Steel Round Bar Reliable manufacturer in China
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 400 m.t.
- Supply Capability:
- 2000000 m.t./month
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Description of steel round bar:
1. Commodity: Round steel bar
2. Technical: Hot rolling
3. Length: Min. 5.8meter, according to requirement.
Festures of steel round 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
3. Process: EAF+LF+VD ( necessary) UT+ Peeled +Turned + Heat Treatment (optional).Providing complete services from manufacturing and marketing to distributing;Steel exported all over the world;
4. Chemical Composition (%):
C | Si | Mn | S | P | Cr | Ni | Cu | Mo |
0.37-0.44 | 0.17-0.37 | 0.40-0.80 | 0.025(max) | 0.025(max) | 0.60-0.90 | 1.25-1.65 | 0.025(max) | 0.15-0.25 |
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: What are the different types of steel used in manufacturing round bars?
- There are several different types of steel that are commonly used in the manufacturing of round bars. Some of the most common types include: 1. Carbon Steel: This is the most common type of steel used in manufacturing round bars. It is made up primarily of iron and carbon, and is known for its strength and durability. Carbon steel round bars are used in a wide range of applications, including construction, automotive, and machinery. 2. Alloy Steel: Alloy steel is made by adding various elements to carbon steel, such as manganese, nickel, chromium, and molybdenum. These additional elements enhance the strength and hardness of the steel, making it ideal for applications that require high strength and resistance to wear and tear. 3. Stainless Steel: Stainless steel is a type of alloy steel that contains a minimum of 10.5% chromium. This high chromium content gives stainless steel its unique corrosion resistance properties, making it suitable for applications where exposure to moisture or chemicals is a concern. Stainless steel round bars are commonly used in the manufacturing of kitchen utensils, medical equipment, and automotive parts. 4. Tool Steel: Tool steel is a type of alloy steel that is specifically designed to have high hardness, wear resistance, and heat resistance. It is commonly used in the manufacturing of cutting tools, dies, and molds. Tool steel round bars are typically made from high-carbon steel with additional elements like tungsten, vanadium, or cobalt. 5. Bearing Steel: Bearing steel is a type of alloy steel that is specifically designed for use in bearing applications. It is characterized by its high hardness, wear resistance, and fatigue strength. Bearing steel round bars are commonly used in the manufacturing of bearings for various industries, including automotive, aerospace, and industrial machinery. These are just a few examples of the different types of steel used in the manufacturing of round bars. The specific type of steel chosen will depend on the desired properties and requirements of the application.
- Q: What are the different heat treatment processes for steel round bars?
- There are several heat treatment processes for steel round bars, including annealing, normalizing, quenching, tempering, and hardening. Annealing involves heating the steel to a specific temperature and then slowly cooling it to relieve internal stresses and improve its machinability. Normalizing is a similar process, but the cooling is done in still air to achieve a more uniform structure. Quenching involves rapidly cooling the steel from a high temperature to increase its hardness, while tempering is a subsequent process that reduces the brittleness caused by quenching through controlled reheating. Hardening is a process that involves heating the steel to a high temperature and then rapidly cooling it to achieve maximum hardness.
- Q: How are steel round bars classified based on their shape?
- Steel round bars can be categorized into two main groups, namely hot-rolled round bars and cold-drawn round bars, depending on their shape. Hot-rolled round bars are produced by heating a steel billet until it becomes malleable and then passing it through a series of rollers to achieve the desired shape. This manufacturing process results in a rougher surface texture and a slightly larger diameter when compared to cold-drawn round bars. Hot-rolled round bars find common usage in construction, engineering, and manufacturing applications where strength and durability play a crucial role. On the other hand, cold-drawn round bars are manufactured by pulling a hot-rolled round bar through a series of dies at room temperature. This process enhances the dimensional accuracy, surface finish, and mechanical properties of the steel. Cold-drawn round bars possess a smoother surface texture and a more precise diameter, making them suitable for applications that demand tight tolerances, such as precision machining, automotive components, and machinery shafts. In conclusion, the classification of steel round bars, based on their shape, is determined by the specific manufacturing process employed. Hot-rolled round bars exhibit rougher surfaces and slightly larger diameters, while cold-drawn round bars boast smoother surfaces and more precise dimensions. The choice between these two categories depends on the specific requirements of the given application.
- Q: What are the advantages of using nickel-titanium alloy steel round bars?
- There are several advantages of using nickel-titanium (NiTi) alloy steel round bars. First and foremost, NiTi alloy steel round bars exhibit exceptional shape memory and superelasticity properties. This means that they can be deformed or bent, and then return to their original shape upon heating or removal of stress. This unique characteristic makes NiTi alloy steel round bars ideal for applications where flexibility and resilience are required, such as in the medical field for surgical instruments or orthodontic wires. Another advantage of using NiTi alloy steel round bars is their high corrosion resistance. Nickel and titanium are both highly resistant to corrosion, making the alloy extremely durable and long-lasting. This makes them suitable for various industrial applications, including marine environments, where exposure to moisture and saltwater can lead to corrosion of other metals. Additionally, NiTi alloy steel round bars have a high strength-to-weight ratio. Despite being lightweight, they possess excellent mechanical properties, including high tensile strength and good fatigue resistance. This makes them suitable for various engineering and structural applications, such as in aerospace, automotive, and construction industries. The lightweight nature of the bars also allows for easier handling and transportation. Furthermore, NiTi alloy steel round bars have excellent thermal stability, with a wide temperature range of usability. They can withstand extreme temperatures without losing their shape memory or superelasticity properties. This makes them suitable for applications that involve exposure to high or low temperatures, such as in aerospace or oil and gas industries. In summary, the advantages of using nickel-titanium alloy steel round bars include their shape memory and superelasticity properties, high corrosion resistance, high strength-to-weight ratio, and excellent thermal stability. These qualities make NiTi alloy steel round bars a versatile and reliable choice for a wide range of applications across various industries.
- Q: How are steel round bars used in the manufacturing of hydraulic cylinders?
- Steel round bars are a crucial component in the manufacturing of hydraulic cylinders due to their strength, durability, and versatility. These round bars are typically made from carbon steel, alloy steel, or stainless steel, which are all known for their high tensile strength and resistance to corrosion. The first step in using steel round bars for hydraulic cylinders is the selection of the appropriate diameter and length. The diameter of the round bar determines the overall strength of the hydraulic cylinder, and the length determines its size and capacity. Once the desired dimensions are determined, the steel round bars are cut to the required length using specialized cutting tools. Next, the steel round bars undergo a series of processes to shape them into the necessary components of a hydraulic cylinder. This includes machining, drilling, and turning operations to create features such as threaded ends, grooves, and mounting surfaces. These processes are carried out with precision to ensure the round bars meet the exact specifications of the hydraulic cylinder design. After the shaping processes, the steel round bars are heat-treated to enhance their mechanical properties. Heat treatment involves heating the round bars to a specific temperature and then rapidly cooling them to achieve the desired hardness, toughness, and dimensional stability. This step is crucial in ensuring the hydraulic cylinders can withstand the high pressures and forces they will encounter during operation. Once the steel round bars have been shaped and heat-treated, they are further processed to achieve the desired surface finish. This can involve processes such as grinding, polishing, or coating to improve the round bars' appearance and resistance to corrosion. The surface finish is important for ensuring smooth operation and preventing any potential leaks or damage to the hydraulic cylinder. Finally, the steel round bars are assembled with other components such as piston rods, cylinder heads, and seals to complete the hydraulic cylinder. These assemblies are carried out using advanced welding or fastening techniques to ensure the components are securely attached and can withstand the forces and pressures exerted during hydraulic operation. In summary, steel round bars play a vital role in the manufacturing of hydraulic cylinders by providing the necessary strength, durability, and versatility required for these critical components. From the initial selection of the appropriate diameter and length to the shaping, heat treatment, and assembly processes, the use of steel round bars ensures the hydraulic cylinders can effectively transmit hydraulic power while withstanding the demanding conditions they are designed for.
- Q: Do steel round bars have a maximum load capacity?
- Yes, steel round bars have a maximum load capacity. The maximum load capacity of a steel round bar is determined by various factors such as the diameter and length of the bar, the type and grade of steel used, and the specific application or industry standards it is being used in. The load capacity is usually determined through testing and analysis, taking into consideration factors like yield strength, ultimate tensile strength, and the ability of the bar to withstand bending or deformation under load. It is important to consult engineering specifications and guidelines to ensure that the maximum load capacity of a steel round bar is not exceeded in order to maintain safety and structural integrity.
- Q: Can steel round bars be used for making railway tracks?
- Making railway tracks is possible using steel round bars. They are commonly chosen as the main material for railway tracks due to their strength, durability, and capacity to handle heavy loads. These bars offer a stable and solid base for train travel and can endure the continuous wear and tear caused by train wheels. The circular shape of the bars also aids in reducing friction and enabling smooth train movement. Moreover, steel is resistant to rust, which makes it appropriate for long-lasting outdoor applications like railway tracks. In conclusion, steel round bars are a favored option for creating railway tracks because of their strength, durability, and dependability.
- Q: Can steel round bars be used in high-pressure applications?
- Yes, steel round bars can be used in high-pressure applications. Steel is known for its strength and durability, making it suitable for withstanding high-pressure environments. Additionally, steel round bars can be manufactured to specific tensile and yield strengths, allowing them to meet the requirements of various high-pressure applications.
- Q: What are the factors to consider when selecting a steel round bar for a specific application?
- When selecting a steel round bar for a specific application, several factors need to be considered. Firstly, the desired mechanical properties such as strength, hardness, and toughness should be evaluated based on the application's requirements. Secondly, the chemical composition of the steel, including elements like carbon, alloying elements, and impurities, should be analyzed to ensure compatibility with the intended use. Additionally, the dimensions and tolerances of the round bar must be considered to ensure proper fit and functionality. Other factors to consider include surface finish, heat treatment requirements, corrosion resistance, and cost. Overall, a comprehensive understanding of the application's needs and careful consideration of these factors will help in selecting the appropriate steel round bar.
- Q: Can steel round bars be used in automotive applications?
- Yes, steel round bars can be used in automotive applications. Steel round bars are commonly used in various automotive components and systems due to their strength, durability, and versatility. They can be used in the manufacturing of engine parts, suspension components, drive shafts, axles, and other structural parts of vehicles. Steel round bars offer excellent mechanical properties, including high tensile strength and good resistance to impact and fatigue, making them suitable for withstanding the demanding conditions experienced in automotive applications. Additionally, steel round bars can be easily machined, welded, and formed into the desired shape, allowing for efficient manufacturing processes in the automotive industry.
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Steel Round Bar Reliable manufacturer in China
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 400 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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