Alloy AISI 4140 Material Steel Round Bars
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 50000 m.t./month
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Specification
Type:
Alloy Steel
Shape:
Steel Round Bar
Alloy AISI 4140 Material Steel Round Bars
Product Description:
1.Dia:16-320mm
2.Length:4-12m(can be customized)
3.Proceesing :EAF+LF+VD
4.Inspection: Ultrasonic according to the test standards:SEP1921-84,GR.3 CLASS C/C
5. Packing situation: standard seaworthy packing or as customer required
6. Delivery time: 7 days for stock and 30 days for new production
7. Payment: T/T, or L/C at sight.
Chemical Composition:
Grade | C | Si | Mn | P | S | Cr | Mo |
42CrMo4 | 0.38-0.45 | 0.17-0.37 | 0.40-0.70 | ≤0.035 | ≤0.035 | 0.90-1.20 | 0.15-0.25 |
1.7225 | 0.38-0.45 | ≤0.40 | 0.60-0.90 | ≤0.025 | ≤0.035 | 0.90-1.20 | 0.15-0.30 |
4140 | 0.38-0.43 | 0.15-0.35 | 0.75-1.00 | ≤0.035 | ≤0.040 | 0.80-1.10 | 0.15-0.25 |
Aplication:
(1) Generally used for producing the important parts with high strength and good plastic.
(2) After nitrogen treatment, used for producing the important parts with special performance
requirements, such as shafts, gears, fasteners, bolt of large dia steamer etc.
Alloy steel bars are highly appreciated for its striking fetures such as resilient, fine finish, optimum tensile strength and corrosion resistant. We fabricate these products using optimum quality materials based on well versatile technology in complying with the quality standards. These products are widely used in various construction, automobiles and mechanical parts.
Product Show:
- Q: What are the different surface coating methods used for special steel?
- Special steel can be enhanced and protected from environmental factors using various surface coating methods. These methods include: 1. Galvanizing: Zinc is applied to the steel surface, offering exceptional corrosion resistance. This can be achieved through hot-dip galvanizing or electroplating. 2. Electroplating: A thin layer of metals like chromium, nickel, or copper is deposited onto the steel surface using an electrochemical process. This improves appearance, wear resistance, and corrosion resistance. 3. Powder coating: Dry powder is applied to the steel surface, heated, and fused to create a protective layer. This provides durability, weather resistance, and aesthetic appeal. 4. Thermal spray coating: A heated or molten material is sprayed onto the steel surface, solidifying into a protective coating. Materials like metals, ceramics, and polymers are commonly used. 5. Paint coating: Painting is a widely used method for surface coating. Epoxy, polyurethane, or acrylic paints can be applied to protect against corrosion, chemicals, and UV radiation. 6. PVD coating: A thin film of materials like titanium nitride or diamond-like carbon is deposited onto the steel surface through vacuum deposition. PVD coatings enhance hardness, wear resistance, and appearance. 7. Anodizing: Primarily used for aluminum, anodizing can also be applied to special steel. It involves creating an oxide layer through an electrochemical reaction, improving corrosion resistance and providing a decorative finish. These surface coating methods are crucial for special steel as they enhance protection against corrosion, wear, and environmental factors. This ultimately extends the steel's lifespan and improves its performance. The choice of coating method depends on the specific requirements and desired properties of the steel.
- Q: Can special steel be used in the manufacturing of tools?
- Yes, special steel can be used in the manufacturing of tools. Special steel, also known as alloy steel, is specifically designed to have enhanced properties such as high strength, hardness, and resistance to wear and corrosion. These characteristics make it an ideal material for the production of durable and high-performance tools used in various industries, including automotive, construction, and machinery.
- Q: What are the properties of alloy steel?
- Alloy steel is a type of steel that is made by combining iron with other elements, such as carbon, manganese, nickel, or chromium. It possesses unique properties that make it highly desirable for various applications. Some of the properties of alloy steel include high strength, excellent toughness, good corrosion resistance, and enhanced wear resistance. Additionally, alloy steel can be easily machined and welded, allowing for greater flexibility in its usage. The specific properties of alloy steel can vary depending on the particular elements added to it, leading to a wide range of alloys with different characteristics.
- Q: How is special steel used in the production of molds and dies?
- Special steel is used in the production of molds and dies due to its unique properties such as high hardness, wear resistance, and ability to withstand high temperatures. These characteristics make it suitable for shaping and forming various materials through processes like casting, forging, and stamping. Special steel molds and dies can be used in industries such as automotive, aerospace, and manufacturing to create precise and durable components or products.
- Q: How is special steel used in the production of surgical instruments?
- Special steel is used in the production of surgical instruments due to its unique properties such as corrosion resistance, high strength, and ability to maintain sharpness. This steel is specifically designed to meet the demanding requirements of surgical tools, ensuring durability and precision during procedures.
- Q: What are the different magnetic grades of special steel?
- Various applications commonly utilize different magnetic grades of special steel. Some well-known magnetic grades include: 1. Soft Magnetic Materials: These special steel grades possess high magnetic permeability and low coercivity. They are ideal for applications requiring strong magnetic induction, such as transformers, electric motors, and magnetic cores for electrical devices. 2. Martensitic Stainless Steels: In their hardened state, these special steel grades exhibit a high magnetic permeability. They are commonly employed in cutlery, tools, and specific automotive components. 3. Ferritic Stainless Steels: Although their magnetic permeability is lower compared to martensitic stainless steels, these special steel grades are still magnetic. They find application in automotive exhaust systems, decorative trim, and appliances. 4. Duplex Stainless Steels: These special steel grades have a mixed microstructure of austenite and ferrite, resulting in a magnetic response. They are renowned for their exceptional corrosion resistance and are utilized in chemical processing equipment and offshore oil and gas platforms, where both strength and corrosion resistance are crucial. 5. Austenitic Stainless Steels: In their annealed state, these special steel grades are non-magnetic. However, slight magnetism can be observed when they undergo cold working or contain specific alloying elements. Austenitic stainless steels are widely used in food processing equipment, architectural structures, and medical devices. It is important to remember that the presence or absence of magnetism in special steel grades can vary depending on factors such as composition, heat treatment, and processing. Therefore, it is essential to consider the specific requirements of an application when selecting the appropriate magnetic grade of special steel.
- Q: How does special steel perform under extreme temperatures?
- Special steel is designed to perform exceptionally well under extreme temperatures. It has high heat resistance, maintaining its strength and structural integrity even when exposed to extreme heat or cold. This makes it suitable for various applications, such as in aerospace, automotive, and power generation industries, where it can withstand the demanding conditions of extreme temperatures without compromising its performance.
- 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.
- Q: What are the different methods of surface electroplating for special steel?
- There are several methods of surface electroplating for special steel, including electroless plating, electroplating by immersion, barrel plating, and rack plating. Electroless plating is a chemical process that uses a reducing agent to deposit a layer of metal onto the steel surface. Electroplating by immersion involves immersing the steel in an electrolyte bath and applying an electric current to deposit a metal coating. Barrel plating is a method where the steel parts are placed in a rotating barrel along with the plating solution, creating a tumbling action that ensures an even coating. Rack plating involves suspending the steel parts on a rack and immersing them in the plating bath. Each method has its own advantages and is chosen based on the specific requirements and characteristics of the special steel being plated.
- Q: What are the future trends and innovations expected in special steel production?
- In the future, several trends and innovations are expected to shape the special steel production industry. Here are a few key areas where advancements are likely to occur: 1. Advanced Manufacturing Techniques: Special steel manufacturers are likely to adopt advanced manufacturing techniques such as additive manufacturing (3D printing) and digitalization. These technologies will facilitate the production of complex geometries, reduce waste, and enable customization of special steel products. 2. Sustainable Production: As environmental concerns continue to grow, there will be a focus on sustainable production methods in the special steel industry. This includes the adoption of energy-efficient processes, recycling and reusing materials, and minimizing the carbon footprint of steel production. 3. High-Strength and Lightweight Alloys: With the increasing demand for lightweight materials in various sectors like automotive and aerospace, special steel production is expected to focus on developing high-strength and lightweight alloys. These alloys will offer improved performance while reducing the weight of components, leading to fuel efficiency and enhanced sustainability. 4. Nanotechnology and Microstructural Engineering: Nanotechnology and microstructural engineering will play a significant role in enhancing the properties of special steels. By manipulating the material at the nanoscale, manufacturers can improve strength, toughness, corrosion resistance, and other characteristics. 5. Enhanced Surface Treatments: Advances in surface treatments, such as coatings, will contribute to the performance and longevity of special steel products. Innovative surface treatments will provide increased resistance to wear, corrosion, and heat, expanding the range of applications for special steels. 6. Digitalization and Data Analytics: The integration of digital technologies and data analytics will revolutionize special steel production. Smart factories with interconnected systems will enable real-time monitoring, predictive maintenance, and improved quality control, resulting in higher productivity and efficiency. 7. Automation and Robotics: Automation and robotics will continue to play a vital role in special steel production. Automated processes will optimize productivity, reduce human errors, and improve worker safety, thereby enhancing overall operational efficiency. 8. Industry 4.0 Integration: The special steel industry is expected to embrace Industry 4.0 principles, such as the Internet of Things (IoT) and artificial intelligence (AI). These technologies will enable seamless connectivity, intelligent decision-making, and predictive analysis, leading to improved productivity, cost-effectiveness, and competitiveness. Overall, the future of special steel production is likely to be driven by advancements in manufacturing techniques, sustainable practices, material engineering, digitalization, and automation. These innovations will not only enhance the performance and quality of special steel products but also contribute to a more sustainable and efficient industry.
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Alloy AISI 4140 Material Steel Round Bars
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 50000 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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