• Steel Round Bars Reliable Manufacturer from China System 1
  • Steel Round Bars Reliable Manufacturer from China System 2
  • Steel Round Bars Reliable Manufacturer from China System 3
Steel Round Bars Reliable Manufacturer from China

Steel Round Bars Reliable Manufacturer from China

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
400 m.t.
Supply Capability:
4555553 m.t./month

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Description of steel round bar:

1. Commodity: Round steel bar 

3. Technical: Hot rolling 
2. 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 

 

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). It is used in the manufacture of a higher strength and higher quenching and tempering section of the 35CrMo steel, like big locomotive traction gears, supercharger drive gear, rear axle, the connecting rod and the spring load greatly clip,it can also be used for 2000m following oil well drill pipe joints and fishing tools,and can be used for bending machine dies, etc.

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:

Steel Round Bars Reliable Manufacturer from China

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.

Q:Can steel round bars be used for making medical equipment?
Medical equipment can indeed be made using steel round bars. Steel is a versatile and durable material that is commonly used in the manufacturing of medical instruments and equipment. It possesses excellent strength and can withstand high levels of stress and pressure, making it suitable for a wide range of medical applications. Moreover, steel's resistance to corrosion and its ability to be easily sterilized ensure that the medical equipment remains hygienic and safe for use. Steel round bars can be machined, shaped, and formed into various medical instruments such as surgical tools, implants, braces, and prosthetics. Therefore, steel round bars are a viable option for producing medical equipment due to their strength, durability, and compatibility with sterilization processes.
Q:What is the difference between a centerless ground and a precision ground steel round bar?
The main difference between a centerless ground and a precision ground steel round bar lies in the manufacturing process and the resulting quality of the finished product. A centerless ground steel round bar is manufactured using a machining technique called centerless grinding. In this process, the steel bar is placed between two grinding wheels, one rotating at a high speed and the other stationary. The rotating wheel removes material from the bar's surface, creating a smooth and evenly-sized round shape. Centerless grinding is known for its ability to produce bars with tight tolerances and excellent surface finish. On the other hand, a precision ground steel round bar is manufactured using a different process called precision grinding. In precision grinding, the steel bar is held in a chuck or fixture and rotated against a grinding wheel. The grinding wheel removes material from the bar's surface, creating a precise round shape with tight tolerances. Precision grinding is often used when a higher level of accuracy is required, such as in applications where the bar will be used as a critical component in machinery or tools. In summary, both centerless ground and precision ground steel round bars offer a high level of dimensional accuracy and surface finish. However, centerless grinding is a more efficient and cost-effective process for producing large quantities of round bars with consistent quality, while precision grinding is preferred for applications that require the highest level of dimensional accuracy and surface finish.
Q:What are the advantages of using non-alloy steel round bars?
There are several advantages of using non-alloy steel round bars. Firstly, non-alloy steel round bars are known for their high strength and durability. They have a higher tensile strength compared to alloy steel, making them suitable for various applications where strength is a crucial requirement. This makes them ideal for use in industries such as construction, automotive, and manufacturing. Additionally, non-alloy steel round bars have excellent weldability and machinability. They can be easily welded and formed into various shapes, allowing for flexibility in design and fabrication. This makes them convenient to work with and saves time and effort during the manufacturing process. Non-alloy steel round bars also have good corrosion resistance properties. They are less prone to rust and degradation, making them suitable for use in environments where exposure to moisture or corrosive substances is a concern. This corrosion resistance ensures the longevity and reliability of the steel bars, reducing maintenance and replacement costs in the long run. Furthermore, non-alloy steel round bars are cost-effective compared to alloy steel. They are more affordable and readily available, making them a cost-efficient choice for a wide range of applications. This affordability makes non-alloy steel round bars a popular choice for small-scale projects or businesses with budget constraints. Overall, the advantages of using non-alloy steel round bars include high strength, excellent weldability and machinability, good corrosion resistance, and cost-effectiveness. These qualities make them a versatile and reliable option for various industries and applications.
Q:How are steel round bars made?
Steel round bars are made through a process called hot rolling, where steel billets are heated and then passed through a series of rollers to achieve the desired shape and size. This process helps to improve the strength and durability of the steel, making it suitable for various applications in construction, manufacturing, and engineering industries.
Q:Can steel round bars be used for making engine parts?
Yes, steel round bars can be used for making engine parts. Steel round bars are often used in the manufacturing of engine components due to their high strength, durability, and resistance to heat and corrosion. They can be machined into various shapes and sizes to create engine parts such as crankshafts, camshafts, connecting rods, and valves. The use of steel round bars ensures the required mechanical properties and structural integrity needed for engine performance and reliability. Additionally, steel round bars can be heat-treated and surface-treated to further enhance their properties, making them suitable for engine applications.
Q:Are steel round bars suitable for the production of springs?
Yes, steel round bars are suitable for the production of springs. Steel round bars are commonly used in the manufacturing of springs due to their high strength, durability, and ability to withstand heavy loads and repeated stress. They provide the necessary rigidity and flexibility required for effective spring functioning. Additionally, steel round bars can be easily shaped and manipulated into various spring designs, making them a preferred choice in the production of springs.
Q:Can steel round bars be used for making tie rods?
Yes, steel round bars can be used for making tie rods.
Q:Can steel round bars be used in the manufacturing of agricultural equipment?
Yes, steel round bars can be used in the manufacturing of agricultural equipment. Steel is a strong and durable material that provides the necessary strength and structural integrity required for agricultural machinery. It is commonly used in the production of components such as axles, shafts, and supports, making it suitable for various types of farming equipment.
Q:What are the advantages of using nickel-copper alloy steel round bars?
There are several advantages of using nickel-copper alloy steel round bars. Firstly, nickel-copper alloy steel has excellent resistance to corrosion and oxidation. This makes it ideal for applications in harsh environments, such as marine or chemical industries, where the bars may come into contact with corrosive substances or saltwater. The high resistance to corrosion ensures the longevity and durability of the round bars, reducing the need for frequent replacements. Secondly, nickel-copper alloy steel round bars have excellent mechanical properties. The addition of nickel and copper to the alloy enhances its strength, toughness, and hardness. This makes the bars suitable for heavy-duty applications that require high strength and durability, such as in construction, manufacturing, and engineering. The superior mechanical properties of nickel-copper alloy steel round bars allow them to withstand heavy loads and resist deformation or breakage, contributing to the overall safety and reliability of the structures or components they are used in. Another advantage of using nickel-copper alloy steel round bars is their excellent thermal stability. The alloy has a low coefficient of thermal expansion, meaning it can withstand high temperatures without significant dimensional changes. This property is particularly important in applications that involve exposure to extreme heat, such as in the aerospace or power generation industries. The thermal stability of the round bars ensures their dimensional integrity, reducing the risk of warping or cracking under high-temperature conditions. Furthermore, nickel-copper alloy steel round bars offer good electrical conductivity. This property is beneficial in applications that require the transmission of electric current, such as in electrical wiring or power distribution systems. The high electrical conductivity of the alloy ensures efficient and reliable electrical connections, minimizing power loss and maximizing performance. In conclusion, the advantages of using nickel-copper alloy steel round bars include excellent corrosion resistance, superior mechanical properties, thermal stability, and good electrical conductivity. These characteristics make the bars suitable for a wide range of applications in various industries, providing durability, strength, and reliability.
Q:What are the different types of steel round bars used in the agricultural sector?
In the agricultural sector, different types of steel round bars are commonly used, including mild steel, carbon steel, and stainless steel. These bars are used for various applications such as constructing farm machinery, fencing, and handling equipment. Mild steel round bars are cost-effective and offer good strength, while carbon steel round bars provide enhanced durability and resistance to wear and tear. Stainless steel round bars are favored for their corrosion resistance properties, making them suitable for agricultural applications exposed to moisture or chemicals.

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