GB 45#/SAE 1045 Steel Round Bar 28mm/30mm
- 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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Quality Product, Order Online Tracking, Timely Delivery
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GB 45#/SAE 1045 Steel Round Bar 28mm/30mm
Description：
-Specification: 28mm/30mm
-Length: 6m/12m
-Standard: GB/SAE/Japanese Standard
-Material: GB 45#/SAE1045/S45C
Chemical Composition of GB 45#/SAE 1045 Steel Round Bar 28mm/30mm:
| 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 28mm/30mm:
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 a s 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 28mm/30mm:
*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: Can steel round bars be heat treated to improve their mechanical properties?
- Steel round bars can undergo heat treatment to enhance their mechanical properties. Heat treatment involves heating the steel to a specific temperature, maintaining it at that temperature for a certain duration, and then cooling it rapidly or slowly. This process can modify the microstructure of the steel, resulting in changes to its hardness, strength, toughness, and other mechanical properties. Various types of heat treatment processes can be applied to steel round bars, depending on the desired outcome. For instance, annealing is a process that entails heating the steel to a specific temperature and subsequently cooling it gradually. This method helps alleviate internal stresses in the steel, enhance its ductility, and facilitate machining. Another commonly used heat treatment process is quenching and tempering. This involves heating the steel to a specific temperature and rapidly cooling it, often by immersing it in an oil or water quenching medium. This swift cooling process helps strengthen the steel, making it more resistant to wear and abrasion. Following quenching, the steel is typically tempered by reheating it to a lower temperature, reducing its brittleness and improving its toughness. In addition to annealing and quenching and tempering, other heat treatment processes such as normalizing, case hardening, and precipitation hardening can also be employed to enhance the mechanical properties of steel round bars. These processes involve different heating and cooling techniques, and are utilized to achieve specific outcomes based on the desired properties of the steel. Overall, heat treatment is a versatile and effective approach for improving the mechanical properties of steel round bars. By carefully controlling the heating and cooling process, significant improvements in hardness, strength, toughness, and other properties can be achieved, rendering the steel suitable for a wide range of applications.
- Q: What is the difference between seamless and welded steel round bars?
- Seamless and welded steel round bars differ primarily in the manufacturing process and the resulting characteristics of the final product. Seamless steel round bars are manufactured by piercing a solid billet of steel to create a hollow tube. This tube is then elongated and further processed to achieve the desired dimensions and surface finish. The seamless manufacturing process ensures that there are no welds or joints along the length of the bar. As a result, seamless steel round bars have a uniform composition and structure throughout, providing excellent strength and reliability. They are often preferred when high pressure or high-temperature applications are involved, as they offer better resistance to internal and external pressure. On the other hand, welded steel round bars are made by joining two or more pieces of steel together through welding techniques. This involves heating the ends of the steel pieces and fusing them together using various welding methods, such as arc welding, resistance welding, or fusion welding. The welding process introduces a weld seam along the length of the bar, which can affect its structural integrity and mechanical properties. Welded steel round bars may have slightly lower strength and toughness compared to seamless bars, as the presence of the weld seam can create stress concentrations. However, they are generally more cost-effective and readily available in a wide range of sizes and grades. In summary, the main difference between seamless and welded steel round bars lies in their manufacturing process and resulting characteristics. Seamless bars are produced by piercing a solid billet, offering uniform composition and strength throughout, making them suitable for high-pressure and high-temperature applications. Welded bars, on the other hand, are created by joining multiple pieces of steel through welding, introducing a weld seam that can slightly affect their strength and toughness. Welded bars are often more cost-effective and readily available in various sizes and grades.
- Q: Can steel round bars be used for making conveyor belts or rollers?
- No, steel round bars are not typically used for making conveyor belts or rollers. Conveyor belts and rollers are usually made from materials such as rubber, polyurethane, or other flexible and durable materials that can withstand the constant movement and friction involved in conveying items.
- Q: What is the typical tolerance for diameter and length in steel round bars?
- The typical tolerance for diameter in steel round bars is usually +/- 0.005 inches, while the tolerance for length is typically +/- 0.125 inches.
- Q: What are the advantages of using nickel-alloy steel round bars?
- There are several advantages of using nickel-alloy steel round bars: 1. High strength and durability: Nickel-alloy steel round bars are known for their superior strength and durability. They can withstand high levels of stress and provide excellent resistance to corrosion, making them ideal for applications in harsh environments. 2. Enhanced temperature resistance: Nickel-alloy steel round bars have excellent temperature resistance properties, allowing them to maintain their strength and integrity even at elevated temperatures. This makes them suitable for use in high-temperature applications such as aerospace, power generation, and petrochemical industries. 3. Improved corrosion resistance: Nickel-alloy steel round bars exhibit exceptional corrosion resistance, making them highly resistant to rust and oxidation. This characteristic makes them ideal for use in marine environments, chemical plants, and other applications where exposure to corrosive substances is common. 4. Excellent mechanical properties: Nickel-alloy steel round bars possess excellent mechanical properties such as high tensile strength, toughness, and ductility. This enables them to withstand heavy loads and impacts without deformation or failure, making them suitable for use in critical structural applications. 5. Versatility and adaptability: Nickel-alloy steel round bars can be easily machined, forged, and welded, allowing for greater versatility in manufacturing processes. They can be shaped and formed into various sizes and dimensions to meet specific application requirements, making them highly adaptable to different industries. 6. Cost-effective solution: While nickel-alloy steel round bars may have a higher initial cost compared to other materials, their long-term cost-effectiveness makes them a preferred choice for many industries. Their resistance to corrosion and wear reduces maintenance and replacement costs, ultimately resulting in significant cost savings over time. In conclusion, the advantages of using nickel-alloy steel round bars lie in their high strength, enhanced temperature resistance, improved corrosion resistance, excellent mechanical properties, versatility, adaptability, and cost-effectiveness. These qualities make them a reliable and efficient choice for a wide range of applications in various industries.
- Q: Can steel round bars be used for making jewelry?
- Yes, steel round bars can be used for making jewelry. While steel is not as commonly used for jewelry making as precious metals like gold or silver, it can still be a viable option for certain types of jewelry. Steel round bars are often used in industrial or modern jewelry designs, as they provide a sleek and contemporary look. Additionally, steel is highly durable, resistant to tarnish, and more affordable compared to other metals, making it suitable for those looking for a more budget-friendly option. However, it is important to note that steel can be heavier than other metals, so it may not be suitable for delicate or intricate jewelry designs. Furthermore, steel may cause skin reactions in individuals with metal allergies, so it is advisable to take precautions and ensure the steel used is hypoallergenic or coated with a protective layer. Ultimately, the choice to use steel round bars for making jewelry depends on the desired style, durability, and budget of the individual creating or purchasing the jewelry.
- 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 heat treated for improved strength?
- Steel round bars can undergo heat treatment for enhanced strength. This treatment involves subjecting the steel to specific heating and cooling procedures to modify its microstructure and properties. The most common techniques used for heat treating steel round bars are quenching and tempering. During quenching, the steel round bar is heated to a high temperature and rapidly cooled by immersing it in a quenching medium like water, oil, or polymer. This rapid cooling aids in hardening the steel by transforming its microstructure into a tougher and stronger martensitic structure. Following quenching, the steel round bar is often tempered to reduce brittleness and increase toughness. Tempering includes reheating the quenched steel to a lower temperature and gradually cooling it. This process relieves the internal stresses formed during quenching and allows the steel to achieve a balance between hardness and toughness, resulting in improved strength. It is important to consider that the specific heat treatment process and parameters rely on the type and grade of steel used. Therefore, it is advisable to consult with a metallurgical expert or refer to the manufacturer's guidelines to determine the appropriate heat treatment process for a specific steel round bar and achieve the desired strength improvement.
- Q: How do you prevent steel round bars from warping during machining?
- One effective way to prevent steel round bars from warping during machining is by using proper machining techniques and tools. It is crucial to maintain consistent and balanced cutting forces, ensuring that the machining process does not generate excessive heat. Cooling techniques such as using coolant or lubricants can also help in dissipating heat and reducing warping. Additionally, using sturdy and rigid workholding devices to securely hold the round bars in place can minimize vibration and distortion. Lastly, allowing sufficient time for the steel round bars to cool down between machining operations can help to prevent warping.
- Q: What are the advantages of using niobium-alloy steel round bars?
- Niobium-alloy steel round bars offer numerous benefits. Firstly, they possess exceptional strength and toughness. By incorporating niobium, the steel's strength increases while maintaining its ductility, making it ideal for applications requiring durability and high strength. Consequently, these round bars can withstand heavy loads and shocks without deforming or breaking easily. Secondly, niobium-alloy steel exhibits high resistance to corrosion. Consequently, it proves suitable for use in harsh environments where exposure to moisture, chemicals, or corrosive substances is common. The corrosion resistance ensures that the round bars remain intact and retain their structural integrity over time, reducing the need for frequent replacements and maintenance. Moreover, niobium-alloy steel demonstrates excellent weldability and formability. It can be effortlessly welded and fabricated into various shapes and sizes, making it adaptable to different manufacturing processes and applications. This adaptability enables the production of custom-designed round bars that meet specific project requirements. Additionally, niobium-alloy steel possesses superior heat resistance properties. It can endure high temperatures without losing strength or experiencing significant changes in its mechanical properties. Thus, it proves suitable for applications involving exposure to extreme heat or thermal cycling, such as in the aerospace or automotive industries. Furthermore, niobium-alloy steel is renowned for its exceptional fatigue resistance. It possesses a high endurance limit, enabling it to withstand repeated loading and unloading cycles without experiencing fatigue failure. This quality makes niobium-alloy steel round bars ideal for applications involving dynamic or cyclic loading, such as in structural components or machinery. In conclusion, the utilization of niobium-alloy steel round bars grants advantages such as high strength, corrosion resistance, weldability, formability, heat resistance, and fatigue resistance. These properties make niobium-alloy steel a reliable and cost-effective choice for numerous industries and applications.
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GB 45#/SAE 1045 Steel Round Bar 28mm/30mm
- 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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