AISI 4140 Steel, SAE 4140 Steel Round Bar
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 10000 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:
Alloy Steel
Shape:
Steel Round Bar
AISI 4140 Steel, SAE 4140 Steel Round Bar
Product Information:
| Size | ||||||||
| Round bar | Diameter(mm) | Length (mm) | ||||||
| 20~800 | 3000~9000 | |||||||
| Plate | Thickness(mm) | Width (mm) | Length (mm) | |||||
| Max:800 | Max:2200 | Max:9000 | ||||||
| The specification can be customized. | ||||||||
| Chemical Compositons | ||||||||
| Grade | C | Si | Mn | P | S | Cr | Mo | Ni |
| 42CrMo | 0.38~0.45 | 0.17~0.37 | 0.50~0.8 | ≤0.035 | ≤0.035 | 0.9~1.2 | 0.15-0.25 | ≤0.3 |
| 4140 | 0.40~0.45 | 0.15~0.35 | 0.75~1.0 | ≤0.035 | ≤0.040 | 0.8~1.1 | 0.15-0.25 | - |
| SCM44 | 0.38~0.43 | 0.15~0.35 | 0.60~0.9 | ≤0.030 | ≤0.030 | 0.9~1.2 | 0.15-0.30 | ≤0.25 |
| 1.7225 | 0.38~0.45 | ≤0.40 | 0.60~0.9 | ≤0.025 | ≤0.035 | 0.9~1.2 | 0.15-0.30 | |
Features of 4140 alloy steel
1, Chromium molybdenum alloy steel
2, Slightly higher carbon content then 4130
3, Greater strength and heat treatment
Typical Applications
1, Applications in the oil and gas sector
2, Connection rods, collets, conveyor pins,
3, Gears, stem assemblies,
4, Pump shafts and tool holders
Product Overviews:
| Product Name | Typical Grades | Diameter(mm) | Standard adopted |
| Carbon Steel | 20 (1020/S20C/C22) | Ø16-Ø300 | GB/SAE/JIS/DIN |
| 40 (1040/S40C/C40) | |||
| 45 (1045/S45C/C45) | |||
| Bearing Steel | GCr9 (51100/SUJ1) | Ø12-Ø250 | |
| GCr15 (52100/SUJ2/100Gr6) | |||
| GCr9SiMn (A485-Gr.1/SUJ3) | |||
| Cr-Mo Steel | 20Cr (5120/SCr420H/20Cr4) | Ø12-Ø250 | |
| 40Cr (5140/SCr440/41Cr4) | |||
| 42CrMo(4140/SCM440/42CrMo4) | |||
| Gear Steel | 20CrNiMo | Ø16-Ø600 | |
| 20CrMn(5115/SMnC420/20MnCr5) | |||
| 20CrNiMo(8620/SNCM220/20CrMiMo2) |
Product Show:
Our Advantages:
· Industry experience over 20 years.
· Shipment of goods -More than 70 countries worldwide.
· The most convenient transport and prompt delivery.
· Competitive price with best service.
· High technical production line with top quality products.
· High reputation based on best quality products.
With our experienced, enthusiastic and dynamic staffs, we assure to bring you the products with best quality, reasonable prices and good after-sales services under the motto: Friends First, Business After.
Communication, Experience, Expertise and Best efforts are our Promises to you.
- Q:How does special steel contribute to the aerospace noise reduction?
- Special steel contributes to aerospace noise reduction in several ways. Firstly, it is used in the construction of aircraft engine components such as fan blades and turbine discs. These components are subject to high temperatures and pressure, and special steel helps maintain their structural integrity, reducing vibration and noise. Secondly, special steel is also used in the manufacturing of aircraft fuselage and wings, where it helps dampen vibrations caused by aerodynamic forces, thus reducing noise. Additionally, special steel can be used in the production of sound-absorbing materials, which are used to line the interior of aircraft cabins, further reducing noise levels and improving passenger comfort. Overall, the use of special steel in various aerospace applications plays a crucial role in minimizing noise and improving the overall acoustic performance of aircraft.
- Q:What are the different casting grades of special steel?
- The different casting grades of special steel include low alloy steel, high alloy steel, stainless steel, tool steel, and heat-resistant steel.
- Q:What are the main advantages of using special steel in aerospace applications?
- The main advantages of using special steel in aerospace applications include its high strength-to-weight ratio, excellent corrosion resistance, and superior heat resistance. Special steel allows for the construction of lighter and more fuel-efficient aircraft, while still maintaining structural integrity under extreme conditions. Additionally, its resistance to corrosion and heat enables it to withstand the harsh environments and high temperatures experienced during flight.
- Q:What are the main alloying elements used in special steel?
- The main alloying elements used in special steel can vary depending on the specific type of special steel, but common alloying elements include chromium, nickel, molybdenum, vanadium, and tungsten. These elements are added to enhance the steel's properties such as corrosion resistance, strength, hardness, and heat resistance.
- Q:What are the applications of special steel in the marine sector?
- Special steel is extensively used in the marine sector due to its unique properties. It is used in various applications such as shipbuilding, offshore platforms, and marine equipment manufacturing. Special steel provides excellent corrosion resistance, high strength, and durability, making it ideal for marine environments that are highly corrosive and subject to extreme conditions. It is used for constructing hulls, propeller shafts, pipelines, and various components of ships and offshore structures. Additionally, special steel's ability to withstand impact and fatigue makes it suitable for marine applications where safety and reliability are crucial.
- Q:What are the challenges in heat treatment of special steel alloys?
- The heat treatment of special steel alloys poses several challenges due to their unique composition and properties. One of the main challenges is achieving the desired microstructure and mechanical properties while maintaining dimensional stability. Special steel alloys often have complex alloying elements and require specific heat treatment processes to achieve the desired properties. Another challenge is controlling the heating and cooling rates during the heat treatment process. Special steel alloys are often sensitive to rapid or uneven heating and cooling, which can result in distortion, cracking, or the formation of undesirable phases. Therefore, precise control of the heating and cooling rates is crucial to avoid these issues and ensure uniformity in the final product. Furthermore, the presence of alloying elements in special steel alloys can lead to increased hardenability, making it challenging to achieve the desired hardness throughout the entire component. Special attention needs to be given to the selection of appropriate heat treatment parameters, such as temperatures, soaking times, and quenching media, to achieve the desired hardness and avoid excessive hardness gradients. Additionally, special steel alloys are often prone to oxidation and decarburization during heat treatment due to their high alloy content and exposure to elevated temperatures. These reactions can lead to surface defects and a decrease in the carbon content, affecting the final properties of the alloy. Therefore, protective atmospheres or heat treatment environments must be carefully controlled to prevent such issues. Moreover, the size and geometry of components made from special steel alloys can pose challenges during heat treatment. Large or complex-shaped components require careful consideration of the heating and cooling methods to ensure uniformity of the microstructure and properties throughout the entire component. This may involve the use of specialized furnaces, fixtures, or heat treatment cycles to overcome these challenges. In conclusion, the challenges in heat treatment of special steel alloys include achieving the desired microstructure and mechanical properties, controlling heating and cooling rates, managing hardenability, preventing oxidation and decarburization, and addressing the size and geometry of components. Overcoming these challenges requires a deep understanding of the alloy's composition, properties, and the application of appropriate heat treatment techniques.
- Q:How does special steel perform in high-temperature creep resistance?
- Special steel has excellent performance in high-temperature creep resistance. It is specifically designed to withstand prolonged exposure to elevated temperatures without undergoing excessive deformation. This is achieved through the addition of alloying elements and a careful heat treatment process, which help to enhance the steel's strength, stability, and resistance to creep. Special steel's superior creep resistance makes it a reliable choice for applications that involve high temperatures and long-term stress, ensuring the structural integrity and durability of the material.
- Q:How is boron steel used in automotive safety applications?
- Boron steel is used in automotive safety applications due to its exceptional strength and ability to absorb impact energy. It is commonly utilized in the construction of car bodies and safety components such as side impact beams, roll cage reinforcements, and door intrusion beams. By incorporating boron steel, vehicles can better withstand and distribute crash forces, providing enhanced protection to occupants during collisions.
- Q:How is special steel used in the production of conveyor belts?
- To improve the durability, strength, and overall performance of conveyor belts, special steel is utilized during their production. Conveyor belts are commonly employed in industries like mining, manufacturing, food processing, and logistics for the transportation of materials and goods. These belts face various challenging conditions, including heavy loads, high temperatures, and abrasive materials. To ensure the longevity and reliability of conveyor belts, specific parts are constructed using special steel alloys such as stainless steel or heat-resistant steel. For instance, stainless steel is frequently used in wire mesh belts to prevent corrosion and rust, especially when the conveyor belt is exposed to moisture or chemicals. This safeguards the smooth and efficient movement of materials, preventing contamination. Moreover, special steel is incorporated in the manufacturing of belt fasteners, hinges, and other connecting components. These parts must endure substantial tension, heat, and wear, making standard steel inadequate in terms of strength and durability. Special steel alloys offer superior strength, high temperature resistance, and improved wear resistance, ensuring the reliable functioning of conveyor belts even under demanding conditions. Additionally, in applications where conveyor belts are subjected to extreme temperatures, such as steel mills or foundries, special heat-resistant steel is utilized. This type of steel can withstand intense heat without deformation or loss of strength, enabling the conveyor belt to operate safely and efficiently in such extreme environments. In conclusion, special steel plays a crucial role in enhancing the durability, strength, and ability of conveyor belts to withstand challenging conditions. Its utilization in wire mesh belts, fasteners, hinges, and heat-resistant components ensures the longevity and reliability of conveyor belts across diverse industries.
- Q:How does special steel contribute to the robotics industry?
- Special steel plays a crucial role in advancing the robotics industry in multiple ways. Firstly, special steel alloys possess exceptional mechanical properties, making them ideal for manufacturing various robotic components. These alloys can provide superior strength, durability, and resistance to wear and tear. As a result, robots built with special steel can operate efficiently and reliably in demanding environments, such as manufacturing plants or hazardous locations. Moreover, special steel alloys offer excellent heat resistance and thermal stability. This characteristic is particularly important in the robotics industry, as robots often generate significant heat during operations. Special steel components can withstand high temperatures without deforming or losing their structural integrity. This capability ensures that robots can operate at their optimal performance levels without the risk of mechanical failures caused by heat-related issues. Additionally, special steel's corrosion resistance is highly beneficial for the robotics industry. Robots are increasingly being deployed in diverse applications, including underwater exploration, chemical handling, and outdoor environments. In such cases, exposure to moisture, chemicals, or harsh weather conditions can lead to corrosion and degradation of robot parts. By utilizing special steel alloys, manufacturers can significantly extend the lifespan of robotic systems, reducing maintenance costs and enhancing their overall reliability. Furthermore, special steel's magnetic properties make it invaluable in the development of magnetic sensors and actuators used in robotics. These sensors enable robots to detect and interact with their surroundings, enhancing their autonomy and adaptability. Magnetic actuators, on the other hand, enable precise control and movement in robotic systems. Special steel's magnetic properties contribute to the efficiency, accuracy, and responsiveness of these components, enabling robots to execute complex tasks with precision. Overall, special steel plays an integral role in the robotics industry by providing the necessary materials for manufacturing robust, high-performance, and versatile robotic systems. From enhancing strength and durability to withstanding extreme conditions, special steel alloys contribute to the advancement of robotics by ensuring the reliability, efficiency, and functionality of these machines.
1. Manufacturer Overview |
|
|---|---|
| Location | |
| Year Established | |
| Annual Output Value | |
| Main Markets | |
| Company Certifications | |
2. Manufacturer Certificates |
|
|---|---|
| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period | |
3. Manufacturer Capability |
|
|---|---|
| a)Trade Capacity | |
| Nearest Port | |
| Export Percentage | |
| No.of Employees in Trade Department | |
| Language Spoken: | |
| b)Factory Information | |
| Factory Size: | |
| No. of Production Lines | |
| Contract Manufacturing | |
| Product Price Range | |
Send your message to us
AISI 4140 Steel, SAE 4140 Steel Round Bar
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 10000 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
