Forged Alloy Tool Steel Round Bar A8
- Ref Price:
-
- 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(%) | ||||||
| C | Si | Mn | P | S | Cr | Mo |
| 0.5-0.6 | 0.75-1.10 | 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 | ||||||
- Q: What are the advantages of using zinc-alloy steel round bars?
- One of the advantages of using zinc-alloy steel round bars is their high corrosion resistance. The zinc coating acts as a protective barrier, preventing rust and corrosion, which makes these bars suitable for outdoor applications and environments with high humidity. Additionally, zinc-alloy steel round bars have excellent strength and durability, making them ideal for structural and load-bearing purposes. Furthermore, the zinc coating provides enhanced aesthetics, offering a polished and visually appealing finish. Overall, the advantages of using zinc-alloy steel round bars include corrosion resistance, strength, durability, and improved appearance.
- Q: What is the difference between hot working and cold working of steel round bars?
- Hot working and cold working are two different methods used to shape and manipulate steel round bars. Hot working refers to the process of shaping steel at elevated temperatures, typically above the recrystallization temperature of the steel. This allows for the material to be more malleable and easier to shape. Hot working processes include forging, rolling, and extrusion. One of the main advantages of hot working is that it allows for the material to be formed into complex shapes and sizes with minimal force or energy. It also helps to refine the grain structure of the steel, improving its mechanical properties such as strength and toughness. However, hot working can cause oxidation and scale formation on the surface of the steel, which may require additional surface treatments or cleaning. Cold working, on the other hand, involves shaping steel at room temperature or below its recrystallization temperature. Cold working processes include bending, drawing, and cold rolling. Unlike hot working, cold working does not require heating the steel, which can save energy and reduce production costs. It also produces a smoother surface finish and tighter tolerances compared to hot working. Cold working can increase the hardness and strength of the steel, making it suitable for applications that require higher mechanical properties. However, cold working can also make the steel more brittle and prone to cracking. In summary, the main difference between hot working and cold working of steel round bars is the temperature at which the shaping process takes place. Hot working is done at elevated temperatures, allowing for easier shaping and improved mechanical properties, while cold working is done at room temperature or below, resulting in tighter tolerances and increased hardness. The choice between hot working and cold working depends on the desired properties and characteristics of the final product.
- Q: Can steel round bars be used for making connecting rods?
- Yes, steel round bars can be used for making connecting rods. Connecting rods are vital components in internal combustion engines, and they require high strength and durability to withstand the forces and stresses involved in the engine's operation. Steel round bars, typically made from alloy steel, have excellent mechanical properties such as high tensile strength, hardness, and fatigue resistance, making them suitable for this application. Furthermore, steel round bars can be easily machined and shaped into the desired dimensions and specifications required for connecting rods. Therefore, using steel round bars is a common and reliable choice for manufacturing connecting rods in the automotive and other industries.
- Q: How do you check the quality of a steel round bar?
- To check the quality of a steel round bar, several factors need to be considered. Firstly, it is important to assess the bar's dimensions. This involves measuring its diameter, length, and straightness. Any deviation from the specified dimensions could indicate a lower quality bar. Next, the surface condition of the steel round bar should be inspected. It should be free from any visible defects, such as cracks, pits, or surface irregularities. Additionally, the bar's surface should be smooth and devoid of any significant roughness or burrs. Furthermore, the chemical composition of the steel round bar must be examined. This can be determined through spectroscopic analysis or other testing methods. The composition should meet the required standards and specifications, as any deviations can affect the bar's strength and durability. Another crucial aspect to consider is the mechanical properties of the steel round bar. This involves testing its tensile strength, yield strength, and elongation. These tests can be conducted using specialized machines to ensure that the bar meets the necessary strength requirements. Additionally, the steel round bar can be subjected to non-destructive testing methods, such as ultrasonic testing or magnetic particle inspection. These techniques help identify any internal or surface defects that may impact the bar's quality. Furthermore, it is essential to verify the bar's compliance with industry standards and certifications. This includes checking if the steel round bar meets the specifications set by organizations such as ASTM International or ISO. Lastly, it is advisable to consult with reputable suppliers or manufacturers who have a proven track record in producing high-quality steel round bars. They can provide documentation, certifications, and test reports to validate the quality of their products. In summary, evaluating the dimensions, surface condition, chemical composition, mechanical properties, compliance with standards, and supplier's reputation are key steps to check the quality of a steel round bar. By thoroughly examining these factors, one can ensure the reliability and performance of the steel round bar for their intended applications.
- Q: Can steel round bars be used in the production of medical equipment?
- Medical equipment can indeed utilize steel round bars. This is because steel is a widely employed material in the production of medical devices and equipment. Its strength, durability, and versatility make it a popular choice. By utilizing steel round bars, one can fashion various components of medical equipment, including surgical instruments, orthopedic implants, diagnostic tools, and hospital furniture. Steel possesses desirable properties, such as resistance to corrosion and the ability to be sterilized, rendering it suitable for use in the medical sector where hygiene and patient safety are paramount. Furthermore, steel round bars can be easily machined and fabricated into different shapes and sizes, allowing for the customization of medical equipment to fulfill specific requirements.
- Q: What are the different grades of stainless steel round bars?
- There are several grades of stainless steel round bars, with the most common ones being 304, 316, and 410. These grades differ in their chemical composition, strength, and corrosion resistance properties, making them suitable for various applications in different industries.
- Q: Can steel round bars be bent or formed into different shapes?
- Steel round bars have the capability to undergo bending or shaping into diverse forms. Steel possesses a remarkably malleable nature, signifying that it can be easily molded sans any fracturing or cracking. To achieve the bending or shaping of steel round bars, multiple techniques can be employed, including the application of heat to enhance pliability or the utilization of specialized tools like hydraulic benders or presses. The extent to which steel round bars can be bent or shaped is contingent upon factors such as steel thickness, composition, and the desired specific form or angle. In a broader sense, steel round bars provide a versatile choice for fabricating a wide array of shapes and structures that are indispensable in various industries, encompassing construction, automotive, and manufacturing.
- Q: Can steel round bars be used in the manufacturing of heat exchangers?
- Yes, steel round bars can be used in the manufacturing of heat exchangers. Steel is a commonly used material in heat exchanger construction due to its high strength and thermal conductivity. Steel round bars can be formed and welded into various shapes and sizes to create the necessary components of a heat exchanger, such as tubes, headers, and baffles. The steel material also provides durability and resistance to corrosion, making it suitable for use in various industrial applications where heat transfer is required.
- Q: What are the advantages of using nickel-molybdenum-chromium alloy steel round bars?
- Nickel-molybdenum-chromium alloy steel round bars offer several advantages. Firstly, they exhibit excellent corrosion resistance due to the addition of nickel and chromium. This enhances their ability to withstand oxidation and various corrosive environments, making them ideal for applications where exposure to moisture or chemicals is a concern. Secondly, the inclusion of molybdenum in the alloy strengthens and toughens it. This makes the nickel-molybdenum-chromium alloy steel round bars suitable for high-stress applications, such as in the construction of heavy machinery or structures that require durability and resistance to wear and tear. In addition, this alloy steel demonstrates exceptional heat resistance. It can endure high temperatures without compromising its structural integrity, making it suitable for applications involving extreme heat, such as in the aerospace or power generation industries. Furthermore, nickel-molybdenum-chromium alloy steel round bars possess good weldability, allowing for ease of fabrication and versatility in various manufacturing processes. This makes them a preferred choice for engineers and manufacturers who require a material that can be easily formed or joined to create complex shapes or structures. Lastly, the nickel content in this alloy steel provides excellent resistance to cracking and brittleness, ensuring long-lasting reliability. This guarantees that the round bars will maintain their strength and structural integrity over an extended period, minimizing the risk of failure or breakage in critical applications. Overall, nickel-molybdenum-chromium alloy steel round bars offer enhanced corrosion resistance, improved strength and toughness, excellent heat resistance, good weldability, and high reliability. These qualities make them a preferred choice for a wide range of applications in industries such as construction, manufacturing, and aerospace.
- Q: Are steel round bars susceptible to cracking?
- Cracking in steel round bars can occur under certain circumstances. Factors that contribute to cracking include high stress levels, improper heat treatment, and the presence of impurities or defects in the material. Cracking is also more likely with sudden temperature changes or excessive loading. It is worth noting that the susceptibility to cracking varies depending on the grade and composition of the steel. Low carbon or mild steel is generally less prone to cracking compared to higher carbon or alloy steels. To prevent cracking, it is crucial to handle and store steel round bars properly. This includes avoiding dropping or mishandling the bars and storing them in a dry, controlled environment to prevent corrosion. Proper heat treatment processes, such as annealing or tempering, can improve the structural integrity of steel round bars and reduce the risk of cracking. Regular inspections and testing for defects or impurities can help identify and address issues before they lead to cracking. In conclusion, while steel round bars can be susceptible to cracking, taking appropriate precautions and using proper manufacturing and handling techniques can minimize the risk and ensure the bars' integrity.
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Forged Alloy Tool Steel Round Bar A8
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 100000 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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