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: The difference between 304 stainless steel round bar and bright round bar
- Stainless steel rounds are not required on the surface. They may come with black leather. They may be pickling surfaces or cold drawn or polished surfaces;Stainless steel bright round steel refers to polished surface or cold drawn surface round steel.304 is the brand, and the surface quality has nothing to do with.
- Q: Are steel round bars suitable for welding applications?
- Yes, steel round bars are suitable for welding applications. Steel round bars are commonly used in welding applications due to their high strength and durability. They can be easily welded to other steel components or structures using various welding processes such as arc welding, MIG welding, or TIG welding. Steel round bars also offer good mechanical properties, including excellent tensile strength, which makes them suitable for welding applications where strength and load-bearing capacity are important factors. Additionally, steel round bars are available in a wide range of sizes and grades, allowing for versatility and compatibility with different welding projects. However, it is important to choose the appropriate type of steel round bar based on the specific welding application and the desired properties of the final product.
- Q: What is the difference between a rough turned and a polished steel round bar?
- A rough turned steel round bar has undergone a preliminary machining process that removes surface imperfections and excess material, providing a slightly smoother finish. On the other hand, a polished steel round bar has undergone further polishing or grinding processes to achieve a much smoother and aesthetically appealing surface finish.
- Q: Can steel round bars be used for shafting applications?
- Indeed, shafting applications can make use of steel round bars. In industries like automotive, construction, and manufacturing, steel round bars are frequently employed as material for shafting. These bars possess impressive mechanical properties, durability, and high strength, enabling them to effectively transmit power and rotational motion in machines and equipment. Furthermore, steel round bars can be machined to precise dimensions, subjected to heat treatment for enhanced hardness, and coated to provide protection against corrosion. Moreover, they are obtainable in a variety of grades and alloys, catering to specific application requirements. In summary, due to their inherent strength and versatility, steel round bars are a dependable choice for shafting applications.
- Q: What are the different types of steel round bar alloys for improved toughness and wear resistance?
- Improved toughness and wear resistance are key characteristics in several steel round bar alloys. These alloys are essential in applications where strength and durability are necessary. Some of the commonly utilized alloys are: 1. Alloy Steel: By incorporating elements like chromium, nickel, molybdenum, or vanadium, alloy steel round bars are fabricated to enhance their mechanical properties. These alloys provide increased strength, toughness, and wear resistance. 2. Stainless Steel: With a minimum chromium content of 10.5%, stainless steel round bars are corrosion-resistant alloys. They exhibit excellent toughness, high strength, and superior wear resistance. Industries such as aerospace, automotive, and construction widely rely on stainless steel round bars. 3. Tool Steel: Tool steel round bars are tailor-made for applications that demand high wear resistance and toughness. These alloys are commonly employed in the manufacturing of cutting tools, dies, and molds. By incorporating elements like tungsten, vanadium, or molybdenum, tool steel alloys improve hardness and wear resistance. 4. Carbon Steel: Renowned for their high strength and toughness, carbon steel round bars find extensive use. These alloys contain varying amounts of carbon and are recognized for their excellent wear resistance. Industries including manufacturing, construction, and automotive utilize carbon steel round bars. 5. Bearing Steel: Bearing steel round bars are specifically engineered to withstand high stress and offer excellent wear resistance. These alloys are commonly employed in the production of ball bearings, roller bearings, and other high-performance bearing components. Bearing steel alloys typically include elements like chromium, silicon, and manganese to enhance mechanical properties. To conclude, a range of steel round bar alloys is available, each offering improved toughness and wear resistance. The selection of the most suitable alloy depends on specific application requirements and desired mechanical properties.
- Q: What is the difference between a rough turned and a centerless ground steel round bar?
- A rough turned steel round bar is a steel bar that has been machined to a standard size and shape using a lathe or turning machine. This involves removing excess material from the bar's surface to achieve the desired diameter and smoothness. The resulting rough turned bar may still have minor imperfections or variations in size and surface finish. On the contrary, a centerless ground steel round bar undergoes a different manufacturing process. This process involves feeding the steel bar through two rotating wheels - a grinding wheel and a regulating wheel. The grinding wheel removes material from the bar's surface to achieve a precise diameter, while the regulating wheel controls the bar's feed rate. This process ensures precise tolerances, an excellent surface finish, and a consistent diameter along the entire length of the bar. In conclusion, the primary distinction between a rough turned and a centerless ground steel round bar lies in the manufacturing process and resulting quality. While a rough turned bar is machined to a standard size and shape with some imperfections, a centerless ground bar undergoes a more precise grinding process to achieve a highly accurate diameter, excellent surface finish, and consistent dimensions throughout the bar.
- Q: Can steel round bars be used for fastener applications?
- Indeed, fastener applications can make use of steel round bars. In various industries, these round bars are frequently employed as fasteners due to their remarkable durability and high strength. By threading, drilling, or machining them, a variety of fasteners, including bolts, screws, and studs, can be fashioned. The outstanding tensile strength and corrosion resistance of steel round bars render them suitable for demanding tasks that necessitate robust and dependable fastening. Moreover, these round bars are easily obtainable in assorted sizes and grades, enabling customization based on precise fastener needs.
- Q: Are more bars used in high-rise buildings?
- To see what kind of structure, frame structure, screw steel is much more used, such as beam column, main reinforcement, partial stirrups, plate reinforcement. The shear wall structure is used in many round bars, such as vertical wall bars, horizontal bars, steel bars and stirrups. Note that only general structures are concerned.
- Q: How do you prevent warping during welding of steel round bars?
- To prevent warping during welding of steel round bars, there are several precautions that can be taken: 1. Proper fit-up: Ensure that the round bars are properly aligned and fit together before welding. Any gaps or misalignments can lead to uneven heating and cooling, increasing the chances of warping. 2. Welding sequence: Divide the welding into multiple smaller sections or segments instead of welding continuously along the entire length of the round bar. This will help distribute the heat more evenly and reduce the risk of warping. 3. Welding technique: Use a welding technique that minimizes heat input, such as pulse welding or tack welding. These techniques allow for controlled and intermittent heating, which reduces the chances of warping. 4. Preheating: Preheating the round bars before welding can also help prevent warping. This is especially important for thicker bars or when welding dissimilar metals. Preheating helps to reduce the temperature gradient between the weld and the surrounding material, minimizing the risk of warping. 5. Heat control: Monitor and control the heat input during welding. Excessive heat can cause rapid expansion and contraction, leading to warping. Use appropriate welding parameters, such as lower amperage and shorter welding times, to control the heat input. 6. Welding fixtures: Use welding fixtures or jigs to hold the round bars in place during welding. This helps to maintain proper alignment and prevents movement during the welding process, reducing the chances of warping. 7. Post-welding cooling: Allow the welded round bars to cool down slowly and naturally. Avoid rapid cooling methods like quenching, as they can induce stress and increase the risk of warping. By implementing these measures, the risk of warping during welding of steel round bars can be significantly reduced, resulting in better quality and more reliable welded joints.
- Q: Can steel round bars be bent or formed into shapes?
- Steel round bars possess the ability to undergo bending or shaping into different forms. Due to its exceptional strength and durability, steel is widely recognized as a versatile material suitable for various purposes. To achieve the desired shapes, steel round bars can be bent or formed using diverse techniques such as heating, hammering, or utilizing specialized machinery like hydraulic presses or roll benders. These methods enable the steel bars to be molded into curves, angles, or specific configurations in order to meet the desired requirements. However, it is important to acknowledge that the flexibility of a steel round bar to undergo bending or shaping is contingent upon factors including its diameter, type of steel, and the specific technique employed for bending or forming.
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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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