SAE 4140 4150 4340 Alloy Steel Round Steel 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
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Specification
Type:
Alloy Steel
Shape:
Steel Round Bar
SAE 4140 4150 4340 Alloy Steel Round Steel Bar
Product Information:
1.Grade:SAE8620 SNCM220 805M20 4150 4140 4130 EN24 4340
2.Size: 12mm-300mm
3.Standard Performed: ASTM A29/A29M-04
4.Quality: AISI8620
Chemical Composition(%)
| Grade | C | Si | Mn | P | S | Cr | Ni | Mo |
| 8620 | 0.18-0.23 | 0.15-0.35 | 0.70-0.90 | Max 0.035 | Max 0.035 | 0.40-0.60 | 0.40-0.70 | 0.15-0.25 |
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:What are the main factors affecting the machinability of special steel?
- Several key factors influence the machinability of special steel, which refers to its ease of cutting, shaping, and forming. 1. The chemical composition of special steel plays a crucial role in its machinability. Elements like carbon, chromium, nickel, and molybdenum can significantly impact the material's hardness, toughness, and cutting properties. For instance, higher carbon content can increase steel's hardness, making it more difficult to machine. 2. The hardness of special steel is a critical factor in determining its machinability. Harder steels require more cutting force and generate more heat during machining, leading to increased tool wear and reduced efficiency. On the other hand, softer steels are generally easier to machine but may result in lower tool life. 3. The heat treatment process applied to special steel can greatly influence its machinability. Treatments like annealing, tempering, or quenching can alter the steel's microstructure and mechanical properties, affecting how it responds to cutting forces. Proper heat treatment can improve machinability by reducing hardness and increasing toughness. 4. The size and distribution of grains within the steel also impact its machinability. Fine-grained steel tends to have better machinability compared to coarse-grained steel, as smaller grains offer more uniform cutting conditions and reduce the risk of tool damage. 5. Machining parameters, including cutting speed and feed rate, directly affect the machinability of special steel. Higher cutting speeds can increase tool wear and generate excessive heat, affecting surface finish and dimensional accuracy. Similarly, incorrect feed rates can cause chip formation problems, resulting in poor machinability. 6. The choice of cutting tool material and geometry is crucial for achieving optimal machinability. Different tool materials, like carbide or high-speed steel, have varying wear resistance and cutting properties. The tool geometry, including rake angle and clearance angle, also affects chip formation, cutting forces, and heat generation. 7. Adequate lubrication and cooling during machining are essential to enhance machinability. Lubricants or coolants help reduce friction and heat, prolong tool life, and improve chip evacuation. Additionally, they prevent workpiece deformation and improve surface finish. Considering these factors, it is important to carefully select the appropriate special steel grade, optimize machining parameters, and use suitable cutting tools and lubrication to achieve the desired machinability and maximize productivity.
- Q:How does special steel contribute to the construction aftermarket industry?
- The construction aftermarket industry greatly benefits from the use of special steel, as it offers a wide range of advantages and applications. Firstly, special steel is exceptionally strong and durable, making it perfect for constructing various infrastructure elements like bridges, buildings, and roads. Its high tensile strength allows for greater load-bearing capacity, enhancing the overall safety and longevity of structures. Moreover, special steel is renowned for its resistance to corrosion and extreme weather conditions, making it particularly valuable in construction projects. By utilizing special steel, construction companies can ensure that their structures are better equipped to withstand harsh environments, reducing the need for frequent repairs and replacements. Additionally, special steel provides versatility in terms of fabrication and design. It can be easily molded and shaped into different forms, allowing architects and engineers to create innovative and visually appealing structures. This flexibility enables the construction aftermarket industry to meet various design requirements while maintaining structural integrity. Furthermore, special steel offers long-term cost-effectiveness. Although the initial investment in special steel may be higher compared to other materials, its durability and low maintenance requirements result in reduced lifecycle costs. This makes it a cost-efficient choice for construction projects, as it minimizes ongoing expenses related to repairs and replacements. Lastly, special steel contributes to sustainability in the construction industry. Due to its strength and durability, structures built with special steel have a longer lifespan, reducing the need for frequent demolitions and reconstructions. Additionally, special steel is highly recyclable, promoting a more sustainable approach to construction by minimizing waste and conserving resources. In conclusion, special steel plays a vital role in the construction aftermarket industry by providing superior strength, durability, resistance, versatility, cost-effectiveness, and sustainability. Its exceptional properties contribute to the creation of safer, longer-lasting, and more visually appealing structures, making it an indispensable material for construction projects.
- Q:Can special steel be used in the medical device manufacturing industry?
- Yes, special steel can be used in the medical device manufacturing industry. Special steel alloys, such as stainless steel, are commonly used in the production of medical devices due to their excellent corrosion resistance, biocompatibility, and mechanical properties. These materials provide durability, sterilization compatibility, and are suitable for various medical applications, including implants, surgical instruments, and diagnostic equipment.
- Q:How does special steel perform in terms of corrosion resistance in marine environments?
- In marine environments, special steel, also known as stainless steel, exhibits exceptional performance in terms of resisting corrosion. This is mainly attributed to the high levels of chromium and nickel present in its alloy composition. The chromium content creates a protective oxide layer on the steel's surface, commonly referred to as the passive layer. Acting as a shield, this layer prevents direct contact between the steel and corrosive elements found in marine environments, such as saltwater. Furthermore, the presence of nickel enhances the corrosion resistance of special steel. Nickel not only improves the stability of the passive layer but also increases its ability to self-repair if it becomes damaged. This property makes special steel highly reliable and long-lasting, especially in marine environments where the steel is exposed to saltwater, high humidity, and fluctuating temperatures that can accelerate corrosion processes. Moreover, special steel offers excellent resistance to two common types of corrosion encountered in marine environments: pitting corrosion and crevice corrosion. Pitting corrosion occurs when localized areas of the steel's surface are attacked, resulting in small pits or holes. Crevice corrosion, on the other hand, takes place in confined spaces such as gaps or joints, where stagnant water or debris can accumulate and expedite corrosion. By effectively resisting these types of corrosion, special steel ensures its durability and integrity in marine applications. Overall, the high chromium and nickel content of special steel contribute to its outstanding corrosion resistance in marine environments. Its ability to form a protective passive layer, resist pitting and crevice corrosion, and self-repair makes it the preferred choice for various marine applications, including shipbuilding, offshore structures, and seawater desalination plants.
- Q:What are the applications of special steel in the electronics industry?
- Special steel is widely used in the electronics industry due to its unique properties and benefits. Some of the applications of special steel in this industry include the manufacturing of electronic components, such as connectors, springs, and contacts, which require high strength and corrosion resistance. Special steel is also used in the production of magnetic cores for transformers and inductors, as it exhibits excellent magnetic properties. Additionally, special steel is utilized in the fabrication of precision tools and equipment used in electronics manufacturing processes, ensuring high precision, durability, and reliability. Overall, the applications of special steel in the electronics industry contribute to enhanced performance, efficiency, and longevity of electronic devices and systems.
- Q:How does special steel contribute to the manufacturing of precision components?
- The manufacturing of precision components heavily relies on special steel, which offers a wide range of desirable properties necessary for achieving high levels of accuracy and reliability. To begin with, special steel is renowned for its remarkable strength and durability. This enables precision components to endure the immense stress and load they may encounter during operation. By utilizing special steel, manufacturers can create precision components that can withstand intense forces without warping, deforming, or breaking, ensuring long-lasting performance and reliability. Furthermore, special steel demonstrates excellent resistance to wear. Components manufactured from special steel can endure friction, abrasion, and wear caused by continuous use or contact with other materials. This is especially crucial for precision components, as even the slightest wear or deformation can significantly impact their functionality and accuracy. By employing special steel, manufacturers can guarantee that precision components maintain their shape and integrity, resulting in superior performance and longevity. Moreover, special steel offers outstanding machinability. Its composition and properties make it easier to cut, shape, and form into complex geometries, allowing manufacturers to produce intricate precision components with tight tolerances. This improved machinability facilitates the production of components with precise dimensions, ensuring accuracy and consistency in the final product. Additionally, special steel exhibits excellent resistance to corrosion. Precision components are frequently exposed to harsh environments, chemicals, or moisture, which can lead to corrosion and degradation. However, special steel's corrosion resistance properties help prevent rusting and corrosion, ensuring that precision components remain functional and reliable throughout their lifespan. Lastly, special steel provides thermal stability and resistance to high temperatures. Precision components may come into contact with extreme heat or experience rapid temperature changes during operation. The ability of special steel to withstand these conditions without compromising its strength or dimensional stability is crucial in ensuring the performance and accuracy of precision components in demanding applications. In conclusion, special steel plays a vital role in the manufacturing of precision components by offering exceptional strength, wear resistance, machinability, corrosion resistance, and thermal stability. These properties enable manufacturers to produce precise, high-quality components that meet the stringent requirements of various industries, including aerospace, automotive, electronics, and medical devices.
- Q:What are the properties of boron steel?
- Boron steel, also known as boron-alloyed steel, possesses several unique properties. It is exceptionally strong and has a high tensile strength, making it ideal for applications that require high-strength materials. Boron steel also exhibits good hardenability, meaning it can be hardened by heat treatment processes such as quenching and tempering. Additionally, it has excellent wear resistance and is often used in the manufacturing of cutting tools and wear-resistant components. Moreover, boron steel offers good weldability and formability, allowing it to be easily shaped and joined. Overall, the properties of boron steel make it a valuable material in various industries, including automotive, construction, and tool manufacturing.
- Q:What are the different types of high-strength steel?
- There are several different types of high-strength steel, including high-strength low-alloy (HSLA) steel, advanced high-strength steel (AHSS), ultra-high-strength steel (UHSS), and maraging steel.
- Q:What are the different international trade regulations for special steel?
- The different international trade regulations for special steel vary depending on the specific country and region. These regulations may include import and export restrictions, tariffs, quotas, anti-dumping measures, quality standards, labeling requirements, and intellectual property rights protection. Additionally, special steel may be subject to specific regulations related to its use in certain industries such as aerospace or automotive. It is important for businesses involved in international trade of special steel to stay updated on these regulations to ensure compliance and smooth operations.
- Q:What are the applications of special steel in the manufacturing sector?
- Special steel has a wide range of applications in the manufacturing sector, including the production of tools, machinery, automotive components, and construction materials. Its exceptional strength, durability, and resistance to corrosion make it ideal for manufacturing applications that require high performance and reliability. Furthermore, special steel can be tailored to specific requirements, enabling manufacturers to create customized products with enhanced properties, such as heat resistance or hardness. Overall, special steel plays a crucial role in various industries, contributing to the advancement and efficiency of the manufacturing sector.
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SAE 4140 4150 4340 Alloy Steel Round Steel 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
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