A36 Steel Round Bars from China with High Quality
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 500 m.t.
- Supply Capability:
- 2000000 m.t./month
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Description of steel round bar:
1.Diameter 80 to 800 mm
2.Black or Bright surface
3.Annealed or Quenched and tempered provided
4.Cutting service provide. Carbon steel rod 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.
Festures of steel round bar:
4340 Forged Round Steel Bar
1.Dia 80-800mm Length:2000-13000mm or as required
2.Technique:Forged
3.Delivery Time:45 days
Specifications of steel round bar:
1. Standards: AISI 4340 8620 8640 4320 , JIS SNCM8 GB:40CrNiMoA
2. Specification: Dia: 80~450mm Length:2000-13000mm or as required
Images of steel round bar:
FAQ:
1. What is your package?
Packing situation: standard seaworthy packing or as customer required.
2. How long is the lead time?
Delivery time: 45 days after order confirmed.
3. What payment term do you accept?
Payment: T/T or L/C at sight.
- Q:How do you prevent steel round bars from rusting during storage?
- To prevent steel round bars from rusting during storage, it is important to keep them in a dry environment with low humidity. Applying a coating of protective oil or wax can also help create a barrier against moisture and prevent rust formation. Additionally, storing the bars off the ground and away from direct contact with concrete or other materials that may cause corrosion can further prevent rusting. Regular inspections and maintenance are crucial to ensure the bars remain rust-free.
- Q:What are the different types of steel round bars used in the manufacturing of shafts?
- There are several types of steel round bars used in the manufacturing of shafts, including carbon steel, alloy steel, stainless steel, and tool steel. Each type has its own unique properties and characteristics that make it suitable for specific applications. For instance, carbon steel round bars are commonly used for general-purpose shafts due to their high strength and affordability. Alloy steel round bars, on the other hand, are preferred for applications that require enhanced strength, hardness, and durability. Stainless steel round bars are used when corrosion resistance is a priority, making them ideal for shafts in industries like food processing or marine environments. Finally, tool steel round bars are chosen for their exceptional hardness, wear resistance, and ability to withstand high temperatures, making them suitable for shafts used in cutting tools or machinery. The selection of the appropriate type of steel round bar depends on the specific requirements and conditions of the shaft's application.
- Q:How do you calculate the weight of a steel round bar based on its length, diameter, and density?
- In order to determine the weight of a steel round bar, it is necessary to utilize the formula for calculating the volume of a cylinder, which is then multiplied by the density of the steel. Here are the steps to be followed: 1. Determine the radius or diameter of the steel round bar. If the diameter is known, divide it by 2 to obtain the radius. 2. Compute the volume of the round bar by applying the formula V = πr^2h, where V represents the volume, π denotes a mathematical constant roughly equal to 3.14159, r indicates the radius, and h symbolizes the length of the round bar. 3. If the diameter, radius, and length are expressed in different units of measurement, convert them to the same unit. 4. Multiply the volume of the round bar by the density of steel. The density of steel varies depending on the type and grade, but a commonly used value is 7.85 g/cm^3 or 7850 kg/m^3. For instance, suppose there is a steel round bar with a diameter of 2 cm, a length of 50 cm, and a density of steel equal to 7850 kg/m^3. 1. Calculate the radius: r = 2 cm / 2 = 1 cm. 2. Determine the volume: V = π(1 cm)^2 * 50 cm = 50π cm^3. 3. Convert the volume to cubic meters: V = 50π cm^3 * (1 m / 100 cm)^3 = 50π * 10^-6 m^3. 4. Compute the weight: Weight = volume * density = 50π * 10^-6 m^3 * 7850 kg/m^3 = 0.3925 kg. Therefore, the approximate weight of the steel round bar is 0.3925 kg.
- Q:What is the difference between a rough turned and a seamless steel round bar?
- A rough turned steel round bar refers to a metal bar that has undergone a preliminary turning process, where excess material is removed to achieve a rougher surface finish. This process helps to create a more uniform diameter and removes any surface imperfections or irregularities. Rough turned bars are commonly used in applications where a smooth surface finish is not a requirement, such as in manufacturing machinery or agricultural equipment. On the other hand, a seamless steel round bar is a solid metal bar that is formed without any welding or seams. It is manufactured through a process called piercing, where a solid billet is heated and then pierced with a mandrel to create a hollow tube. The tube is then elongated and reduced in diameter through a series of rolling and drawing processes until it reaches the desired dimensions. Seamless round bars are known for their superior strength and resistance to corrosion, making them suitable for applications where a high level of performance is required, such as in the oil and gas industry or automotive manufacturing. In summary, the main difference between a rough turned and a seamless steel round bar lies in their manufacturing processes and surface finishes. Rough turned bars are created by removing excess material to achieve a rougher surface finish, while seamless bars are formed without any welding or seams, resulting in a smooth and continuous surface.
- Q:What are the different types of tests performed on steel round bars for quality control?
- There are several types of tests performed on steel round bars for quality control. These include visual inspection, dimensional checks, surface roughness evaluation, hardness testing, tensile testing, impact testing, and chemical composition analysis. These tests help ensure that the steel round bars meet the required quality standards and are fit for their intended applications.
- Q:Can steel round bars be annealed?
- Steel round bars can indeed undergo annealing, a heat treatment process in which the steel is heated to a specific temperature and gradually cooled. This procedure serves to alleviate internal stresses, enhance ductility, and improve the steel's machinability. Annealing can be employed on various steel products, including round bars, to render them more pliable, easier to work with, and minimize the likelihood of cracking or failure in subsequent manufacturing procedures.
- Q:Can steel round bars be used in the production of medical equipment?
- Yes, steel round bars can be used in the production of medical equipment. Steel is known for its durability, strength, and resistance to corrosion, making it suitable for manufacturing various medical instruments and equipment. Steel round bars can be used to create components such as surgical tools, implants, orthopedic devices, and many other medical apparatus.
- Q:How do steel round bars compare to other materials in terms of strength?
- Steel round bars are known for their exceptional strength, making them highly desirable in various industries. When compared to other materials, steel round bars often outperform alternative options in terms of strength. This is mainly due to the unique properties of steel, such as its high tensile strength and toughness. In comparison to materials like aluminum or plastic, steel round bars offer superior strength and durability. Steel has a much higher tensile strength, which means it can withstand greater amounts of tension without deforming or breaking. This attribute makes steel round bars ideal for applications that require structural support or load-bearing capabilities. Furthermore, steel round bars exhibit excellent resistance to bending, shearing, and impact. This resilience allows them to withstand heavy loads, vibrations, and external forces, making them suitable for use in construction, automotive, and manufacturing industries. Steel's high strength-to-weight ratio also makes it an advantageous choice in applications where weight is a crucial factor, such as aerospace or transportation. Moreover, steel round bars can be engineered to possess specific properties, such as heat resistance or corrosion resistance, further enhancing their strength and versatility. By alloying steel with elements like chromium or nickel, it can attain resistance to rust, oxidation, and other forms of deterioration, extending its lifespan and maintaining its strength over time. In summary, steel round bars excel in terms of strength when compared to other materials. Their exceptional tensile strength, toughness, resistance to bending and impact, and ability to be tailored for specific applications make them a preferred choice in numerous industries.
- Q:How do steel round bars compare to fiberglass or composite bars?
- Steel round bars are generally stronger and more durable than fiberglass or composite bars. They have a higher tensile strength, making them suitable for heavy-duty applications and environments that require resistance to extreme conditions. Fiberglass or composite bars, on the other hand, are lighter in weight and have better corrosion resistance, making them suitable for applications like construction and transportation, where weight reduction and resistance to chemicals or moisture are critical factors. Ultimately, the choice between steel round bars and fiberglass or composite bars depends on the specific requirements and limitations of the intended use.
- Q:How do you cut steel round bars?
- To cut steel round bars, there are several methods that can be used depending on the specific requirements and available tools. Here are a few common techniques: 1. Abrasive Cutting: This method involves using an abrasive cutting wheel or disc, usually mounted on a handheld angle grinder or a chop saw. The round bar is secured in place, and the cutting wheel is applied to create a groove on the bar's surface. By applying pressure and rotating the bar, the cutting wheel gradually cuts through the steel. 2. Cold Saw: A cold saw is a specialized machine used for cutting metal. It has a circular blade that operates at a low speed, reducing heat generation during the cutting process. The round bar is securely clamped in place, and the cold saw's blade is lowered onto the bar, cutting through it with precision. 3. Band Saw: A band saw is another machine commonly used to cut steel round bars. It consists of a continuous toothed metal band that rotates on two pulleys. The round bar is secured in a vise, and the band saw is adjusted to the desired cutting angle and speed. The bar is then fed into the blade, which cuts through it smoothly. 4. Torch Cutting: For thicker steel round bars, oxy-fuel torch cutting can be employed. This method involves using a torch that combines oxygen and fuel gas, such as acetylene, to generate a high-temperature flame. The round bar is heated until it reaches a molten state, and then a separate stream of oxygen is directed onto the heated region, causing the steel to oxidize rapidly and form a cut. Regardless of the method used, it is crucial to take proper safety precautions, such as wearing protective goggles, gloves, and ensuring a stable work surface. Additionally, using the appropriate cutting tools and techniques for the specific type of steel being cut is essential to achieve clean and precise cuts.
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A36 Steel Round Bars from China with High Quality
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 500 m.t.
- Supply Capability:
- 2000000 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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