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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Packaging & Delivery

1, Packaging: seaworthy package or as required

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

Q: How are steel round bars used in the construction of pipelines?: Steel round bars are commonly used in the construction of pipelines as they provide strength and durability to withstand the high pressure and external forces exerted on the pipelines. These bars are often used as reinforcement within the pipeline structure, ensuring its stability and preventing deformation or collapse. Additionally, steel round bars are employed for welding purposes, connecting different sections of the pipeline together, further enhancing its structural integrity.

Q: Can steel round bars be used in electrical applications?: Yes, steel round bars can be used in electrical applications. Steel is a highly conductive material, making it suitable for electrical applications such as grounding systems and electrical connections. Steel round bars are often used in the construction of electrical transmission towers, electrical enclosures, and electrical panels. Additionally, steel round bars can also be used for structural support in electrical installations, providing stability and strength to the overall system. However, it is important to ensure that the steel round bars used in electrical applications comply with the necessary electrical safety standards and have appropriate insulation mechanisms in place to prevent any potential electrical hazards.

Q: What are the different surface conditions for steel round bars?: Steel round bars can come in a variety of surface conditions depending on their intended use and manufacturing process. Some common surface conditions for steel round bars include: 1. Hot Rolled: This is the most common surface condition for steel round bars. It is achieved by heating the steel above its recrystallization temperature and then rolling it through a series of hot rolling mills. This process gives the steel a rough surface with a scale layer that needs to be removed. 2. Cold Drawn: In this surface condition, the steel round bars are pulled through a die at room temperature, which results in a smoother and more precise surface finish. Cold drawn bars have improved dimensional accuracy and surface quality compared to hot rolled bars. 3. Peeled: Steel round bars can also be peeled to remove the scale layer and achieve a smooth surface finish. This process involves rotating the bar against a cutting tool, which results in a clean and bright surface. 4. Ground: Grinding is another method used to achieve a smooth surface finish on steel round bars. It involves removing material from the surface using abrasive belts or wheels, resulting in a precise and consistent surface. 5. Polished: Polishing is a surface treatment that further enhances the appearance and smoothness of steel round bars. It involves using abrasive compounds and buffing wheels to create a reflective and mirror-like finish. 6. Coated: Steel round bars can be coated with various materials to improve their corrosion resistance or enhance their appearance. Common coatings include zinc, chrome, nickel, and various types of paint. The choice of surface condition for steel round bars depends on the specific application and the desired properties. Each surface condition offers different advantages in terms of appearance, corrosion resistance, and mechanical properties.

Q: What are the tolerance standards for steel round bars?: The tolerance standards for steel round bars differ based on specific requirements and industry norms. Generally, the tolerance for the diameter or size of steel round bars is specified as a plus or minus tolerance. This implies that the actual diameter of the bar may slightly deviate from the specified size, but it must fall within the specified tolerance range. In certain industries, like construction or manufacturing, the tolerance for steel round bars may be broader to facilitate easier fabrication and installation. For instance, a common tolerance range for the diameter of steel round bars used in construction could be ±0.005 to ±0.010 inches. In more precise applications, such as aerospace or automotive industries, the tolerance requirements for steel round bars are typically stricter. In these cases, the tolerance range can be significantly smaller, often ranging from ±0.001 to ±0.002 inches. It is important to note that different countries and organizations may have their own specific tolerance standards for steel round bars. These standards are usually outlined in industry-specific documents or specifications, such as ASTM (American Society for Testing and Materials) or ISO (International Organization for Standardization) standards. In summary, the tolerance standards for steel round bars vary depending on the specific requirements of the industry and application. The tolerance range for diameter can range from relatively broad to extremely tight, and these standards are typically defined by industry-specific organizations or standards bodies.

Q: What are the different machining processes used for steel round bars?: There are several machining processes commonly used for steel round bars, depending on the desired outcome and specifications of the project. Some of the most common machining processes for steel round bars include: 1. Turning: Turning is a machining process where the round bar is rotated and a cutting tool is used to remove material, creating a desired shape or size. This process is commonly used to reduce the diameter of the round bar or to create precision cylindrical shapes. 2. Drilling: Drilling involves creating holes in the steel round bar using a rotating cutting tool called a drill bit. This process is often used to create holes for bolts, screws, or other fasteners. 3. Milling: Milling is a machining process that involves removing material from the surface of the steel round bar using a rotating cutting tool with multiple teeth. This process is used to create flat surfaces, grooves, or complex shapes on the round bar. 4. Grinding: Grinding is a process where abrasive particles are used to remove material from the steel round bar, creating a smooth surface finish or achieving specific tolerances. It is commonly used to refine the surface finish or to remove any imperfections. 5. Thread rolling: Thread rolling is a process used to create external threads on the steel round bar. A hardened steel die is pressed against the rotating round bar, causing the material to flow and form the desired threads. 6. Cold drawing: Cold drawing is a process where the steel round bar is pulled through a die to reduce its diameter and improve its surface finish. This process is used to create precise dimensions and improve the mechanical properties of the steel round bar. 7. Heat treatment: Heat treatment is not a machining process itself, but it is often used in conjunction with machining to enhance the properties of the steel round bar. Heat treatment processes such as annealing, quenching, and tempering can be used to improve hardness, strength, and toughness. These are just a few of the many machining processes that can be used for steel round bars. The specific process chosen will depend on factors such as the desired shape, size, surface finish, and mechanical properties required for the application.

Q: What are the different types of carbon steel round bars?: There are several different types of carbon steel round bars, including low carbon steel, medium carbon steel, and high carbon steel. Each type has varying levels of carbon content, which determines its strength and hardness. Low carbon steel round bars have the lowest carbon content and are more easily welded and formed. Medium carbon steel round bars have a higher carbon content and are stronger and more durable, making them suitable for applications that require higher strength. High carbon steel round bars have the highest carbon content and are extremely strong and hard, making them ideal for applications that require maximum strength and wear resistance.

Q: How do you measure the straightness tolerance of a steel round bar?: To measure the straightness tolerance of a steel round bar, you can use a variety of methods depending on the accuracy and precision required. Here are a few common techniques: 1. Visual Inspection: This is a simple method where you visually inspect the bar for any visible deviations from straightness. You can place the bar on a flat surface and look for any bends or curves along its length. However, this method is subjective and may not provide precise measurements. 2. Straightedge Method: In this method, you place a straightedge, such as a ruler or a precision straightedge, against the bar's surface and check for any gaps or spaces between the straightedge and the bar. This method provides a more accurate measurement but can still be influenced by human error. 3. Dial Indicator Method: This method involves using a dial indicator, which is a precision measuring tool, to measure the straightness tolerance. You secure the dial indicator to a fixed point and then move it along the length of the bar, noting any deviations from a straight line. This method provides more precise measurements and can be used to quantify the straightness tolerance in terms of a specific unit of measurement, such as inches or millimeters. 4. Laser Measurement: Laser systems, such as laser alignment devices, can be used to measure the straightness tolerance of a steel round bar. These systems use lasers to project a straight line onto the surface of the bar and then measure any deviations from this line. Laser measurement provides highly accurate and repeatable results, making it suitable for applications that require tight tolerances. It is important to note that the choice of measurement method depends on the required accuracy, the size of the round bar, and the available resources and equipment. Additionally, it is recommended to consult industry standards and guidelines to ensure compliance with specific tolerances and requirements for your application.

Q: What are the different grades of steel round bars?: There are several different grades of steel round bars, each with its own unique properties and characteristics. Some of the most common grades include: 1. Mild Steel: Also known as low carbon steel, this grade is the most widely used due to its affordability and versatility. It has a relatively low carbon content and is easy to weld and form. 2. Carbon Steel: This grade contains a higher carbon content than mild steel, making it stronger and more durable. It is commonly used in applications that require high strength and hardness, such as construction and machinery. 3. Alloy Steel: Alloy steel round bars are made by combining different elements, such as chromium, nickel, or molybdenum, with carbon steel. This creates a material with enhanced properties, such as increased corrosion resistance, improved toughness, and higher tensile strength. 4. Stainless Steel: Stainless steel round bars are made primarily from iron and contain a minimum of 10.5% chromium. This grade of steel is known for its excellent corrosion resistance and is commonly used in applications where hygiene and cleanliness are crucial, such as in the food and pharmaceutical industries. 5. Tool Steel: Tool steel round bars are specifically designed to withstand high temperatures, heavy loads, and repeated impacts. They have excellent hardness, wear resistance, and toughness, making them suitable for manufacturing tools and dies. 6. High-Speed Steel (HSS): HSS round bars are a type of tool steel that can withstand high cutting speeds without losing their hardness. They are commonly used in applications that involve cutting, drilling, or machining at high speeds, such as in the manufacturing of drills and milling cutters. These are just a few of the many grades of steel round bars available, each designed to meet specific requirements in various industries and applications. It is important to select the appropriate grade based on factors such as strength, corrosion resistance, and desired properties for a particular project or usage.

Q: Can steel round bars be used for making exhaust systems?: Yes, steel round bars can be used for making exhaust systems. Steel is a popular material choice for exhaust systems due to its durability, heat resistance, and ability to withstand high temperatures and corrosive environments. Steel round bars can be used to fabricate the pipes, mufflers, and other components of an exhaust system. They can be easily welded and shaped into the desired form, allowing for customization and flexibility in design. Additionally, steel round bars can provide the necessary strength and structural integrity required for an efficient and long-lasting exhaust system.

Q: Can steel round bars be used for making tie rods?: Indeed, tie rods can be fashioned from steel round bars. Owing to their robustness and endurance, steel round bars find widespread usage in the realm of construction and engineering. By offering structural reinforcement and stability, tie rods serve a vital purpose, and steel round bars are particularly appropriate for this task. Possessing remarkable tensile strength, they can withstand substantial loads and tension, rendering them a perfect selection for tie rods. Moreover, steel round bars enable effortless fabrication and welding, thereby allowing for adaptability and versatility in the creation and assembly of tie rods.

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