Alloy Steel 40Mn Round Bar CNBM 16MM-300MM
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 500000 m.t./month
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Specification
Type:
Gear Steel
Shape:
Steel Round Bar
Alloy round steel bar 40Mn
Product Description
1. Sizes: Diameter: 16mm-300mm; Length: 6m, 9m, 12m
2. Grade: 40Mn
3. Invoicing on theoretical weight or actual weight as customer’s request
4. Shape: Round bar, solid bar of steel with circular section
5. Technique: Hot rolled, forged, cold rolled
Specification:
Material | 40Mn | Round bar | Dia(mm) | 16-600 |
Process | EAF + LF + VD + Forged + Heat Treatment (optional) | Length (mm) | Max 12000 | |
Heat treatment | Normalized / Annealed / Quenched / tempered | Flat bar | Thickness(mm) | 8-500 |
Delivery condition | Hot forged +Rough machined (black surface after Q/T)+ Turned (optional) | Width(mm) | 70-200 | |
Test | Ultrasonic test according to SEP 1921-84 D/d | Length (mm) | Max 12000 |
Chemical Composition
C | Si | Mn | Cr | Ni | Cu |
0.5~0.8 | 0.17~0.37 | 0.25~1.2 | ≤0.25 | ≤0.30 | ≤0.25 |
Packing and Delivery:
Packing in bundle with steel strips and shipped by break bulk vessel or container (depend on target market and different ports)
Delivery Detail: Approx.45 days
Usage and Applications
1. Steel round bar is used in a large number of architectural and engineering structures. Or it can be used in construction of plants for the production of steel house frames, high-voltage transmission towers, bridges, vehicles, boilers, containers, ships, etc.
2. And we can use this kind of product on the performance of the mechanical parts if the demand is not very high.
3. Some especial material steel round bar can be used for main shaft of steamer, hummer shank, with big section and supper force.
Product Show
- Q: How does special steel contribute to the automotive suspension spring industry?
- Special steel plays a crucial role in the automotive suspension spring industry by providing enhanced performance and durability to the springs used in vehicles. Suspension springs are responsible for supporting the weight of the vehicle and absorbing road shocks, ensuring a comfortable and smooth ride for passengers. Special steel, also known as alloy steel, is specifically designed to possess exceptional mechanical properties, such as high strength, toughness, and resistance to wear and fatigue. These properties are essential for suspension springs, as they need to withstand the constant stresses and strains experienced during vehicle operation. The use of special steel in automotive suspension springs allows for the production of springs that are lighter in weight, yet stronger and more reliable compared to traditional steel springs. This results in improved fuel efficiency and reduced vehicle weight, contributing to lower emissions and a more sustainable automotive industry. Furthermore, special steel enables suspension springs to maintain their shape and performance over an extended period, even under extreme conditions. This ensures that the vehicle's suspension system remains effective, providing a comfortable and stable driving experience. In addition, special steel can be tailored to meet specific requirements of different vehicles, allowing for the customization of suspension springs based on factors such as vehicle weight, load capacity, and desired ride quality. This flexibility in material properties enhances the overall performance and safety of the suspension system. Overall, special steel plays a vital role in the automotive suspension spring industry by providing the necessary strength, durability, and performance characteristics required for a reliable and efficient suspension system. Its use contributes to the development of lighter, more fuel-efficient vehicles, while ensuring passenger comfort and safety.
- Q: How does special steel perform in cryogenic impact resistance?
- Special steel performs well in cryogenic impact resistance due to its high strength, toughness, and ability to retain these properties at extremely low temperatures. This makes it suitable for applications requiring exceptional resistance to fracture and deformation under cryogenic conditions.
- Q: How does special steel contribute to the energy aftermarket industry?
- Special steel plays a crucial role in the energy aftermarket industry by providing high-quality and durable materials that are essential for the production and maintenance of various energy equipment and infrastructure. Firstly, special steel is widely used in the manufacturing of turbine components such as blades, rotors, and casings. These components are vital in power generation, particularly in thermal, hydro, and wind energy systems. Special steel offers excellent strength, corrosion resistance, and high-temperature stability, ensuring the efficient and reliable operation of turbines in harsh environments. Moreover, special steel is essential for the construction and maintenance of oil and gas pipelines. These pipelines are responsible for transporting energy resources across vast distances, and they require materials that can withstand extreme pressures, temperatures, and corrosive environments. Special steel grades with enhanced mechanical properties and resistance to corrosion are employed to ensure the integrity and safety of these pipelines, contributing to the overall efficiency and reliability of the energy aftermarket industry. Furthermore, special steel is utilized in the production of storage tanks, heat exchangers, and various other components used in the oil, gas, and renewable energy sectors. These components are crucial for storing and processing energy resources, and they require materials that can withstand high pressures, temperature fluctuations, and aggressive chemicals. Special steel grades provide the necessary mechanical properties and corrosion resistance, allowing for safe and efficient energy storage and processing. In addition to its material properties, special steel also enables advanced manufacturing techniques such as precision machining and welding, which are essential for producing complex energy equipment and components. These techniques ensure high accuracy, reliability, and efficiency in the production process, resulting in high-quality end products that meet the demanding requirements of the energy aftermarket industry. Overall, special steel contributes significantly to the energy aftermarket industry by providing materials that offer exceptional strength, corrosion resistance, and high-temperature stability. Its use in the manufacturing and maintenance of energy equipment and infrastructure enhances efficiency, reliability, and safety, ultimately supporting the growth and sustainability of the industry.
- Q: What are the different methods for improving the fatigue strength of special steel?
- There are various ways to enhance the fatigue strength of special steel: 1. Heat treatment is a commonly used approach, involving processes like annealing, quenching, and tempering. These treatments refine the steel's microstructure, reduce impurities, and boost fatigue resistance. 2. Surface treatments, such as shot peening and nitriding, can also enhance fatigue strength. Shot peening bombards the steel surface with small metal particles, inducing compression stress that prevents crack formation and propagation. Nitriding diffuses nitrogen into the surface layer, creating a hard and wear-resistant nitride layer that improves fatigue resistance. 3. Alloying special steel with specific elements, like chromium, molybdenum, or vanadium, can significantly improve fatigue strength. These elements form carbides or nitrides, acting as barriers against crack propagation. 4. Applying protective surface coatings, like electroplating, hot-dip galvanizing, or physical vapor deposition (PVD), can enhance fatigue strength. These coatings act as barriers against environmental factors that may cause corrosion or surface damage, ultimately extending the steel's fatigue life. 5. Grain refinement can be achieved through processes like severe plastic deformation or equal channel angular pressing (ECAP). By refining the grain size, the steel's fatigue strength can be improved, as fine-grained steels have higher resistance to crack initiation and propagation. 6. Residual stress management plays a crucial role in enhancing fatigue strength. Techniques like stress relieving or shot peening can reduce tensile residual stresses, which are detrimental to fatigue resistance. It's important to consider specific requirements, the type of special steel, and the intended application when selecting the most suitable method for improving fatigue strength.
- Q: What are the common applications of special steel in the manufacturing industry?
- Special steel, also known as alloy steel, is widely used in the manufacturing industry due to its unique properties and superior performance in various applications. Some common applications of special steel in the manufacturing industry include: 1. Automotive Industry: Special steel is extensively used in the manufacturing of automobile components such as engine parts, gears, axles, and crankshafts. The high strength, durability, and resistance to wear and corrosion make special steel an ideal choice for these critical automotive applications. 2. Aerospace Industry: Special steel plays a vital role in the aerospace sector, where it is used for manufacturing aircraft components like landing gear, turbine blades, and structural parts. The high tensile strength, lightweight nature, and ability to withstand extreme temperatures make special steel indispensable for ensuring the safety and efficiency of aircraft operations. 3. Construction Industry: Special steel finds widespread use in the construction sector for manufacturing structural elements like beams, columns, and reinforcement bars. The superior strength, ductility, and resistance to external forces make special steel an essential material for ensuring the structural integrity and safety of buildings, bridges, and other infrastructure projects. 4. Oil and Gas Industry: Special steel is extensively utilized in the oil and gas industry for manufacturing pipelines, drill bits, valves, and other equipment. The high resistance to corrosion, pressure, and extreme temperatures make special steel suitable for handling the harsh operating conditions encountered in oil and gas exploration, extraction, and transportation. 5. Tool and Die Making: Special steel is commonly employed in tool and die making due to its excellent hardness, toughness, and wear resistance. It is used for manufacturing cutting tools, molds, dies, and punches required in various industries such as automotive, aerospace, and consumer goods manufacturing. 6. Medical Industry: Special steel finds applications in the manufacturing of surgical instruments, implants, and medical devices. The biocompatibility, corrosion resistance, and sterilizability of special steel make it an ideal material for ensuring the safety and effectiveness of medical tools and implants. These are just a few examples of the common applications of special steel in the manufacturing industry. The versatility, reliability, and performance of special steel make it a preferred material choice in numerous other sectors, contributing to the advancement and growth of various manufacturing processes.
- Q: Can special steel be used for nuclear power plant components?
- Yes, special steel can be used for nuclear power plant components. Special steel alloys such as stainless steel, low-alloy steels, and nickel-based alloys are commonly used in nuclear power plants due to their excellent mechanical properties, resistance to corrosion, and ability to withstand high temperatures and radiation. These materials are specifically designed to meet the stringent safety and performance requirements of nuclear power plant components, ensuring the integrity and reliability of the plant.
- Q: What are the common grades of special steel?
- The specific application and desired properties determine the varying common grades of special steel. Some frequently utilized grades are: 1. Stainless steel, an alloy resistant to corrosion containing a minimum of 10.5% chromium. Grades like 304, 316, and 410 possess exceptional corrosion resistance, high strength, and good formability, making them prevalent in various industries. 2. Tool steel, specifically designed for toolmaking, renowned for its high hardness, wear resistance, and toughness. Common grades such as D2, A2, O1, and S7 possess specific properties suitable for diverse applications. 3. High-speed steel (HSS), a type of tool steel retaining its hardness and cutting ability even at high temperatures. It frequently finds use in cutting tools like drills, end mills, and taps. M2, M35, and M42 are a few well-known HSS grades. 4. Alloy steel, made by incorporating different alloying elements to enhance specific properties. Grades like 4140, 4340, and 8620, known for their high strength, toughness, and wear resistance, are commonly utilized in industries such as automotive, aerospace, and machinery. 5. Spring steel, renowned for its ability to restore its original shape after bending or twisting. Grades like 1095 and 5160 are commonly employed in the manufacturing of springs, suspension components, and hand tools. These examples merely scratch the surface of the numerous available grades of special steel, each possessing unique properties and applications. It is vital to select the appropriate grade based on the specific requirements of the intended usage.
- Q: How does special steel contribute to the food processing industry?
- Special steel contributes to the food processing industry by providing critical equipment and tools that ensure hygiene, efficiency, and safety in food production. It is used to manufacture high-quality blades, knives, and cutting tools that enable precise and clean cuts, reducing the risk of contamination. Additionally, special steel is utilized in the construction of food processing machinery and equipment, such as mixers, grinders, and conveyors, ensuring durability and resistance to corrosion. Its exceptional strength and heat resistance also make it suitable for applications like food storage and transportation, maintaining the integrity and quality of the products throughout the supply chain. Overall, special steel plays a crucial role in enhancing productivity, maintaining food safety standards, and improving the overall quality of food processing operations.
- Q: Is special steel recyclable?
- Yes, special steel is recyclable.
- Q: What is the cost of special steel compared to regular steel?
- The cost of special steel is generally higher compared to regular steel due to its unique properties, composition, and production processes.
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Alloy Steel 40Mn Round Bar CNBM 16MM-300MM
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 500000 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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