreases the need for frequent replacements, consequently reducing the demand for raw materials and minimizing waste. Furthermore, their resistance to corrosion results in less maintenance and repair work, leading to lower energy consumption and fewer carbon emissions. In conclusion, the advantages of using corrosion-resistant steel round bars include their resistance to corrosion, extended lifespan, enhanced safety, versatility in design, and positive environmental impact. These qualities make them a cost-effective and dependable choice for various construction and infrastructure projects.
- Q: What are the different types of steel round bars available in the market?
- There are several different types of steel round bars available in the market, each with its own unique characteristics and applications. Some of the most common types include: 1. Mild Steel Round Bars: These are the most commonly used type of steel round bars due to their versatility and affordability. They have a low carbon content and are easy to weld and machine, making them suitable for a wide range of applications. 2. Carbon Steel Round Bars: Carbon steel round bars have a higher carbon content than mild steel, which gives them increased strength and hardness. They are commonly used in applications that require high strength, such as construction and machinery manufacturing. 3. Alloy Steel Round Bars: Alloy steel round bars are made by adding various alloying elements, such as chromium, nickel, or molybdenum, to improve their mechanical properties. These bars offer enhanced strength, toughness, and resistance to wear and corrosion, making them ideal for applications in the aerospace, automotive, and oil and gas industries. 4. Stainless Steel Round Bars: Stainless steel round bars are highly corrosion-resistant due to the presence of chromium, which forms a protective oxide layer on the surface. They are widely used in industries such as food processing, pharmaceuticals, and chemical processing, where resistance to corrosion and hygiene are crucial. 5. Tool Steel Round Bars: Tool steel round bars are specifically designed for tooling applications, such as cutting, drilling, and shaping materials. They have high hardness, wear resistance, and heat resistance, making them suitable for manufacturing tools and dies. 6. Duplex Steel Round Bars: Duplex steel round bars are a type of stainless steel that contains both austenitic and ferritic microstructures. They offer a combination of high strength, excellent corrosion resistance, and good weldability, making them ideal for applications in the chemical and petrochemical industries. These are just a few examples of the different types of steel round bars available in the market. The choice of the right type depends on the specific requirements of the application, including strength, corrosion resistance, machinability, and cost.
- Q: What are the different types of steel round bars used in the automotive drivetrain systems?
- There are several types of steel round bars commonly used in automotive drivetrain systems, including alloy steel, carbon steel, and stainless steel. These bars are chosen based on their specific properties and characteristics, such as strength, durability, and resistance to corrosion. The selection of the type of steel round bar depends on the specific application and requirements of the drivetrain system.
- Q: How are steel round bars used in the automotive industry?
- Steel round bars are commonly used in the automotive industry for a variety of applications due to their strength, durability, and versatility. One of the main uses of steel round bars in the automotive industry is for the production of crankshafts. Crankshafts play a crucial role in converting the reciprocating motion of the pistons into rotational motion, powering the vehicle. Steel round bars are ideal for this application as they offer high tensile strength, excellent fatigue resistance, and the ability to withstand high torque loads. Steel round bars are also used in the manufacturing of axles. Axles are responsible for transferring power from the engine to the wheels, supporting the weight of the vehicle, and providing stability. Steel round bars provide the necessary strength and rigidity required to handle the heavy loads and forces experienced by the axles. Additionally, steel round bars are utilized in the production of suspension components such as tie rods and sway bars. Tie rods are crucial for steering and maintaining proper alignment, while sway bars help to control body roll and improve handling. Steel round bars are preferred for these applications because they offer excellent torsional strength, allowing them to withstand the forces and stresses encountered during steering and suspension movements. Furthermore, steel round bars find use in the production of transmission shafts. Transmission shafts are responsible for transmitting power from the engine to the wheels via the gearbox. Steel round bars are well-suited for this application due to their high strength, resistance to bending, and ability to handle the rotational forces and torque generated by the engine. In summary, steel round bars are widely used in the automotive industry for various applications such as crankshafts, axles, suspension components, and transmission shafts. Their superior strength, durability, and versatility make them an ideal choice for these critical components, ensuring the safety, performance, and reliability of vehicles.
- Q: Are steel round bars available in different shapes?
- Typically, steel round bars are solely obtainable in a cylindrical or circular form. The designation "round bar" specifically pertains to the steel's shape, generally a solid cylindrical unit. Nevertheless, alternative steel bars are accessible in diverse shapes, such as square bars, flat bars, or hexagonal bars, presenting distinct attributes and applications.
- Q: What are the different types of steel round bar surface finishes for improved cleanliness?
- There are several types of steel round bar surface finishes that can help improve cleanliness. Some common finishes include hot rolled, cold drawn, turned and polished, and ground finishes. These finishes remove surface impurities and provide a smoother and cleaner surface, making the steel round bar more suitable for various applications.
- Q: Can steel round bars be plated?
- Indeed, it is possible to plate steel round bars. Plating, a widely employed technique, serves to augment the aesthetics and safeguard the surface of the bars. The choice of plating material, be it chrome, nickel, or zinc, hinges upon the desired outcome and intended usage of the steel bars. Through plating, one can achieve heightened resistance to corrosion, improved hardness or wear resistance, as well as an appealing final touch. It is imperative to underscore the significance of adequately preparing and cleansing the steel surface prior to plating, as this guarantees a robust and top-notch plated finish.
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GB 45#/SAE 1045 Steel Round Bar 20mm/25mm
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50 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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