HSS Steel Round Bar Alloy Round Tool Steel BarD2/H13
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 555 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
Hardening medium: salt bath under 600,aslo use oil cooling or air cooling
Normal temper temperation: 540-560 RC Rockwell Hardness after hardening and temperature: 63-66
Production Capacity: 1000 Tons/Month
Tech:EAF+LF+VD+ESR
High strength at elevated temperatures
Specifications of steel round bar:
| 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.
3. What payment term do you accept?
Payment: T/T or L/C at sight.
- Q:How are steel round bars used in the construction of bridges and buildings?
- Due to their strength, durability, and versatility, steel round bars find wide usage in the construction of bridges and buildings. Typically made of carbon steel and possessing a circular cross-section, these bars are ideal for structural applications. In bridge construction, steel round bars are commonly employed to reinforce concrete structures. They are frequently embedded within concrete beams, columns, and slabs to enhance their load-bearing capacity and resist bending and shearing forces. Strategically placed in the concrete, these bars provide tensile strength to complement the compressive strength of the concrete. This reinforcement ensures that the bridge can endure heavy loads and traffic while maintaining its structural integrity. Similarly, in building construction, steel round bars play a crucial role in reinforcing concrete structures. They are commonly utilized in the construction of columns, beams, and foundations to increase their load-carrying capacity and prevent structural failure. During the pouring process, the bars are typically added to the concrete, forming a sturdy framework that enhances the building's strength and stability. Furthermore, steel round bars are utilized to create steel frames in building construction. These frames provide the skeletal structure of the building, supporting the weight of the floors, walls, and roofs. Due to their high strength-to-weight ratio, steel round bars are perfect for constructing lightweight yet robust frames that can withstand various loads, including wind and seismic forces. Additionally, steel round bars serve other purposes in construction, such as fabricating steel reinforcements, connectors, and fasteners. They can be welded, bolted, or threaded to join different structural elements, ensuring a secure and sturdy construction. Overall, steel round bars are an essential component in the construction of bridges and buildings, providing the necessary strength, durability, and flexibility to create structurally sound and long-lasting structures.
- Q:What are the different types of heat treatments applied to steel round bars?
- Steel round bars can undergo various heat treatments to enhance their mechanical properties and improve their performance in different applications. Some commonly used heat treatments include: 1. Annealing: Steel round bars are heated to a specific temperature and then slowly cooled. This process relieves internal stresses, improves ductility, and increases toughness. 2. Normalizing: Steel round bars are heated above the critical transformation point and then cooled in still air. Normalizing improves the structure and mechanical properties of the steel, making it more uniform and reducing residual stresses. 3. Quenching: Steel round bars are rapidly cooled by immersing them in a quenching medium like oil or water. This heat treatment transforms the austenite phase into martensite, increasing the hardness and strength of the steel. 4. Tempering: After quenching, the hardened steel round bars are reheated to a specific temperature and slowly cooled. Tempering reduces brittleness and improves toughness and ductility while maintaining an appropriate level of hardness. 5. Stress Relieving: This heat treatment is used to reduce residual stresses in the steel round bars that may have been introduced during previous manufacturing processes. The bars are heated to a temperature below the transformation point and slowly cooled. Stress relieving improves dimensional stability and reduces the risk of distortion or cracking. 6. Case Hardening: Carbon or nitrogen is introduced into the outer layer of the steel round bars, creating a hard and wear-resistant surface while maintaining a tough and ductile core. These examples illustrate the different heat treatments that can be applied to steel round bars. The choice of heat treatment depends on the desired mechanical properties and specific application requirements.
- Q:How do steel round bars compare to rubber round bars?
- Steel round bars and rubber round bars are distinct materials with contrasting properties and applications. Steel round bars, which are crafted from hardened carbon steel, are renowned for their robustness and resilience. With their high tensile strength, they can endure substantial loads and stress without distorting or fracturing. Construction, engineering, and manufacturing industries frequently employ steel round bars for structural support, reinforcement, and diverse mechanical purposes. Additionally, their exceptional resistance to heat and corrosion makes them suitable for extreme conditions. In contrast, rubber round bars, composed of synthetic or natural rubber compounds, possess exceptional advantages such as flexibility, elasticity, and vibration absorption properties. These attributes make them ideal for applications necessitating shock absorption, noise reduction, or effective sealing. Automotive industries, machinery mounts, conveyor systems, and various other industrial fields extensively employ rubber round bars to leverage their distinctive properties. While steel round bars excel in strength and rigidity, rubber round bars offer impressive flexibility and vibration dampening capabilities. The choice between steel and rubber round bars primarily hinges on the specific requisites of the application. When high strength and durability are necessary, steel round bars emerge as the optimal selection. Conversely, if flexibility, elasticity, or vibration absorption are prerequisites, rubber round bars prove more suitable. To summarize, steel round bars and rubber round bars exhibit contrasting properties and applications. Steel round bars grant strength and durability, whereas rubber round bars provide flexibility and vibration absorption properties. Opting for one over the other relies on the specific requirements of the application.
- Q:Can steel round bars be used in the power generation industry?
- Yes, steel round bars can be used in the power generation industry. Steel round bars are commonly used in the construction of power generation equipment and infrastructure due to their high strength and durability. They are often utilized in the fabrication of turbine shafts, generator rotors, gears, and other components that require high load carrying capacity and resistance to wear and fatigue. Additionally, steel round bars can be easily machined and welded, making them a versatile material for various applications within the power generation industry.
- Q:What is the mechanical properties of No. 40 round bar?
- 40# stands for steel grades, round bars for steel profiles, mechanical properties for steels, tensile strength, yield point, (cattle / mm, 2) elongation, shrinkage (%), impact energy, Ak (coke), state, hardness, HB<
- Q:What are the different types of steel round bar alloys used in the aerospace industry?
- In the aerospace industry, various steel round bar alloys are commonly used to meet the specific demands of different applications. These alloys have been specifically designed to meet the rigorous requirements of the aerospace sector, including the need for high strength, corrosion resistance, and lightweight properties. 1. Stainless Steel: Among the alloys used in aerospace applications, stainless steel stands out as one of the most popular choices. It possesses excellent corrosion resistance, high strength, and good heat resistance. Aircraft components like landing gear, fasteners, and engine parts often employ this alloy. 2. Titanium Alloy: Due to its exceptional strength-to-weight ratio, titanium alloys find widespread use in the aerospace industry. They offer excellent corrosion resistance, good fatigue strength, and can withstand high temperatures. Aircraft frames, engine components, and landing gear often utilize titanium alloys. 3. Aluminum Alloy: Aerospace applications benefit from the lightweight nature and excellent mechanical properties of aluminum alloys. These alloys possess good corrosion resistance and are commonly used in aircraft structures, wings, and fuselage components. 4. Nickel Alloy: Known for their high strength and exceptional resistance to extreme temperatures, nickel alloys are frequently employed in aerospace applications. They are critical in environments requiring resistance to heat, wear, and corrosion, such as turbine engines and exhaust systems. 5. High-Strength Low-Alloy (HSLA) Steel: HSLA steels are renowned for their high strength and weldability. They offer good toughness and impact resistance, making them ideal for aerospace applications where durability and strength are essential, such as in landing gear and structural components. In summary, the aerospace industry employs a combination of these steel round bar alloys to cater to the specific requirements of different components and applications. Each alloy possesses unique properties that render it suitable for specific aerospace applications, ensuring the safety, reliability, and performance of aircraft in the demanding aerospace environment.
- Q:Are steel round bars suitable for use in the automotive industry?
- Yes, steel round bars are suitable for use in the automotive industry. Steel round bars offer several advantages that make them ideal for automotive applications. Firstly, steel round bars provide excellent strength and durability, which are crucial for automotive components that need to withstand high levels of stress and impact. The high tensile strength of steel ensures that these components can handle the demanding conditions of the automotive industry, such as heavy loads and harsh environments. Secondly, steel round bars have good machinability, allowing them to be easily shaped and fabricated into various automotive parts. This versatility is essential for creating components with complex geometries, such as crankshafts, axles, and suspension components. Furthermore, steel round bars offer superior dimensional stability, ensuring that automotive parts maintain their shape and performance over time. This is particularly important for critical components that need to meet precise specifications and tolerances. Additionally, steel round bars have excellent heat resistance, making them suitable for applications that involve high temperatures, such as engine components and exhaust systems. The thermal stability of steel ensures that these parts can operate efficiently and reliably under extreme heat conditions. Moreover, steel is readily available and cost-effective compared to other materials, making it an attractive choice for the automotive industry. The abundance of steel resources and the well-established manufacturing processes contribute to its affordability, making it a practical option for mass production. In conclusion, steel round bars are highly suitable for use in the automotive industry due to their strength, durability, machinability, dimensional stability, heat resistance, and cost-effectiveness. These qualities make steel round bars an excellent choice for various automotive components, contributing to the overall performance, safety, and longevity of vehicles.
- Q:What are the different types of steel round bars used in the automotive aftermarket?
- There are several different types of steel round bars commonly used in the automotive aftermarket. These include: 1. Carbon Steel Round Bars: Carbon steel is a commonly used material in the automotive industry due to its high strength and durability. It is often used in applications that require heavy-duty performance, such as suspension components, drive shafts, and steering linkages. 2. Alloy Steel Round Bars: Alloy steel is a type of steel that has been alloyed with other elements to enhance its mechanical properties. It is commonly used in the automotive aftermarket for applications that require high strength, such as crankshafts, camshafts, and axles. 3. Stainless Steel Round Bars: Stainless steel is known for its corrosion resistance and aesthetic appeal. It is often used in automotive aftermarket applications that require resistance to harsh environments, such as exhaust systems, trim components, and decorative elements. 4. Tool Steel Round Bars: Tool steel is a type of high-carbon steel that is specifically designed for tooling and machining applications. It is commonly used in the automotive aftermarket for manufacturing specialized tools, dies, and molds. 5. Bearing Steel Round Bars: Bearing steel is a type of high-carbon steel that is specifically designed for bearing applications. It is commonly used in the automotive aftermarket for manufacturing bearings and other rotating components. These are just a few examples of the different types of steel round bars used in the automotive aftermarket. The specific type of steel chosen for a particular application will depend on factors such as the required strength, durability, and corrosion resistance.
- Q:Are steel round bars suitable for the production of crankshafts?
- Indeed, steel round bars serve as a fitting choice for the fabrication of crankshafts. Due to their remarkable strength and durability, steel round bars find extensive use in the manufacturing process of crankshafts. The demanding conditions encountered by crankshafts during engine operation necessitate their ability to endure substantial stress and load. In this regard, steel round bars possess the essential mechanical properties to withstand such circumstances. The desired shape and dimensions required for crankshaft production can be achieved by either forging or machining steel round bars. Notably, steel showcases exceptional resistance to fatigue, a critical characteristic for crankshafts as they undergo cyclic loading. Consequently, steel round bars have garnered recognition as a suitable and universally embraced material for crankshaft production across diverse industries, including automotive and engineering.
- Q:What are the different types of steel round bar coatings used in the oil and gas industry?
- In the oil and gas industry, several types of steel round bar coatings are commonly used to enhance the durability and corrosion resistance of the bars. These coatings are essential for protecting the steel from the harsh environments encountered in oil and gas production, transportation, and refining processes. 1. Galvanized Coating: Galvanization involves applying a layer of zinc to the steel round bar. This coating provides excellent corrosion resistance and protects the steel from the effects of moisture, chemicals, and exposure to the elements. Galvanized coatings are commonly used in various applications in the oil and gas industry, especially in pipelines, offshore platforms, and storage tanks. 2. Fusion Bonded Epoxy (FBE) Coating: FBE coating is a thermosetting epoxy powder coating applied to the steel round bar using electrostatic spray. The coating is then heat-fused to form a strong, durable, and corrosion-resistant layer. FBE coatings are widely used in the oil and gas industry for pipelines, valves, and fittings, as they provide excellent protection against corrosion, abrasion, and chemicals. 3. Polyethylene (PE) Coating: PE coating involves applying a layer of polyethylene to the steel round bar through extrusion or wrapping methods. This coating is commonly used for pipelines in the oil and gas industry as it provides exceptional resistance to corrosion, chemicals, and impact. PE coatings are also known for their flexibility, allowing the coated bars to withstand ground movement and temperature variations. 4. Polypropylene (PP) Coating: PP coating is similar to PE coating, but it uses polypropylene instead. PP coatings offer similar benefits to PE coatings, including corrosion resistance, chemical resistance, and flexibility. They are often used in the oil and gas industry for pipelines, particularly in areas with higher temperatures or where chemical resistance is a priority. 5. Zinc-Nickel Coating: Zinc-nickel coatings involve electroplating a layer of zinc-nickel alloy onto the steel round bar. This coating provides excellent corrosion protection, even in harsh environments such as offshore installations or high-salinity areas. Zinc-nickel coatings are known for their superior resistance to both corrosion and abrasion, making them ideal for various oil and gas applications. Overall, these different types of steel round bar coatings play a crucial role in safeguarding the integrity and longevity of equipment and infrastructure in the oil and gas industry. They ensure that the steel bars can withstand the demanding conditions encountered in exploration, production, and transportation, reducing maintenance needs and enhancing safety and reliability.
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HSS Steel Round Bar Alloy Round Tool Steel BarD2/H13
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 555 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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