Carbon Structural Steel Round Bars SAE1018CR
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 400 m.t.
- Supply Capability:
- 120000 m.t./month
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Carbon Structural Steel Round Bars SAE1018CR
PRODUCT USE
Carbon steel applies to chemical industry, shipping industry,manufacturing industry, construction, decorate industry, electric power, pump shafts, sanitary wares, furniture handles, boiler, high temperature resistant, low temperature resistant, corrosion resistant.
PRODUCT MAIN POINTS
1, Heat Treatment: normalizing, annealing, tempering, quenching
2, Surface Treatment: black, grinding, bright, polish
3, Product Process: hot rolled, cold drawn, forged
FAQ
1, Payment Terms:
30% T/T deposit & 70% T/T before delivery.
Irrevocable L/C at sight
2, Trade Terms:
FOB, CIF, CNF
3, Delivery Time:
Normally 30-40 days. According to quantity.
4, Manufacture or Trading Company:
CNBM is a state-owned fortune global 500 trading company. We have intergrated supply system.
There are about 20 overseas locations in different countries.
PRODUCT SHOW
PRODUCT SPECIFICATION
1, Chemical Composition %
| Grade | C | Si | Mn | S | P | Cr | Ni | Cu |
| SAE1020CR | 0.15-0.20 | 0.17-0.37 | 0.35-0.65 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | ≤0.25 |
2, Mechanical Properties
| Strength of Extension σb | Yield Strength σs | Elogation δ5 | Reduction of Area ψ | Hardness (no heat treatment) |
| ≥410(42) Mpa | ≥245(25) Mpa | ≥25 % | ≥55 % | ≤156HB |
ABOUT US
- Q:Can steel round bars be threaded?
- Steel round bars have the capability to be threaded, which involves cutting threads onto the surface of the cylindrical object in order to create a screw-like shape. This enables the bar to be securely fastened into a corresponding threaded hole or to be joined with another threaded component. Threading can be accomplished through various methods, such as manual threading with a die or by employing machine tools like lathes or thread rolling machines. The specific technique utilized depends on the desired thread size and type. However, it is vital to recognize that not all steel round bars are compatible with threading, as the steel's material composition and hardness can impact the threading process. As a result, it is advisable to seek guidance from a professional or someone experienced to ensure the steel round bar is appropriate for threading and to determine the most suitable threading approach.
- Q:What are the different methods of cutting steel round bars?
- Cutting steel round bars can be achieved through several methods, each with their own advantages and limitations. Among the commonly utilized techniques are: 1. Abrasive cutting: By utilizing a rotating abrasive wheel, the steel round bar can be ground down. Despite its speed and efficiency, this method often results in a rough cut surface and generates significant heat. 2. Bandsaw cutting: Steel round bars can be sliced using bandsaw machines, which feature a continuous band of toothed metal rotating around two wheels. Although bandsaws provide precise and smooth cuts, they tend to be slower compared to alternative methods. 3. Cold saw cutting: Cold saws are designed specifically for cutting metal, including steel round bars. These saws employ circular blades with teeth that are specially crafted to withstand the hardness of steel. While cold saws guarantee clean and accurate cuts, they generally operate at a slower pace than abrasive or bandsaw cutting. 4. Plasma cutting: Ideal for thicker steel round bars, plasma cutting involves using a focused jet of ionized gas to melt and remove the metal. This method yields precise and clean cuts, but necessitates specialized equipment and can be more costly than other techniques. 5. Laser cutting: Laser cutting employs a high-powered laser beam to melt and vaporize the metal, resulting in precise and clean cuts. This versatile method can be utilized for steel round bars of varying thicknesses, but it does require expensive equipment and may not be suitable for all applications. Ultimately, the chosen cutting method relies on several factors, including the thickness and hardness of the steel round bar, the desired cut quality, the availability of equipment, and the specific project requirements.
- Q:Can steel round bars be used for pump shaft applications?
- Yes, steel round bars can be used for pump shaft applications. Steel round bars are commonly used for pump shafts due to their excellent strength, durability, and resistance to corrosion. Pump shafts are subjected to high torsional loads and need to withstand the stresses of rotating machinery. Steel round bars offer the necessary mechanical properties to handle these conditions, making them a suitable choice for pump shaft applications. Additionally, the versatility of steel allows for various heat treatments and surface finishes to further enhance its performance and longevity in pump shafts.
- Q:Can steel round bars be used in the agriculture industry?
- Steel round bars find extensive use in the agriculture industry, where they serve a multitude of purposes. Commonly employed in the construction of farm equipment, fencing, and building structures, steel round bars are renowned for their robustness and longevity, rendering them ideal for demanding tasks within the agricultural sector. Moreover, these bars exhibit exceptional resistance to harsh weather conditions and corrosion, thereby ensuring their enduring reliability and durability in agricultural settings. In essence, steel round bars emerge as a versatile and pragmatic option for the agriculture industry, owing to their immense strength, durability, and ability to withstand environmental factors.
- Q:Can steel round bars be hot worked?
- Yes, steel round bars can be hot worked. Hot working refers to the process of shaping or forming steel while it is at an elevated temperature. This temperature is typically above the recrystallization temperature of the steel, which allows for easier deformation and shaping. Hot working of steel round bars can be done through processes such as hot rolling, hot forging, or hot extrusion. These processes involve applying heat to the steel bar and then using mechanical force to shape it into the desired form. Hot working is commonly used in the manufacturing of various steel products, including round bars, to improve their mechanical properties and achieve specific shapes or sizes.
- Q:What is the difference between a hot rolled and a precision ground steel round bar?
- A hot rolled steel round bar and a precision ground steel round bar differ primarily in their manufacturing processes and resulting surface finish. Hot rolled steel round bars are produced by heating the steel billet or ingot to high temperatures and then passing it through a series of rollers to achieve the desired shape and size. This process results in a rougher surface finish with visible mill-scale or oxide layers. The hot rolling process also allows for variations in size and shape, making it a more cost-effective option for producing steel round bars in large quantities. On the other hand, precision ground steel round bars undergo a more refined and controlled manufacturing process. After the initial hot rolling, the bar is then ground to achieve a smooth and consistent surface finish. Precision grinding removes the mill-scale and oxide layers, resulting in a more polished appearance. This process also ensures a tight dimensional tolerance and improved straightness of the round bar. The choice between a hot rolled and a precision ground steel round bar depends on the specific application requirements. Hot rolled round bars are typically used in applications where surface finish is not critical, such as structural components, machinery parts, or construction materials. Precision ground steel round bars, on the other hand, are utilized in applications where a smooth surface finish, precise dimensions, and tight tolerances are necessary, such as in the manufacturing of precision tools, machinery components, or in industries like aerospace or automotive. In summary, the main difference between a hot rolled and a precision ground steel round bar lies in their manufacturing processes and resulting surface finish. Hot rolled round bars offer cost-effectiveness and versatility, while precision ground round bars provide a smoother surface finish, tighter tolerances, and improved dimensional accuracy for more demanding applications.
- Q:What are the different joining methods for steel round bars?
- There are several different joining methods that can be used for steel round bars, depending on the specific application and desired outcome. Some of the most common joining methods for steel round bars include welding, brazing, and mechanical joining. 1. Welding: Welding is a popular method for joining steel round bars. It involves melting the edges of the bars and fusing them together using heat. Various welding techniques such as arc welding, MIG welding, TIG welding, and spot welding can be used, depending on the thickness and type of steel being joined. Welding provides a strong and permanent bond, making it suitable for heavy-duty applications. 2. Brazing: Brazing is another method used to join steel round bars. It involves heating the bars and melting a filler metal that has a lower melting point than the steel. The molten filler metal is then drawn into the joint by capillary action, creating a strong bond when it solidifies. Brazing is often used when the base metals have different melting points or when a lower-temperature joining process is required. 3. Mechanical joining: Mechanical joining methods do not involve any heat or melting of the steel round bars. Instead, they rely on mechanical means to hold the bars together. Examples of mechanical joining methods include bolted connections, riveting, and clamping. These methods are often used when disassembly or adjustability is required, as they provide a non-permanent joint that can be easily undone. It is important to consider factors such as the strength requirements, environmental conditions, and the specific application when choosing a joining method for steel round bars. Each method has its own advantages and limitations, and the appropriate joining method should be selected to ensure a secure and durable bond between the round bars.
- Q:What are the typical tolerances for steel round bars?
- The typical tolerances for steel round bars can vary depending on the specific grade and size of the bar. However, common industry standards typically specify tolerances in terms of diameter deviation, straightness, and length. For diameter, tolerances can range from +/- 0.005 to +/- 0.25 inches, again depending on the bar size. Straightness tolerances are often specified as a maximum deviation per foot or meter, such as 0.010 inches per foot. Length tolerances can range from +/- 0.125 to +/- 1 inch. It's important to consult the appropriate industry standards or supplier specifications for precise tolerances based on the specific requirements of the project or application.
- Q:What is the difference between a turned and a polished steel round bar?
- A turned steel round bar is machined to achieve a specific diameter and surface finish, while a polished steel round bar undergoes additional processing to enhance its surface smoothness and appearance.
- Q:What are the different types of steel round bar finishes?
- There are several different types of steel round bar finishes, including hot rolled, cold drawn, turned and polished, and ground and polished.
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Carbon Structural Steel Round Bars SAE1018CR
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 400 m.t.
- Supply Capability:
- 120000 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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