• Forged Alloy Tool Steel Round Bar A8 System 1
  • Forged Alloy Tool Steel Round Bar A8 System 2
  • Forged Alloy Tool Steel Round Bar A8 System 3
  • Forged Alloy Tool Steel Round Bar A8 System 4
  • Forged Alloy Tool Steel Round Bar A8 System 5
  • Forged Alloy Tool Steel Round Bar A8 System 6
Forged Alloy Tool Steel Round Bar A8

Forged Alloy Tool Steel Round Bar A8

Ref Price:
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Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
100000 m.t./month

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Specification

Standard:
AISI,JIS,GB,BS,DIN,API,EN,ASTM
Technique:
Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Saw,Extruded,EFW,Spring
Shape:
U Channel,Square,C Channel,Hexagonal,Round,Rectangular,Oval,LTZ
Surface Treatment:
Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,Black,PVDF Coated
Steel Grade:
Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series,600 Series,SS400-SS490,10#,20#,A53(A,B)
Certification:
ISO,SGS,CE
Thickness:
as required
Length:
as required
Net Weight:
as required

AISI A8 / 5Cr5WMoVSi Special Tool Steel Round Bar  


Chemical Composition(%)       

 CSi Mn P S Cr Mo
  0.5-0.60.75-1.10 0.2-0.50 ≤0.03  ≤0.03 4.75-5.5   1.15-1.65
Specialty       

Special alloy steel, engineering steel supplied in quenched and 

tempered conditions. Very good machinability.High toughness. 

High creep strength. Repeated impact resistant capability.

Use





Components with high requirements on toughness, 

e.g.gear wheels, pinions, connecting rods, 

parts for mechanical engineering.

Heat Treatment       
Annealed to max. 241 HB
Melting Process 
1. EAF: Electric Furnace+LF+VD(Optional)
2. ESR:  Electric Furnace+LF+VD+Eleroslag Remelted(Optional)
UT Class
According to Standard of SEP 1921/84,100% Volume, Level C/c, D/d or E/e
Tolerance on Quantity
+/-10% Per Size


Forged Alloy Tool Steel Round Bar A8Forged Alloy Tool Steel Round Bar A8

Forged Alloy Tool Steel Round Bar A8Forged Alloy Tool Steel Round Bar A8

Q: Can steel round bars be used for making pipelines?
Pipelines can indeed be constructed using steel round bars. Steel is commonly utilized in pipeline construction because of its robustness, longevity, and ability to resist corrosion. Cylindrical in shape, round bars are easily manufactured and can be joined together through welding to create pipelines of different sizes and lengths. The steel round bars employed for pipelines typically consist of carbon or alloy steel, both of which possess substantial tensile strength and can endure high pressure and temperature conditions. Moreover, protective coatings like epoxy or polyethylene can be applied to steel round bars to heighten their resistance to corrosion. As a whole, steel round bars offer a dependable and efficient choice for building pipelines across various industries, including oil and gas, water supply, and construction.
Q: Can steel round bars be used in the aerospace manufacturing industry?
Yes, steel round bars can be used in the aerospace manufacturing industry. Steel is a commonly used material in aerospace applications due to its strength, durability, and resistance to high temperatures. Steel round bars are often used in the construction of aircraft frames, landing gears, and engine components.
Q: Can steel round bars be used in the manufacturing of lighting fixtures?
Lighting fixtures can indeed be manufactured using steel round bars. Steel, being a flexible and long-lasting material, can offer both structural support and aesthetic appeal to lighting fixtures. By molding steel round bars into different shapes and sizes, various components of lighting fixtures can be created, including frames, bases, and decorative elements. Moreover, steel can be easily manipulated through processes like welding, bending, or machining, allowing it to meet specific design requirements. Another noteworthy aspect is that steel demonstrates excellent resistance to corrosion, ensuring that lighting fixtures made from steel round bars can endure challenging environments and have a prolonged lifespan. In conclusion, the strength, adaptability, and ability to enhance the overall design aesthetic make steel round bars a popular choice in the production of lighting fixtures.
Q: What are the different types of steel round bar alloys?
Some of the different types of steel round bar alloys include carbon steel, alloy steel, stainless steel, tool steel, and high-speed steel.
Q: Can steel round bars be anodized?
No, steel round bars cannot be anodized because anodizing is a process that is specifically designed for aluminum and its alloys. Anodizing involves creating an oxide layer on the surface of the metal, which provides enhanced corrosion resistance and can also be used for decorative purposes. Steel, on the other hand, does not form a stable oxide layer like aluminum, and therefore cannot be anodized in the same way. However, there are other surface treatment options available for steel, such as galvanizing or powder coating, which can provide similar benefits.
Q: What are the properties of steel round bars?
Steel round bars have several properties that make them highly desirable for a wide range of applications. Firstly, they possess exceptional strength and durability, making them suitable for load-bearing structures and heavy-duty machinery. Additionally, steel round bars exhibit excellent corrosion resistance, allowing them to withstand harsh environmental conditions without compromising their integrity. They also have a high melting point and can withstand extreme temperatures, making them ideal for applications that involve heat or fire. Furthermore, steel round bars can be easily machined, welded, and fabricated, providing flexibility in design and construction processes. Lastly, they offer good dimensional stability and precise tolerances, ensuring consistent performance and reliability in various industrial and construction settings.
Q: Can steel round bars be used for making rebar?
No, steel round bars cannot be used for making rebar. Rebar, or reinforcing bar, is specifically designed and manufactured with deformations or ribs on its surface to enhance the bond with concrete. These deformations provide better grip and prevent slippage between the rebar and concrete, thus improving the structural integrity of a reinforced concrete structure. On the other hand, steel round bars have a smooth surface and lack the necessary deformations, making them unsuitable for rebar applications. It is important to use rebar that meets the required standards and specifications to ensure the safety and durability of the concrete structure.
Q: What are the common sizes and dimensions of steel round bars?
Steel round bars come in a variety of sizes and dimensions to cater to different applications and requirements. The most common sizes and dimensions of steel round bars include diameters ranging from 1/4 inch to 24 inches. These diameters correspond to the nominal size of the round bar, which represents the approximate measurement of the bar's cross-sectional diameter. In terms of dimensions, steel round bars are typically available in standard lengths of 20 feet or 6 meters. However, custom lengths can be produced upon request. The length of the round bar is crucial as it determines the amount of material available for cutting, shaping, and fabrication. Additionally, the weight of steel round bars can vary depending on their size. Steel is typically measured by its weight per unit length, commonly expressed in pounds per foot or kilograms per meter. The weight of a steel round bar is influenced by the diameter, length, and specific type of steel used. It is worth noting that the sizes and dimensions mentioned above are standard in the industry, but there may be variations depending on the specific manufacturer or supplier. Therefore, it is always advisable to consult the manufacturer's catalog or contact them directly to obtain accurate and up-to-date information on the sizes and dimensions of steel round bars they offer.
Q: What are the advantages of using vanadium-alloy steel round bars?
Vanadium-alloy steel round bars offer numerous benefits. Firstly, they possess significantly enhanced strength and toughness compared to regular steel, making them ideal for applications requiring durability and high strength, such as construction, manufacturing, and engineering projects. The inclusion of vanadium improves the steel's ability to withstand heavy loads, impacts, and extreme temperatures, enabling it to thrive in demanding environments. Secondly, vanadium-alloy steel round bars display exceptional resistance to corrosion. The vanadium creates a protective oxide layer on the steel's surface, preventing rusting and corrosion. Consequently, these bars have impressive longevity, even in harsh or corrosive surroundings. Moreover, vanadium-alloy steel exhibits excellent weldability and machinability. It can be effortlessly welded, facilitating efficient fabrication and construction processes. Additionally, its machinability allows for precise shaping and forming, making it adaptable to various design requirements. Furthermore, vanadium-alloy steel excels in wear resistance. This quality is particularly advantageous in applications where the bars face high levels of friction, abrasion, or wear, such as mining or manufacturing equipment. The addition of vanadium enhances the steel's hardness and wear resistance, thereby extending the lifespan of the bars and reducing maintenance costs. Lastly, vanadium-alloy steel demonstrates exceptional heat resistance. It can endure high temperatures without compromising its strength or structural integrity. Consequently, it is suitable for applications involving exposure to extreme heat, such as automotive engines, turbines, or power generation equipment. In conclusion, the utilization of vanadium-alloy steel round bars provides a range of advantages, including increased strength and toughness, corrosion resistance, ease of welding and machining, impressive wear resistance, and high heat resistance. These qualities establish vanadium-alloy steel round bars as a dependable and versatile choice for various applications.
Q: What is the difference between hot rolled and cold rolled steel round bars?
The main difference between hot rolled and cold rolled steel round bars lies in the process of production. Hot rolled steel round bars are formed by heating the steel above its recrystallization temperature and then rolling it into the desired shape. This process makes the steel more malleable and ductile, resulting in a rougher surface finish. On the other hand, cold rolled steel round bars are formed by rolling the steel at room temperature. This process produces a smoother surface finish and tighter dimensional tolerances, but it also makes the steel less malleable. Overall, the choice between hot rolled and cold rolled steel round bars depends on the specific application and desired characteristics of the end product.

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