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
You Might Also Like
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: What are the different low-temperature grades of special steel?
- There are several low-temperature grades of special steel, including but not limited to: austenitic stainless steel, ferritic stainless steel, martensitic stainless steel, and duplex stainless steel. These grades are specifically designed to maintain their strength and toughness at low temperatures, making them suitable for applications in cryogenic environments.
- Q: Can special steel be used in the production of knives and blades?
- Yes, special steel can be used in the production of knives and blades. Special steels, such as high carbon stainless steel or Damascus steel, offer superior durability, sharpness, and corrosion resistance, making them ideal for producing high-quality knives and blades.
- Q: How does special steel perform in extreme environments?
- Special steel is specifically designed to perform exceptionally well in extreme environments. It has superior resistance to corrosion, high temperatures, and pressure, making it highly reliable and durable. This type of steel can withstand harsh conditions such as extreme cold, intense heat, and corrosive chemicals, ensuring optimal performance and longevity even in the most challenging environments.
- Q: How is nitrogen alloyed steel used in the production of high-strength bolts?
- Nitrogen alloyed steel is used in the production of high-strength bolts to enhance their mechanical properties and increase their strength. By adding nitrogen to the steel, it improves the hardness, toughness, and corrosion resistance of the bolts. This makes them suitable for applications that require high tensile strength and durability, such as in construction, automotive, and aerospace industries.
- Q: What is the impact of impurities on the machinability of special steel?
- The impact of impurities on the machinability of special steel can be significant. Impurities in the steel, such as sulfur, phosphorus, and non-metallic inclusions, can adversely affect the performance and machinability of the material. Sulfur is commonly present in steel as an impurity, and it tends to form brittle compounds that can reduce the machinability of the steel. High levels of sulfur can lead to increased tool wear, poor surface finish, and decreased cutting tool life. Therefore, it is essential to control the sulfur content in special steel to ensure good machinability. Phosphorus is another impurity that can have a negative impact on machinability. It tends to form hard and brittle compounds, which can cause tool chipping, breakage, and poor chip control. High levels of phosphorus can also lead to reduced cutting tool life and surface finish. Non-metallic inclusions, such as oxides, sulfides, and silicates, are also significant impurities in steel. These inclusions can act as stress concentrators, leading to increased tool wear and decreased machining quality. Large inclusions can cause tool breakage and interrupt the machining process. Therefore, minimizing the presence of non-metallic inclusions is crucial for improving the machinability of special steel. Overall, impurities in special steel can have a detrimental effect on its machinability. To ensure good machinability, it is important to control and minimize the levels of impurities like sulfur, phosphorus, and non-metallic inclusions. This can be achieved through careful selection of raw materials, refining processes, and quality control measures during the manufacturing of special steel.
- Q: Can special steel be used in the recycling industry?
- Yes, special steel can be used in the recycling industry. Special steel, also known as alloy steel, has specific properties that make it suitable for various applications. In the recycling industry, special steel can be recycled and processed to create new products, reducing the need for raw materials and conserving resources. Its durability, corrosion resistance, and high strength make it valuable in the recycling process, where it can be melted down and transformed into new steel products.
- Q: What are the specific requirements for special steel used in the railway sector?
- The specific requirements for special steel used in the railway sector are crucial for ensuring the safety, durability, and efficient operation of the railway infrastructure. Some of the key requirements include: 1. High strength: Special steel used in the railway sector must possess exceptional strength to withstand heavy loads, vibrations, and impacts. This is crucial for maintaining the structural integrity of tracks, bridges, and other components. 2. Wear resistance: Railway tracks and wheels experience significant wear due to continuous contact and friction. Special steel must have excellent wear resistance to minimize the need for frequent maintenance and replacement. 3. Fatigue resistance: The constant cyclic loading experienced by railway components demands high fatigue resistance in the steel. This allows them to withstand repetitive stress and prevents the occurrence of fatigue failures. 4. Corrosion resistance: Railway infrastructure is exposed to various environmental conditions, such as moisture, extreme temperatures, and chemicals. Special steel must possess good corrosion resistance to prevent rusting and degradation, ensuring a longer service life. 5. Heat resistance: In certain applications, such as rail joints and fasteners, special steel is subjected to high temperatures due to friction and stresses. The steel must have good heat resistance to maintain its mechanical properties under such conditions. 6. Weldability: Special steel used in the railway sector should have good weldability to enable efficient and reliable joining of components during manufacturing and maintenance processes. 7. Ductility and toughness: The steel must exhibit sufficient ductility and toughness to absorb energy and resist fracture in the event of a collision or impact, ensuring passenger safety. 8. Dimensional stability: Special steel used in the railway sector must maintain its dimensional stability under varying temperatures and loads to prevent deformation and ensure proper alignment of tracks and components. Meeting these specific requirements for special steel in the railway sector is essential for ensuring the safety, reliability, and longevity of railway infrastructure, contributing to the smooth operation of the entire transport network.
- Q: How does special steel contribute to the fatigue resistance of products?
- Special steel contributes to the fatigue resistance of products by providing enhanced strength, durability, and resistance to wear and tear. The unique composition and manufacturing processes of special steel result in improved mechanical properties, such as higher tensile strength and hardness, which help products withstand repeated loading and stress cycles without failure. Additionally, special steel can be engineered to have specific microstructures that enhance its resistance to fatigue, preventing the growth of cracks and ensuring longer product lifespan.
- Q: What are the different tooling grades of special steel?
- Special steel is a category of steel that has been designed and manufactured to possess specific characteristics or properties, making it well-suited for various industrial applications. Within special steel, there are different tooling grades available, each with its own unique composition and properties. These grades are specifically engineered to meet the demands of different tooling applications, ensuring optimal performance and durability. Some common tooling grades of special steel include: 1. High-Speed Steel (HSS): HSS is a type of tool steel that exhibits excellent hardness, wear resistance, and heat resistance, making it ideal for high-speed cutting tools such as drills, milling cutters, and taps. It retains its hardness even at elevated temperatures, enabling it to maintain cutting performance without losing its edge. 2. Hot Work Tool Steel: Hot work tool steel is designed to withstand high temperatures and thermal cycling encountered in applications such as hot forging, die casting, and extrusion. It possesses good toughness, high heat resistance, and excellent wear resistance, allowing it to retain its strength and shape even under extreme thermal conditions. 3. Cold Work Tool Steel: Cold work tool steel is primarily used for cutting and forming applications at lower temperatures. It exhibits a high level of hardness, toughness, and wear resistance, making it suitable for applications such as blanking, shearing, and cold forming. Cold work tool steel maintains its hardness even under compressive forces, ensuring long-lasting performance. 4. Plastic Mold Steel: Plastic mold steel is specifically designed for the production of plastic injection molds and related tooling. It possesses excellent machinability, high polishability, and good wear resistance, allowing it to withstand the demanding conditions encountered during plastic molding processes. Plastic mold steel ensures precise and high-quality molding performance. 5. Powder Metallurgy (PM) Steel: PM steel is a tooling grade that is manufactured using a powder metallurgy process. This method allows for the production of complex shapes, uniform microstructure, and improved properties. PM steels are commonly used in high-performance cutting tools, wear-resistant parts, and high-strength applications. These are just a few examples of the different tooling grades available in special steel. Each grade is carefully engineered to meet the specific requirements of various tooling applications, ensuring optimal performance, durability, and efficiency in different industrial sectors.
- Q: How does tungsten contribute to the properties of special steel?
- Tungsten is a critical element that contributes significantly to the properties of special steel. One of the major benefits of tungsten in steel is its ability to enhance strength and hardness. It forms a solid solution with iron, resulting in a fine-grained microstructure that increases the overall toughness and wear resistance of the steel. Additionally, tungsten helps to improve the high-temperature strength of special steel. It has a high melting point and maintains its strength even at elevated temperatures, making it ideal for applications that require resistance to heat and thermal stress. This characteristic allows special steel with tungsten to be used in environments with extreme temperatures, such as in gas turbines, rocket nozzles, and cutting tools. Tungsten also plays a crucial role in improving the corrosion resistance of special steel. It forms stable carbides that protect against corrosion and erosion, making the steel more durable and long-lasting. This is particularly valuable in industries where the steel is exposed to corrosive environments, such as chemical processing, marine applications, and oil and gas exploration. Furthermore, tungsten contributes to the machinability of special steel. It helps in reducing the built-up edge during cutting operations, resulting in improved surface finish and longer tool life. This characteristic is highly advantageous in industries that require precision machining, such as automotive, aerospace, and tool manufacturing. In summary, tungsten is a vital element in special steel as it enhances strength, hardness, high-temperature performance, corrosion resistance, and machinability. Its unique properties make it an indispensable component in the production of high-quality steel used in various industries.
Send your message to us
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
Similar products
Hot products
Hot Searches
Related keywords
