Steel Round Bar/High Alloy Round Tool Steel Bar/M2/M25M42/D2
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 44 m.t.
- Supply Capability:
- 2000000 m.t./month
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Description of steel round bar:
Characteristic:Tungsten-molybdenum high speed steel developed by China,high performance in toughness ,hardness, high temperature hardness.
Festures of steel round bar:
Anneal temperature: 840-860
Relief annealing temperature: 720-760
Hardening temperature: 1210-1230
Specifications of steel round bar:
The highest temperature is 427 degrees Celsius.it has good strength,and high quenching property ,the toughness is good and small deformation during quenching.At high temperature, there are high creep strength and endurance strength.It is used in the manufacture of a higher strength and higher quenching and tempering section of the 35CrMo steel, like big locomotive traction gears, supercharger drive gear, rear axle, the connecting rod and the spring load greatly clip.
| C | Si | Mn | W | Mo | Cr | V | P | S |
| 0.80-0.90 | 0.20-0.45 | 0.15-0.40 | 5.50-6.75 | 4.50-5.50 | 3.80-4.40 | 1.75-2.20 | ≤0.030 | ≤0.030 |
Images of steel round bar:
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.
- Q:Can steel round bars be used in the manufacturing of conveyor systems?
- Indeed, for the manufacturing of conveyor systems, steel round bars can serve as a viable option. Possessing remarkable strength and durability, steel proves itself capable of enduring immense loads and offering stability and support to conveyor systems. Within these systems, steel round bars can function as either rollers or shafts, effectively aiding the movement of materials or products along the conveyor belt. The round bars' sleek surfaces enable smooth rotation and minimize friction, guaranteeing the seamless operation of the conveyor system. Moreover, steel round bars can be readily tailored to meet specific requirements of the conveyor system, rendering them versatile and suitable for a myriad of industrial applications.
- Q:How do you determine the strength and hardness of a steel round bar?
- To assess the strength and hardness of a steel round bar, a variety of tests and techniques can be utilized. The tensile strength test is a frequently employed method. During this test, an increasing load is applied to a sample of the steel round bar until it reaches its breaking point. The maximum load it can endure before breaking is recorded, providing an indication of the bar's strength. Another essential measure of steel round bar quality is hardness testing. The Rockwell hardness test is commonly used, involving the pressing of a diamond or tungsten carbide ball into the bar's surface with a specific load. The depth of the resulting indentation is measured, and the hardness value is determined according to a standardized scale. Additionally, the Brinell hardness test can be employed, which entails pressing a hardened steel ball into the round bar's surface with a specific load. The diameter of the resulting indentation is measured, allowing for the calculation of hardness based on the applied load and indentation size. Furthermore, non-destructive techniques such as ultrasonic testing and magnetic particle inspection can offer insight into the steel round bar's internal structure, defects, and cracks, indirectly indicating its strength and hardness. It is crucial to acknowledge that various factors, including steel composition, heat treatment, and manufacturing processes, can influence the strength and hardness of a round bar. Therefore, consulting relevant standards and specifications that define the expected properties for the specific type of steel round bar being tested is advisable.
- Q:What are the advantages of using nickel-chromium-aluminum alloy steel round bars?
- There are several advantages of using nickel-chromium-aluminum alloy steel round bars. Firstly, this alloy steel offers excellent corrosion resistance, making it ideal for applications in harsh environments or industries where corrosion is a concern. This resistance to corrosion helps extend the lifespan of the round bars, reducing maintenance and replacement costs. Secondly, nickel-chromium-aluminum alloy steel round bars have high strength and durability. This makes them suitable for applications that require heavy loads or need to withstand high temperatures. Their strength also allows for increased structural stability, making them a reliable choice for various construction projects or industrial applications. Additionally, this alloy steel has excellent thermal stability, meaning it can maintain its shape and mechanical properties even at elevated temperatures. This makes it particularly useful in industries such as aerospace, automotive, and power generation, where high temperatures are common. Moreover, nickel-chromium-aluminum alloy steel round bars exhibit good formability and machinability, allowing for easy fabrication and customization. This makes them versatile and adaptable for various manufacturing processes, enabling the production of complex shapes and designs. Lastly, this alloy steel is known for its resistance to oxidation and scaling at high temperatures. This characteristic makes it suitable for applications that involve exposure to extreme heat or rapid temperature changes, such as in furnaces or heat exchangers. In summary, the advantages of using nickel-chromium-aluminum alloy steel round bars include excellent corrosion resistance, high strength and durability, thermal stability, formability, and resistance to oxidation. These qualities make it a preferred choice for a wide range of industries, ensuring reliable performance and longevity in various applications.
- Q:What is the fatigue strength of a steel round bar?
- The fatigue strength of a steel round bar denotes its capacity to endure repeated or cyclic loading without failure. It gauges the bar's resistance to fatigue or fatigue-induced failure. Various factors, including material composition, manufacturing process, surface finish, and geometry of the bar, influence the fatigue strength of a steel round bar. To ascertain the fatigue strength, standardized fatigue tests are typically performed. These tests replicate real-world conditions by subjecting the bar to repeated loading cycles. A specific stress amplitude or stress range is applied to the bar, and the number of cycles needed to cause failure is recorded. The fatigue strength of a steel round bar is commonly expressed as the stress level or stress range at which failure occurs after a specific number of cycles, such as 10^6 cycles or 10^7 cycles. This value is often referred to as the fatigue limit or endurance limit. Steel round bars generally possess high fatigue strength compared to other materials, and the measurement is typically in terms of stress, either in megapascals (MPa) or pounds per square inch (psi). It is crucial to note that the fatigue strength of a steel round bar can fluctuate based on variables like surface defects, residual stresses, temperature, and environmental conditions. Hence, considering these factors is imperative when determining the fatigue strength of a particular steel round bar for a given application.
- Q:What are the different types of steel used in round bars?
- Round bars are produced using various types of steel. The most common options are as follows: 1. Carbon Steel: This basic steel variant contains a low carbon content (typically less than 1%) and is recognized for its robustness and durability. Carbon steel is often utilized in construction and structural projects. 2. Alloy Steel: By introducing elements like manganese, chromium, or nickel to carbon steel, alloy steel is created. These additives enhance the steel's strength, hardness, and ability to resist corrosion. Machinery and automotive components frequently employ alloy steel round bars. 3. Stainless Steel: Stainless steel is composed of at least 10.5% chromium by mass. This high chromium content grants stainless steel its distinctive properties, including corrosion resistance and a shiny appearance. Stainless steel round bars find wide applications in the food industry, construction, and in environments requiring high corrosion resistance. 4. Tool Steel: Designed to endure high temperatures and resist wear and tear, tool steel is a specialized steel type. It is commonly employed in the production of tools, dies, and in settings necessitating exceptional strength and hardness. 5. Duplex Stainless Steel: This stainless steel variant combines austenite and ferrite phases in its microstructure. As a result, it possesses superior strength and corrosion resistance compared to regular stainless steel. Duplex stainless steel round bars are frequently utilized in marine and chemical industries. In summary, the selection of steel for round bars is contingent upon specific requirements such as strength, corrosion resistance, and temperature resistance, depending on the intended application.
- Q:What are the different types of steel round bar shapes?
- There are several different types of steel round bar shapes available, each with its own unique characteristics and applications. Some common types include: 1. Round: This is the most basic and widely used shape for steel round bars. It is cylindrical in shape and is used in a variety of industries, including construction, manufacturing, and automotive. 2. Square: Square steel round bars have four equal sides and are often used in applications where a strong, sturdy shape is required. They are commonly used in construction, architectural designs, and machinery. 3. Hexagonal: Hexagonal steel round bars have six sides, giving them a unique shape. They are often used in applications where high strength and resistance to corrosion are required. Hexagonal bars are commonly used in industries such as aerospace, defense, and oil and gas. 4. Flat: Flat steel round bars have a rectangular cross-section with a flat top and bottom surface. They are often used in applications where a wide, flat surface is required, such as construction, machinery, and manufacturing. 5. Half Round: Half-round steel round bars have a semicircular shape with a flat bottom surface. They are commonly used in applications such as handrails, fencing, and decorative purposes. 6. D-shaped: D-shaped steel round bars have a flat bottom surface and a curved top surface, resembling the letter "D". They are often used in applications where a strong, yet lightweight shape is required, such as automotive frames and chassis. These are just a few examples of the different types of steel round bar shapes available. The choice of shape depends on the specific requirements of the application, including strength, durability, corrosion resistance, and aesthetic appeal.
- Q:Can steel round bars be used in food processing applications?
- Using steel round bars in food processing applications is not advisable. These bars are usually crafted from carbon steel, which may contain impurities and fail to meet the required food safety standards. When working with food, it is crucial to utilize materials that are explicitly designed and sanctioned for food contact, like stainless steel. Stainless steel boasts superior resistance to corrosion, ease of cleaning, and non-reactivity with food, preserving its original flavor. Hence, to guarantee the safety and integrity of processed food, it is recommended to employ stainless steel round bars or other food-grade materials in food processing applications.
- Q:How do steel round bars compare to titanium round bars?
- Steel round bars and titanium round bars have different properties and characteristics that make them suitable for different applications. Here is a comparison between the two: 1. Strength: Titanium round bars have a higher strength-to-weight ratio than steel round bars. This means that titanium can withstand higher loads and stresses while being lighter in weight compared to steel. However, steel round bars are generally stronger and more rigid than titanium, making them suitable for heavy-duty applications that require high strength. 2. Corrosion Resistance: Titanium round bars are highly resistant to corrosion, even in harsh environments such as saltwater. Steel, on the other hand, is susceptible to corrosion and requires additional protective measures (such as coatings or galvanization) to prevent rusting. Therefore, titanium round bars are preferred in applications where corrosion resistance is essential. 3. Density: Titanium round bars have a lower density compared to steel round bars. This low density makes titanium ideal for applications where weight reduction is crucial, such as aerospace and automotive industries. Steel round bars, with their higher density, are typically used in applications where weight is less of a concern. 4. Temperature Resistance: Titanium round bars have excellent heat resistance, retaining their mechanical properties at high temperatures. Steel round bars, however, can lose their strength and become brittle when exposed to high temperatures. Therefore, titanium round bars are suitable for applications that require elevated temperature resistance. 5. Cost: Steel round bars are generally more affordable than titanium round bars. Titanium is an expensive metal due to its scarcity and complex extraction process. The cost difference between the two materials can be significant, making steel round bars more favorable for budget-conscious projects. In conclusion, the choice between steel round bars and titanium round bars depends on the specific requirements of the application. Steel is preferred for its superior strength and affordability, while titanium offers advantages such as high strength-to-weight ratio, corrosion resistance, temperature resistance, and lower density.
- Q:Can steel round bars be used for making hydraulic systems?
- Making hydraulic systems is indeed possible using steel round bars. Steel, being a strong and durable material, can withstand extreme conditions and high pressure, making it suitable for hydraulic applications. Various components like cylinders, pistons, and shafts can be machined and shaped from steel round bars, which are essential parts of hydraulic systems. Moreover, steel has corrosion resistance, a crucial factor for hydraulic systems frequently in contact with fluids. Nevertheless, it is essential to ensure that the steel round bars used in hydraulic systems meet the necessary specifications and requirements like hardness, tensile strength, and dimensional accuracy, to guarantee optimal performance and reliability.
- Q:Are steel round bars suitable for use in the automotive industry?
- Yes, steel round bars are commonly used in the automotive industry due to their strength, durability, and versatility. They are used in various applications such as axle shafts, drive shafts, suspension components, and engine parts. The high tensile strength and resistance to wear make steel round bars ideal for handling heavy loads and enduring demanding conditions in vehicles.
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Steel Round Bar/High Alloy Round Tool Steel Bar/M2/M25M42/D2
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 44 m.t.
- Supply Capability:
- 2000000 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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