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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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: What are the different specifications for steel round bars?
- The different specifications for steel round bars typically include the diameter, length, and grade of the steel. Other specifications may include the tolerance levels for diameter and length, as well as any specific requirements for surface finish or heat treatment.
- Q: What is the difference between 40Cr round steel and 40Cr forging parts?
- But 40Cr forgings are objects that are subjected to pressure by plastic deformation to shape a desired shape or suitable compressive force. (usually done by using hammers or pressure). The casting process constructed a fine grain structure and improved the physical properties of the metal.
- Q: What is the difference between a cold finished and a hot rolled steel round bar?
- A cold finished steel round bar and a hot rolled steel round bar differ in their manufacturing processes and resulting properties. Cold finished steel round bars are manufactured through a cold drawing process, where the steel is pulled through a die at room temperature. This process results in a smooth, polished surface with tight dimensional tolerances. The cold drawing process also enhances the strength, hardness, and overall mechanical properties of the steel. Cold finished steel round bars are often preferred for applications where precision and a smooth surface are crucial, such as in machinery, automotive parts, and tools. On the other hand, hot rolled steel round bars are manufactured by heating the steel to a high temperature and then rolling it through a series of rollers. This process allows for the shaping and forming of the steel while it is in a pliable state. Hot rolled steel round bars have a rough, scaled surface and looser dimensional tolerances compared to cold finished bars. They also tend to have a slightly lower strength and hardness than their cold finished counterparts. Due to their more affordable cost and ease of production, hot rolled steel round bars are commonly used in construction, structural components, and general fabrication. In summary, the main differences between cold finished and hot rolled steel round bars lie in their manufacturing processes and resulting properties. Cold finished bars offer enhanced strength, precision, and a smooth surface, making them suitable for applications requiring high precision and mechanical performance. Hot rolled bars, on the other hand, have a rougher surface and looser tolerances, but their affordability and ease of production make them a popular choice for general applications.
- Q: How do I determine the load capacity of a steel round bar?
- To determine the load capacity of a steel round bar, you need to consider its diameter, length, and the type of steel being used. The load capacity can be determined using formulas or tables provided by engineering handbooks or consult a structural engineer who can perform calculations based on the specific properties of the steel bar.
- Q: What are the advantages of using nitriding steel round bars?
- There are several advantages of using nitriding steel round bars. Firstly, nitriding steel round bars have a high surface hardness. The nitriding process involves the diffusion of nitrogen into the surface layer of the steel, which creates a hard nitride layer. This significantly improves the wear resistance and durability of the round bars, making them suitable for applications that involve heavy loads or abrasive environments. Secondly, nitriding steel round bars have improved fatigue strength. The nitride layer formed during the nitriding process also enhances the fatigue resistance of the steel. This means that the round bars are able to withstand repeated loading and high-stress conditions without experiencing premature failure. Additionally, nitriding steel round bars have excellent corrosion resistance. The nitride layer acts as a barrier against corrosion, protecting the underlying steel from being attacked by corrosive elements such as moisture, chemicals, or saltwater. This makes them ideal for use in harsh environments where corrosion is a concern, such as marine or chemical industries. Furthermore, nitriding steel round bars have a high surface hardness retention at elevated temperatures. Unlike other surface hardening processes, nitriding does not rely on the formation of a thin coating on the surface of the steel. Instead, it modifies the surface layer of the steel, resulting in a hardened layer that remains stable even at high temperatures. This allows the round bars to maintain their hardness and mechanical properties even in demanding heat-intensive applications. Overall, the advantages of using nitriding steel round bars include high surface hardness, improved fatigue strength, excellent corrosion resistance, and high surface hardness retention at elevated temperatures. These properties make them a preferred choice for various applications in industries such as automotive, aerospace, manufacturing, and construction.
- Q: What are the different specifications for steel round bars?
- The different specifications for steel round bars typically include the diameter, length, and grade of the steel. Other specifications may include the tolerance levels for diameter and length, as well as any specific requirements for surface finish or heat treatment.
- Q: How do you determine the straightness of a steel round bar?
- There are several methods available to determine the straightness of a steel round bar. One commonly used technique involves visually inspecting the bar for any visible bends, twists, or deviations from a straight line. This involves placing the bar on a flat surface and checking for gaps or unevenness between the bar and the surface. Another method involves utilizing a straightedge or precision ruler. By placing either of these tools along the length of the bar, any deviations from a straight line can be easily detected. This method allows for more precise measurements and can even identify slight bends or curves. Alternatively, measuring devices like dial indicators or laser alignment tools can be employed to assess the straightness of a steel round bar. These devices provide more accurate measurements and can quantify the degree of deviation from a straight line by providing numerical readings. It should be noted that the acceptable level of straightness may vary depending on the specific application or industry standards. In such cases, it may be necessary to adhere to specific tolerances or guidelines to ensure that the steel round bar meets the required straightness criteria. In conclusion, determining the straightness of a steel round bar necessitates careful visual inspection and the utilization of appropriate measuring tools to ensure that it satisfies the necessary straightness standards for its intended purpose.
- Q: What are the advantages of using vanadium-alloy steel round bars?
- There are several advantages of using vanadium-alloy steel round bars. Firstly, vanadium-alloy steel has significantly increased strength and toughness compared to regular steel. This makes it an ideal choice for applications where high strength and durability are required, such as in construction, manufacturing, and engineering projects. The addition of vanadium enhances the steel's ability to withstand heavy loads, impacts, and extreme temperatures, making it suitable for demanding environments. Secondly, vanadium-alloy steel round bars have excellent resistance to corrosion. Vanadium forms a protective oxide layer on the surface of the steel, preventing the metal from rusting or corroding. This makes the bars highly durable and long-lasting, even in harsh or corrosive environments. Additionally, vanadium-alloy steel has good weldability and machinability. It can be easily welded, allowing for efficient fabrication and construction processes. The steel's machinability allows for precise shaping and forming, making it adaptable to various design requirements. Furthermore, vanadium-alloy steel exhibits excellent wear resistance. This is particularly beneficial in applications where the bars are subjected to high levels of friction, abrasion, or wear, such as in mining or manufacturing equipment. The addition of vanadium enhances the steel's hardness and wear resistance, prolonging the lifespan of the bars and reducing maintenance costs. Lastly, vanadium-alloy steel has excellent heat resistance. It can withstand high temperatures without losing its strength or structural integrity. This makes it suitable for applications that involve exposure to extreme heat, such as in automotive engines, turbines, or power generation equipment. In conclusion, the advantages of using vanadium-alloy steel round bars include increased strength and toughness, resistance to corrosion, good weldability and machinability, excellent wear resistance, and high heat resistance. These qualities make vanadium-alloy steel round bars a reliable and versatile choice for a wide range of applications.
- Q: Can steel round bars be used for making cooling system components?
- Certainly, cooling system components can be fabricated using steel round bars. Steel, being a versatile and resilient material, possesses the capability to endure elevated temperatures and pressures, rendering it ideal for cooling system applications. Steel round bars can be precisely shaped and dimensioned to meet the varying requirements of distinct cooling system components such as pipes, fittings, valves, and heat exchangers. Furthermore, steel exhibits exceptional thermal conductivity, enabling efficient heat transfer within cooling systems. However, it is vital to meticulously consider the specific demands of the cooling system and seek advice from engineers or professionals to ascertain the appropriate grade of steel and ensure compatibility with other system components.
- Q: What are the tolerances for steel round bars?
- The tolerances of steel round bars can differ based on the specific requirements of the application and manufacturing process. Generally, steel round bars have specified tolerances for diameter, straightness, and length. For diameter tolerance, it is usual to find tolerances ranging from +/- 0.001 inches to +/- 0.005 inches. This means that the actual diameter of the steel round bar can deviate within this range from the specified diameter. The size and grade of the bar determine the specific tolerance. Straightness tolerance refers to the permissible deviation in the straightness of the bar. Typically, it is specified as a maximum deviation per unit length, such as 0.125 inches per foot. This ensures that the bar remains straight and within acceptable limits when measured along its length. Length tolerance determines the allowable variation in the overall length of the round bar. It can range from +/- 0.125 inches to +/- 0.5 inches, depending on the size and grade of the bar. This ensures that the bar meets the required length specifications. It is important to note that these tolerances can vary based on industry standards, customer specifications, and the manufacturing method employed. Moreover, certain applications may have stricter tolerance requirements, particularly in industries like aerospace or automotive where precision is crucial. To summarize, the tolerances for steel round bars encompass diameter, straightness, and length. The specific tolerances depend on the size, grade, and application of the round bar, as well as any relevant industry standards or customer specifications.
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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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