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 is the modulus of elasticity of a steel round bar?
- The modulus of elasticity of a steel round bar typically ranges from 190 to 210 gigapascals (GPa).
- 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: What are the advantages of using nickel-chromium-manganese alloy steel round bars?
- The advantages of using nickel-chromium-manganese alloy steel round bars include their excellent strength and durability, high resistance to corrosion and oxidation, good machinability, and the ability to withstand high temperatures and pressures. Additionally, this alloy offers good weldability and can be easily formed into various shapes and sizes, making it suitable for a wide range of applications in industries such as aerospace, automotive, and construction.
- Q: How do you prevent corrosion on steel round bars?
- To prevent corrosion on steel round bars, there are several effective methods that can be employed: 1. Coating: Applying a protective coating on the steel round bars is a common way to prevent corrosion. Coatings like paint or epoxy can act as a barrier between the steel and the external environment, preventing moisture and corrosive substances from coming into contact with the metal. 2. Galvanization: Galvanizing the steel round bars involves applying a layer of zinc on the surface. This zinc layer acts as a sacrificial anode, corroding in place of the steel if any damage occurs. This method is particularly effective in preventing corrosion in outdoor or marine environments. 3. Stainless steel: Using stainless steel round bars that contain a high percentage of chromium and nickel is another effective corrosion prevention method. The presence of these elements forms a passive, protective film on the surface of the steel, which acts as a barrier against corrosion. 4. Proper storage: Storing steel round bars in a dry and well-ventilated area can help prevent corrosion. Moisture, especially in humid environments, can accelerate the corrosion process. Therefore, it is crucial to keep the round bars away from direct contact with water or any other corrosive substances. 5. Regular maintenance: Regularly inspecting the steel round bars for signs of corrosion and promptly addressing any issues can prevent further damage. This may involve cleaning the bars using appropriate methods and applying protective coatings as necessary. By implementing these preventive measures, corrosion on steel round bars can be significantly reduced, ensuring their longevity and maintaining their structural integrity.
- Q: Can steel round bars be used in high temperature applications?
- High temperature applications can make use of steel round bars. Yet, the steel type and composition play a pivotal role in determining their appropriateness for such circumstances. Specific steel grades, like stainless steel or heat-resistant alloys, are purposefully crafted to endure high temperatures, upholding their strength and avoiding deformation. These steel round bars find applications in furnace components, boiler tubes, and heat exchangers, where they confront intense heat. To guarantee optimal performance and longevity, it is vital to carefully choose the suitable steel grade based on the application's specific temperature demands and conditions.
- Q: How do you prevent scaling of steel round bars during heat treatment?
- One way to prevent scaling of steel round bars during heat treatment is by using a protective atmosphere such as nitrogen or hydrogen gas. This atmosphere helps create a barrier between the steel surface and the oxygen in the air, preventing oxidation and scaling. Additionally, applying a coating or using a salt bath can also provide a protective layer on the steel surface, minimizing scaling during the heat treatment process.
- Q: What are the different mechanical properties of steel round bars?
- The different mechanical properties of steel round bars include tensile strength, yield strength, elongation, hardness, and impact resistance. Tensile strength refers to the maximum amount of stress a material can withstand before breaking. Yield strength is the stress at which a material begins to deform permanently. Elongation measures the amount of deformation a material can undergo before breaking. Hardness determines the material's resistance to indentation or scratching. Impact resistance is the ability of a material to absorb energy during sudden impacts without breaking.
- 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 round bars are commonly used in various aerospace applications such as structural components, landing gear, engine components, and fasteners. The high strength and durability of steel make it suitable for these critical aerospace applications. Additionally, steel round bars can be easily machined and formed into complex shapes, allowing for customization and precise engineering requirements in the aerospace industry. Furthermore, steel's resistance to corrosion and its ability to withstand extreme temperatures make it a reliable choice for aerospace manufacturing. Overall, steel round bars are a versatile and widely used material in the aerospace industry due to their strength, durability, machinability, and resistance to corrosion.
- Q: What are the different types of steel round bar surface finishes used in the aerospace industry?
- In the aerospace industry, various types of steel round bar surface finishes are employed to meet specific requirements and enhance the performance of components. Some of the common surface finishes used in the aerospace industry include: 1. Smooth Finish: This is the most basic surface finish, where the steel round bar is left with a smooth, untreated surface. It is often used when the component does not require any specific surface treatment or when further processing is needed. 2. Polished Finish: Polishing the steel round bar surface improves its aesthetic appeal and provides a high-quality, reflective surface. It can be used to enhance the appearance of aerospace components, especially those visible to passengers or in the cabin area. 3. Shot Peened Finish: Shot peening is a surface treatment process that involves bombarding the steel round bar with small metal particles or beads. This process creates compressive stresses on the surface, improving fatigue resistance and reducing the risk of stress corrosion cracking. 4. Anodized Finish: Anodizing is an electrochemical process that forms a protective oxide layer on the steel round bar's surface. This finish provides improved corrosion resistance and can be used to add color or improve paint adhesion for aerospace components. 5. Passivated Finish: Passivation involves treating the steel round bar surface with an acid solution to remove impurities and create a protective oxide layer. This finish enhances corrosion resistance, particularly in environments where exposure to moisture or chemicals is likely. 6. Zinc or Nickel Plated Finish: Plating the steel round bar with zinc or nickel can provide enhanced corrosion resistance, especially in harsh environments. These finishes are commonly used for aerospace components exposed to saltwater or acidic conditions. 7. Black Oxide Finish: Black oxide coating is a chemical conversion process that forms a black protective layer on the steel round bar. It offers increased corrosion resistance and can also provide an appealing black appearance to the component. 8. Chrome Plated Finish: Chrome plating involves depositing a thin layer of chromium onto the steel round bar's surface. This finish provides excellent wear resistance and can be used for aerospace components subjected to high friction or abrasion. These various types of steel round bar surface finishes in the aerospace industry serve different purposes, such as corrosion resistance, wear resistance, improved aesthetics, or fatigue resistance. The selection of the appropriate finish depends on the specific requirements and performance expectations of the aerospace component in question.
- Q: What is the typical yield strength of a steel round bar?
- The typical yield strength of a steel round bar can vary depending on the specific grade of steel used. However, for most common grades of steel, the yield strength typically falls within the range of 36,000 to 80,000 pounds per square inch (psi). It is important to note that this range is a general guideline, and there are exceptions and variations among different grades of steel. Additionally, factors such as the manufacturing process and any additional treatments or heat treatments applied to the steel can also impact its yield strength. Therefore, it is always advisable to consult the specific material specifications or consult with a metallurgical expert for accurate and precise information regarding the yield strength of a particular steel round bar.
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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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