• Steel Round Bar Reliable Manufacturer with High Quality System 1
  • Steel Round Bar Reliable Manufacturer with High Quality System 2
  • Steel Round Bar Reliable Manufacturer with High Quality System 3
Steel Round Bar Reliable Manufacturer with High Quality

Steel Round Bar Reliable Manufacturer with High Quality

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
55 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

This steel has good workability,processing deformation is small, anti fatigue performance is quite good, belongs to medium quenching steel,4140 after heat treatment, it has good strength and good comprehensive mechanical properties.The process is good.

 

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

3. Process:  EAF+LF+VD ( necessary)    UT+ Peeled +Turned + Heat Treatment (optional)


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Steel Round Bar Reliable Manufacturer with High Quality

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: The difference between round face and round bar steel on concrete
Round bar is divided into three parts: hot rolling, forging and cold drawing. Standard Specification for hot rolled round steel is 5.5-250 mm. Of which: 5.5-25 mm small round bars are mostly supplied by straight strips. They are used as reinforcing bars, bolts and various mechanical parts, and more than 25 millimeters of round steel. They are mainly used in the manufacture of mechanical parts or seamless steel tube billets.
Q: What are the advantages of using carbon steel round bars?
There are several advantages to using carbon steel round bars in various applications. Firstly, carbon steel round bars are known for their high strength and durability. They have a high tensile strength, making them suitable for heavy-duty applications that require withstanding significant loads and pressures. This makes carbon steel round bars ideal for use in construction, manufacturing, and engineering industries. Another advantage of carbon steel round bars is their excellent machinability. They can be easily cut, drilled, and shaped into various forms, making them versatile for different projects. This also allows for precise and accurate fabrication, ensuring that the desired specifications and dimensions are achieved. Carbon steel round bars also offer good weldability, which means they can be easily joined together using various welding techniques. This makes them a preferred choice in the construction of structures and machinery that require strong and secure connections. Additionally, carbon steel round bars are relatively cost-effective compared to other materials with similar properties. They offer an excellent balance between performance and affordability, making them a popular choice for many applications. Moreover, they have a long lifespan and require minimal maintenance, resulting in cost savings over time. Carbon steel round bars are also highly resistant to corrosion and wear. This is due to the presence of carbon and other alloying elements, which enhance their resistance to external factors such as moisture, chemicals, and abrasion. As a result, carbon steel round bars can withstand harsh environments and prolonged exposure to various elements, making them suitable for outdoor applications. Lastly, carbon steel round bars are readily available in the market due to their widespread use and popularity. They are available in various sizes, grades, and specifications, allowing users to select the most suitable option for their specific needs. This availability ensures ease of sourcing and reduces lead times for projects. In conclusion, the advantages of using carbon steel round bars include their high strength, excellent machinability, good weldability, affordability, corrosion resistance, and availability. These qualities make carbon steel round bars a reliable and versatile choice for a wide range of applications in different industries.
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: What are the different welding techniques for steel round bars?
There are several different welding techniques that can be used for steel round bars, including shielded metal arc welding (SMAW), gas metal arc welding (GMAW), gas tungsten arc welding (GTAW), and flux-cored arc welding (FCAW). Each technique has its own advantages and disadvantages, depending on factors such as the thickness of the steel, the desired weld strength, and the specific application.
Q: What is the standard length of a steel round bar?
The standard length of a steel round bar varies depending on the manufacturer and the specific application. However, common standard lengths range from 6 to 12 feet (1.8 to 3.6 meters).
Q: What is the impact strength of a steel round bar?
The impact strength of a steel round bar refers to its ability to withstand sudden applied forces or shock loads without fracturing or breaking. It is usually measured in terms of energy absorbed during impact testing, such as the Charpy or Izod test. The exact impact strength can vary depending on the specific grade and heat treatment of the steel, but steel round bars are generally known for their high impact strength, making them suitable for applications requiring resistance to sudden impacts or dynamic loads.
Q: Can steel round bars be used for making renewable energy systems?
Yes, steel round bars can be used for making renewable energy systems. Steel is a versatile material that is commonly used in various industries, including renewable energy. It is strong, durable, and resistant to corrosion, making it ideal for constructing frameworks, support structures, and components of renewable energy systems. Steel round bars can be used to manufacture wind turbine towers, solar panel frames, and support structures for hydroelectric power systems. Wind turbine towers require a strong and stable structure to support the weight of the turbine and withstand the forces of wind. Steel round bars provide the necessary strength and stability, ensuring the safety and efficiency of the wind turbine. Similarly, solar panel frames need to be sturdy enough to support the weight of the panels and withstand harsh weather conditions. Steel round bars can be used to construct durable frames that can securely hold the solar panels in place. In the case of hydroelectric power systems, steel round bars can be used to build support structures for various components, such as turbines, generators, and penstocks. These structures need to withstand the immense pressure and force of water flow, and steel's strength and durability make it an excellent choice for this purpose. Overall, steel round bars are a reliable and commonly used material in the construction of renewable energy systems. Their strength, durability, and resistance to corrosion make them suitable for various applications, helping to ensure the long-term viability and sustainability of renewable energy sources.
Q: What are the advantages of using precipitation-strengthened steel round bars?
One advantage of using precipitation-strengthened steel round bars is their superior strength and hardness. The precipitation-hardening process allows for the formation of fine and evenly dispersed particles, enhancing the material's mechanical properties. This makes them suitable for applications that require high strength and durability, such as in construction, manufacturing, and automotive industries. Additionally, precipitation-strengthened steel round bars have excellent corrosion resistance, enabling them to withstand harsh environments and prolonged exposure to moisture without compromising their strength.
Q: How are steel round bars tested for quality and compliance?
Steel round bars are tested for quality and compliance through various assessment methods such as visual inspection, dimensional measurements, chemical composition analysis, and mechanical property testing. These tests ensure that the bars meet the required standards, strength, and durability for their intended applications.
Q: What is the maximum phosphorus content allowed for steel round bars?
The maximum phosphorus content allowed for steel round bars varies depending on the specific steel grade and industry standards. However, in general, the phosphorus content in steel round bars is typically limited to a maximum of 0.04% to 0.05%. This limitation is imposed to ensure the desired mechanical properties, such as strength, toughness, and ductility, of the steel product. Higher phosphorus content can negatively impact these properties and may lead to reduced weldability, increased brittleness, and decreased corrosion resistance. Therefore, manufacturers and regulatory bodies set strict limits on phosphorus content to ensure the quality and performance of steel round bars in various applications. It is important to consult relevant industry standards or specifications to determine the specific maximum phosphorus content allowed for a particular steel grade or application.

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