C45 Density of Carbon Steel

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Loading Port:: Shanghai

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Min Order Qty:: 30 m.t.

Supply Capability:: 120000 m.t./month

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C	Si	Mn	P	S	Cr	Ni	Cu
0.42~0.50%	0.17~0.37%	0.50~0.80%	≤0.035%	≤0.035%	≤0.25%	≤0.25%	≤0.25%

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CNBM International Corporation is the most important trading platform of CNBM group.

Whith its advantages, CNBM International are mainly concentrate on Cement, Glass, Iron and Steel, Ceramics industries and devotes herself for supplying high qulity series of refractories as well as technical consultancies and logistics solutions.

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1, Packaging: seaworthy package or as required

2, Delivery: 35-45 days or based on quantity

Q: Can steel round bars be used in the electronics industry?: Yes, steel round bars can be used in the electronics industry. They are commonly used for various applications such as providing structural support, heat dissipation, and grounding in electronic devices and equipment. Additionally, steel round bars offer excellent strength, durability, and conductivity, making them suitable for use in the electronics industry.

Q: Can steel round bars be used in the manufacturing of appliances?: Yes, steel round bars can be used in the manufacturing of appliances. Steel is a durable and versatile material that can be shaped into different forms, including round bars, which can be used for various purposes in appliance manufacturing such as structural support, handles, or components.

Q: Can steel round bars be used in the production of HVAC equipment?: Yes, steel round bars can be used in the production of HVAC equipment. Steel round bars are often used to create the structural framework and components of HVAC systems. They provide strength, durability, and stability necessary for various parts such as supports, brackets, and frames. Additionally, steel round bars can be easily fabricated, welded, and shaped to meet the specific requirements of HVAC equipment.

Q: How do you calculate the torsional strength of a steel round bar?: To calculate the torsional strength of a steel round bar, you need to consider its material properties and dimensions. The torsional strength, also known as torsional yield strength or shear strength, refers to the maximum amount of torque or twisting force that a round bar can withstand without undergoing permanent deformation or failure. The formula to calculate torsional strength is: Torsional Strength = (Torsional Constant * Yield Strength) / (Polar Moment of Inertia * Length) 1. Torsional Constant: This constant depends on the shape of the cross-section of the round bar. For a solid round bar, the torsional constant is equal to (π * D^4) / 32, where D is the diameter of the bar. 2. Yield Strength: This is the stress at which the steel material starts to deform plastically. It is usually provided by the manufacturer or can be determined through material testing. 3. Polar Moment of Inertia: This property represents the resistance of the round bar to torsional deformation. For a solid round bar, the polar moment of inertia is equal to (π * D^4) / 32. 4. Length: This refers to the length of the round bar along which the torsional force is applied. By plugging these values into the formula, you can calculate the torsional strength of the steel round bar. It is important to note that this calculation assumes the round bar is perfectly homogeneous, free from any defects, and subjected to pure torsion. Keep in mind that torsional strength is just one aspect to consider when evaluating the suitability of a steel round bar for a specific application. Other factors such as fatigue strength, corrosion resistance, and load-bearing capacity should also be taken into account. It is recommended to consult with a professional engineer or refer to relevant industry standards to ensure accurate calculations and appropriate selection of materials.

Q: Can steel round bars be galvanized?: Yes, steel round bars can be galvanized. Galvanizing is a process of coating steel with a layer of zinc to protect it from corrosion. This process is commonly used to increase the longevity and durability of steel products, including round bars.

Q: What is the maximum chromium content allowed for steel round bars?: The maximum chromium content allowed for steel round bars typically depends on the specific grade or specification being used. However, in general, stainless steel round bars often have a maximum chromium content of around 20-30%, while for carbon or alloy steels, the chromium content is usually lower, typically less than 2%.

Q: What is the difference between a hot-rolled and a peeled steel round bar?: The production of a hot-rolled steel round bar involves heating a billet or ingot until it reaches a temperature suitable for shaping. The heated steel is then passed through a series of rollers to achieve the desired shape and size. This rolling process results in a bar with a rough surface texture and a slightly rounded edge. In contrast, a peeled steel round bar goes through a different manufacturing process. It is initially hot-rolled to achieve the desired shape and size, similar to the hot-rolled bar. However, after the initial hot rolling, the peeled bar undergoes a mechanical peeling process. This process entails removing the outer layer of the bar to achieve a smooth and shiny surface finish. Additionally, the peeling process contributes to improving the dimensional accuracy and surface quality of the bar. To summarize, the key distinction between a hot-rolled and a peeled steel round bar lies in the surface finish and dimensional accuracy. While a hot-rolled bar possesses a rough surface texture and a slightly rounded edge, a peeled bar exhibits a smooth and shiny surface finish with enhanced dimensional accuracy. The peeling process elevates the overall quality and appearance of the steel round bar, making it more appropriate for applications where aesthetics or precision hold significance.

Q: What are the different types of steel round bar alloys used in aerospace applications?: There are several different types of steel round bar alloys that are commonly used in aerospace applications. These alloys are selected for their specific properties and characteristics that make them suitable for use in aircraft and spacecraft components. Some of the most commonly used alloys include: 1. 4130: This alloy is a low-alloy steel that contains chromium and molybdenum. It has excellent strength and toughness, making it suitable for use in applications such as landing gear components and structural tubing. 2. 4340: This alloy is a nickel-chromium-molybdenum steel that is known for its high strength and good ductility. It is commonly used in applications such as gears, shafts, and structural components that require high strength and toughness. 3. 17-4 PH: This alloy is a precipitation-hardening stainless steel that offers a combination of high strength, corrosion resistance, and good toughness. It is often used in aerospace applications where both strength and corrosion resistance are important, such as in turbine blades and structural components. 4. 15-5 PH: This alloy is another precipitation-hardening stainless steel that offers high strength and good corrosion resistance. It is commonly used in aerospace applications such as landing gear components and structural parts. 5. 9310: This alloy is a low-alloy steel that is known for its high hardenability and toughness. It is often used in aerospace applications where high strength and good impact resistance are required, such as in gears and shafts. These are just a few examples of the different types of steel round bar alloys used in aerospace applications. Each alloy offers specific properties and characteristics that make it suitable for different components and requirements in the aerospace industry.

Q: How do steel round bars compare to wrought iron bars?: Steel round bars and wrought iron bars have several differences that set them apart. Firstly, steel round bars are made from an alloy of iron and carbon, whereas wrought iron bars are composed of pure iron with a low carbon content. This difference in composition leads to varying properties. Steel round bars are known for their strength and durability, making them suitable for a wide range of applications, including construction, manufacturing, and engineering. On the other hand, wrought iron bars are softer and more malleable, allowing them to be easily shaped and formed into intricate designs. This characteristic makes wrought iron bars popular in decorative applications such as gates, fences, and ornamental pieces. Another difference lies in their manufacturing processes. Steel round bars are typically produced through hot rolling, which involves heating the steel billet and passing it through a series of rollers to shape it into the desired round bar form. In contrast, wrought iron bars are made through a labor-intensive process called blacksmithing. This involves heating the iron and repeatedly hammering it to remove impurities and create a fibrous structure, resulting in its characteristic grainy appearance. In terms of cost, steel round bars are generally more affordable compared to wrought iron bars. The manufacturing process for steel is more streamlined and efficient, leading to lower production costs. Wrought iron bars, on the other hand, require more time and labor, making them more expensive. Finally, when it comes to corrosion resistance, steel round bars have an advantage. Steel can be further alloyed with elements such as chromium, nickel, and molybdenum to enhance its resistance to rust and corrosion. This makes steel round bars suitable for outdoor applications where they may be exposed to moisture and harsh environmental conditions. Wrought iron bars, although they possess some level of corrosion resistance, are more prone to rusting and require regular maintenance to prevent deterioration. In conclusion, steel round bars and wrought iron bars differ in terms of composition, strength, manufacturing process, cost, and corrosion resistance. The choice between the two will depend on the specific requirements of the application, with steel round bars being favored for their strength and affordability, while wrought iron bars are often chosen for their malleability and decorative appeal.

Q: Can steel round bars be used for making valves or fittings?: Yes, steel round bars can be used for making valves or fittings. Steel is a common material choice for valves and fittings due to its strength, durability, and resistance to corrosion. Steel round bars can be machined or forged into the desired shape for valves or fittings, ensuring that they meet the necessary specifications and requirements. Additionally, steel round bars can be heat-treated to enhance their mechanical properties and make them suitable for high-pressure or high-temperature applications. Overall, steel round bars are a versatile and reliable material option for manufacturing valves or fittings.

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