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 different surface treatments available for alloy steel round bars?
- Alloy steel round bars can be subjected to various surface treatments to meet specific requirements. Some commonly used treatments include: 1. Hot-dip galvanizing: Steel bars are immersed in molten zinc, creating a protective coating that prevents rust and corrosion. 2. Electrogalvanizing: Zinc is applied to the surface of the bars using an electric current, providing a layer of protection. 3. Nitriding: Steel bars are exposed to a nitrogen-rich environment at high temperatures, resulting in a durable, wear-resistant layer that enhances strength and durability. 4. Chrome plating: A thin layer of chromium is applied to the bars, offering excellent corrosion resistance and improving the bars' aesthetic appearance. 5. Powder coating: Dry powder is applied to the bars and then cured through heating, creating a durable finish that protects against corrosion, chemicals, and UV rays. 6. Polishing: The surface of the bars is mechanically smoothed and polished, enhancing visual appeal and improving corrosion resistance. These treatments are just a few examples of the many available options for alloy steel round bars. The choice of treatment depends on specific application requirements, such as desired appearance, corrosion resistance, and wear resistance.
- Q:Can steel round bars be heat treated?
- Yes, steel round bars can be heat treated. Heat treatment is a process that involves heating and cooling the steel in a controlled manner to alter its physical and mechanical properties. There are several types of heat treatment processes that can be applied to steel round bars, including annealing, normalizing, quenching, and tempering. Annealing is a heat treatment process that involves heating the steel to a specific temperature and holding it there for a certain period of time, followed by slow cooling. This process is used to soften the steel, improve its machinability, and reduce internal stresses. Normalizing is similar to annealing, but the cooling process is done in air. It is often used to refine the grain structure of the steel and improve its overall strength and toughness. Quenching is a rapid cooling process that involves immersing the steel round bars in a quenching medium, such as oil or water, to quickly cool it down. This process hardens the steel and increases its strength and hardness. However, it also makes the steel more brittle, so it is often followed by a tempering process to reduce brittleness and improve toughness. Tempering is a process that involves reheating the hardened steel to a specific temperature and holding it there for a certain period of time, followed by slow cooling. This process helps to reduce the hardness and brittleness caused by quenching, while still maintaining a desirable level of strength and toughness. Overall, heat treatment is a versatile process that can be applied to steel round bars to achieve a wide range of desired properties, such as hardness, strength, toughness, and machinability.
- Q:Are steel round bars suitable for marine environments?
- Yes, steel round bars can be suitable for marine environments, but it depends on the specific type of steel used and the conditions of the marine environment. Stainless steel is often the preferred choice for marine applications due to its excellent corrosion resistance properties. Stainless steel contains chromium, which forms a protective layer on the surface of the steel, preventing corrosion and rusting. However, not all steel round bars are suitable for marine environments. Carbon steel, for example, is more susceptible to corrosion in marine environments, especially in the presence of saltwater. Carbon steel should be carefully protected with coatings or treatments to prevent corrosion. Additionally, the conditions of the marine environment also play a significant role in determining the suitability of steel round bars. Factors such as the salinity of the water, exposure to chemicals, temperature variations, and physical stress can affect the corrosion resistance of steel. In highly corrosive marine environments, it is advisable to use specialized marine-grade stainless steel or other corrosion-resistant alloys. Ultimately, it is crucial to select the appropriate grade of steel and consider additional protective measures, such as coatings or galvanization, to enhance the durability and longevity of steel round bars in marine environments.
- Q:How do steel round bars perform under cyclic loading?
- Steel round bars generally perform well under cyclic loading due to their high strength and ductility. The ability of steel to withstand repeated loading and unloading without significant deformation or failure makes it suitable for applications where cyclic loading is present, such as in structural engineering, automotive components, and machinery. However, the performance of steel round bars under cyclic loading also depends on factors like the quality of the steel, design considerations, and the magnitude and frequency of the cyclic loading.
- Q:Can I use steel bar instead of steel bar?
- But there is a difference between steel reinforcement ratio can good toughness steel reinforced high strength reinforced surface than the thread in the engineering application of the surface force can he assisted according to what you want instead of general effect is no problem except in mechanical parts to replace.
- Q:What are the corrosion resistance properties of steel round bars?
- Steel round bars have excellent corrosion resistance properties due to the presence of alloying elements such as chromium, nickel, and molybdenum. These elements form a protective oxide layer on the surface of the steel, which prevents the underlying metal from coming into contact with corrosive substances. The chromium in steel round bars reacts with oxygen in the air to form a thin, invisible layer of chromium oxide. This layer acts as a barrier, protecting the steel from further oxidation and corrosion. Nickel and molybdenum enhance the corrosion resistance of steel by increasing its resistance to pitting, crevice corrosion, and chloride-induced stress corrosion cracking. In addition to alloying elements, the manufacturing process can also affect the corrosion resistance of steel round bars. For instance, stainless steel round bars are often passivated, which involves the removal of free iron and other contaminants from the surface. Passivation enhances the corrosion resistance of the steel by creating a clean and inert surface that is less prone to corrosion. Overall, steel round bars are known for their excellent corrosion resistance properties, making them suitable for a wide range of applications in various industries, including construction, marine, automotive, and aerospace.
- Q:Are steel round bars suitable for construction projects?
- Yes, steel round bars are suitable for construction projects. They are commonly used for structural purposes due to their strength, durability, and versatility. Steel round bars can be easily customized and fabricated to meet specific project requirements, making them an excellent choice for various construction applications such as reinforcement, support beams, and framework.
- Q:What are the different types of steel round bars used in the defense industry?
- There are several different types of steel round bars that are commonly used in the defense industry. These materials are specifically chosen for their strength, durability, and ability to withstand harsh conditions. Some of the most commonly used steel round bars in the defense industry include: 1. High-strength low-alloy (HSLA) steel round bars: These bars are known for their high strength-to-weight ratio, making them ideal for applications where weight reduction is important. HSLA steel round bars are often used in the construction of armored vehicles, tanks, and other military equipment. 2. Stainless steel round bars: Stainless steel is highly resistant to corrosion and rust, making it an excellent choice for defense applications where exposure to moisture or harsh environments is common. Stainless steel round bars are frequently used in the manufacturing of military aircraft, naval vessels, and firearms. 3. Carbon steel round bars: Carbon steel is a versatile and cost-effective material that is widely used in the defense industry. It offers excellent strength and hardness, making it suitable for various applications such as missile components, gun barrels, and armor plates. 4. Alloy steel round bars: Alloy steel is a combination of different metals, typically including chromium, molybdenum, and nickel, which enhances its mechanical properties. Alloy steel round bars are commonly utilized in the production of military-grade vehicles, artillery systems, and munitions. 5. Tool steel round bars: Tool steel is specifically designed to have exceptional hardness, wear resistance, and toughness. It is often used for manufacturing cutting tools, drills, and other equipment used in the defense industry. Each type of steel round bar has its own unique properties and advantages, allowing it to fulfill specific requirements in the defense sector. The selection of the appropriate steel round bar depends on the specific application and the desired performance characteristics needed to meet the demands of the defense industry.
- Q:Can steel round bars be bent or formed?
- Yes, steel round bars can be bent or formed. They have the ability to be shaped into various angles or curves through the application of force, typically using tools such as a hydraulic press or bending machine.
- Q:What are the different surface treatments available for carbon steel round bars?
- There are several different surface treatments available for carbon steel round bars, each serving a specific purpose and offering unique benefits. Some of the most common surface treatments for carbon steel round bars include: 1. Galvanizing: This treatment involves applying a layer of zinc to the surface of the carbon steel round bar. Galvanizing provides excellent corrosion resistance and can significantly extend the lifespan of the steel. 2. Black oxide coating: Also known as blackening, this treatment creates a dark, uniform finish on the surface of the carbon steel round bar. Black oxide coatings offer mild corrosion resistance and can also provide improved lubricity and a decorative appearance. 3. Chromium plating: This treatment involves depositing a layer of chromium onto the surface of the carbon steel round bar, typically through electroplating. Chromium plating enhances the corrosion resistance of the steel and can also provide improved wear resistance and a polished appearance. 4. Nitriding: Nitriding is a heat treatment process that diffuses nitrogen into the surface of the carbon steel round bar, forming a hard and wear-resistant layer. This treatment improves the hardness and fatigue strength of the steel, making it suitable for applications that require enhanced durability. 5. Phosphating: Phosphating is a chemical treatment that converts the surface of the carbon steel round bar into a layer of phosphate crystals. This treatment provides excellent corrosion resistance and also enhances the adhesion of coatings or paints applied to the steel. 6. Powder coating: Powder coating involves applying a dry powder to the surface of the carbon steel round bar and then curing it under heat to form a protective coating. Powder coatings offer excellent corrosion resistance, durability, and can be customized in various colors and finishes. These are just a few examples of the surface treatments available for carbon steel round bars. The choice of treatment depends on the specific requirements of the application, such as corrosion resistance, wear resistance, aesthetics, and cost-effectiveness.
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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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