Grade SAE 4340 Alloy Steel Price List Hot Rolled
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 3 m.t.
- Supply Capability:
- 10000 m.t./month
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Specification
Type:
Spring Steel
Shape:
Steel Round Bar
Product Description:
Round bar | |||||||
Dia:16mm~700mm | Length:2m~6m | ||||||
Flat bar | |||||||
Thickness:20mm~500mm | Length:2m~12m | ||||||
Dimensions can be customized | |||||||
OKorder is offering Grade SAE 4340 carbon steel at great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.
Product Applications:
Grade SAE4340 carbon steels are ideal for structural applications and are widely used in the construction of buildings and bridges, and the manufacturing, petrochemical, and transportation industries.
Product Advantages:
OKorder's Grade SAE51200/ GCr15 / 100cr6 Bearing Steel are durable, strong, and resist corrosion.
Chemical Composition:
Comparative standard | Grade | C | Si | Mn | Cr | Mo | P | S | Ni |
GB | 40CrNiMoA | 0.36-0.44 | 0.10-0.350 | 0.45-0.70 | 1.10-1.40 | 0.20-0.35 | 0.03 | 0.02 | 1.30-1.7 |
AISI | 4337/4340 |
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JIS | SNCM8 |
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DIN | 34CrNiMo6/1.6582 | 0.34 | max 0.40 | 0.65 | 1.5 | 0.23 | 0.03 | 0.03 | 1.5 |
Packaging & Delivery of Carbon Steel
Standard seaworthy packing or as customer required
Delivery time:
Within 30 days after order is confirmed.
- Q:Can special steel be used in the nuclear power industry?
- Yes, special steel can be used in the nuclear power industry. Special steel is often used for components such as reactor pressure vessels, steam generators, and fuel cladding in nuclear power plants. Special steel's high strength, resistance to corrosion, and ability to withstand high temperatures make it suitable for the demanding conditions and safety requirements of the nuclear power industry.
- Q:How does special steel contribute to the aerospace defense machinery industry?
- Special steel plays a critical role in the aerospace defense machinery industry by providing the necessary strength, durability, and performance required for various components and systems. Firstly, special steel alloys are used in the manufacturing of aircraft structures, such as wings, fuselage, and landing gear. These components require materials that can withstand extreme forces, temperature fluctuations, and corrosive environments. Special steel alloys possess unique properties, including high strength-to-weight ratio, excellent fatigue resistance, and resistance to corrosion, making them ideal for ensuring the structural integrity and longevity of aerospace defense machinery. Moreover, special steel is essential for producing engine components, including turbine blades, shafts, and casings. These parts operate under extreme conditions, such as high temperatures, pressures, and rotational speeds. Special steel alloys with high heat resistance, excellent mechanical properties, and good creep resistance are crucial for ensuring optimal engine performance, fuel efficiency, and reliability. In addition to structural and engine components, special steel is used in the manufacturing of various defense systems, such as missile guidance systems, radar systems, and communication equipment. These systems require materials that offer electromagnetic compatibility, high strength, and resistance to vibration and shock. Special steel alloys with specific electromagnetic properties, such as low magnetic permeability or high electrical conductivity, contribute to the efficient functioning of these systems. Furthermore, the aerospace defense machinery industry heavily relies on special steel for the production of precision tools, cutting blades, and molds used in the manufacturing process. These tools must possess high hardness, wear resistance, and dimensional stability to ensure accurate and efficient processing of complex components. Overall, special steel is a crucial enabler for the aerospace defense machinery industry as it provides the necessary strength, durability, and performance required for the demanding and often harsh operating conditions in this sector. The unique properties of special steel alloys contribute to the development of advanced and reliable aerospace defense machinery, enhancing the capabilities and safety of military and defense operations.
- Q:How does special steel contribute to the power transmission sector?
- Special steel plays a crucial role in the power transmission sector due to its exceptional properties and performance characteristics. Firstly, special steel is known for its high strength and resilience, which makes it an ideal material for manufacturing various components of power transmission systems. For instance, special steel is widely used in the production of transmission towers, where its strength ensures the stability and durability of the structures, even under extreme weather conditions. Moreover, special steel is highly resistant to corrosion, which is particularly beneficial in the power transmission sector. Power transmission equipment is often exposed to harsh environments, such as high humidity, chemical pollutants, and saltwater exposure, which can accelerate corrosion. By utilizing special steel in the manufacturing process, the risk of corrosion-related failures is significantly minimized, ensuring the reliable and uninterrupted transmission of power. Additionally, special steel offers excellent electrical conductivity, making it an ideal choice for conductors and cables used in power transmission. The efficient transfer of electrical energy is crucial to minimize power losses and optimize the transmission process. Special steel conductors provide low resistance to the flow of electricity, enabling efficient power transmission over long distances. Furthermore, special steel is also utilized in the production of transformers and other electrical equipment used in power transmission. The magnetic properties of special steel make it an excellent material for transformer cores, enabling efficient energy conversion and minimizing energy losses during transmission. In conclusion, special steel contributes significantly to the power transmission sector by offering strength, corrosion resistance, electrical conductivity, and magnetic properties. These properties ensure the reliability, efficiency, and longevity of power transmission systems, ultimately supporting the uninterrupted supply of electricity to industries, businesses, and households.
- Q:What are the different surface treatments applied to special steel?
- There are several different surface treatments that can be applied to special steel to enhance its properties and improve its performance. Some of the commonly used surface treatments include: 1. Heat treatment: This is a process that involves heating the steel to a specific temperature and then cooling it at a controlled rate. Heat treatment can be used to improve the hardness, strength, and toughness of the steel, as well as to enhance its resistance to wear and corrosion. 2. Coating: Coating the surface of special steel with a protective layer is another common surface treatment. This can be done using various methods such as electroplating, hot-dip galvanizing, or powder coating. Coatings can provide additional resistance to corrosion, improve the appearance of the steel, and increase its lifespan. 3. Nitriding: Nitriding is a process that involves diffusing nitrogen into the surface of the steel, typically at high temperatures. This forms a hard surface layer that improves the wear resistance and fatigue strength of the steel, while maintaining the core toughness. 4. Shot peening: Shot peening is a mechanical surface treatment that involves bombarding the steel surface with small spherical particles, typically made of steel or ceramic. This process induces compressive stresses in the surface layer, which improves the fatigue strength and resistance to stress corrosion cracking. 5. Passivation: Passivation is a chemical treatment that is used to remove impurities and contaminants from the surface of the steel, typically by immersing it in an acid solution. This process helps to restore the natural corrosion resistance of stainless steel by forming a protective oxide layer on the surface. 6. Electro-polishing: Electro-polishing is an electrochemical process that removes a thin layer of material from the surface of the steel. This treatment can improve the surface finish, remove micro-roughness, and enhance the corrosion resistance of the steel. These are just a few examples of the various surface treatments that can be applied to special steel. The choice of treatment depends on the specific requirements of the application and the desired properties of the steel.
- Q:How does the addition of nickel enhance the properties of special steel?
- The addition of nickel enhances the properties of special steel by improving its strength, toughness, and corrosion resistance. Nickel forms a solid solution with iron, which increases the overall strength and hardness of the steel. It also enhances the toughness, making it more resistant to cracking and fractures. Additionally, nickel improves the corrosion resistance of special steel, making it suitable for applications in aggressive environments or industries such as marine, chemical, and oil and gas.
- Q:What are the different welding methods used for special steel?
- There are several welding methods used for special steel, including Tungsten Inert Gas (TIG) welding, Metal Inert Gas (MIG) welding, Shielded Metal Arc Welding (SMAW), Flux-Cored Arc Welding (FCAW), and Submerged Arc Welding (SAW). These methods are chosen based on factors such as the type of steel, joint design, thickness, and desired welding quality.
- Q:How does special steel contribute to the railway industry?
- Special steel plays a crucial role in the railway industry by contributing to the development and maintenance of efficient and reliable rail systems. The unique properties of special steel, such as high strength, durability, and resistance to wear and tear, make it an ideal material for various components and structures within the railway infrastructure. One of the key areas where special steel contributes to the railway industry is in the manufacturing of rails. Special steel rails are designed to withstand heavy loads and intense usage, ensuring the safe and smooth movement of trains. These rails are highly resistant to wear, fatigue, and deformation, resulting in longer service life and reduced maintenance costs. Additionally, special steel is used in the manufacturing of wheelsets, which are critical components of trains. The high strength and durability of special steel make it ideal for wheelset production, ensuring reliable performance and minimizing the risk of derailments. The use of special steel in wheelsets also contributes to increased operational efficiency, as it reduces friction and enhances energy transmission, leading to improved fuel economy and reduced environmental impact. Furthermore, special steel is utilized in the construction of bridges, tunnels, and other infrastructure elements within the railway network. These structures must withstand heavy loads, extreme weather conditions, and various environmental factors. Special steel's exceptional strength, corrosion resistance, and longevity make it a preferred choice for such applications, ensuring the safety and reliability of rail systems. In summary, special steel significantly contributes to the railway industry by providing the necessary strength, durability, and resistance to wear and tear for various components and structures. Its use in rails, wheelsets, and infrastructure elements enhances the efficiency, reliability, and safety of rail systems, ultimately benefiting passengers, freight transport, and the overall transportation sector.
- Q:What are the different methods for improving the creep resistance of special steel?
- Several methods exist to enhance the creep resistance of special steel. One commonly employed technique involves alloying. By incorporating specific alloying elements like chromium, molybdenum, and vanadium, the steel's creep resistance can be significantly improved. These alloying elements create stable carbides or nitrides that serve as obstacles to dislocation movement, thereby reducing the rate of creep deformation. Heat treatment represents another effective approach. By subjecting the steel to carefully controlled heating and cooling processes, the microstructure can be refined to enhance its creep resistance. Techniques such as quenching and tempering aid in the formation of a fine-grained structure, which in turn increases the steel's strength and resistance to creep. Surface modification offers an alternative means of improving creep resistance. Nitriding and carburizing techniques can be utilized to introduce nitrogen or carbon into the steel's surface layer, creating a hardened layer that enhances creep resistance. Moreover, grain size control can be achieved through methods like grain boundary engineering or severe plastic deformation. By refining the grain structure, the movement of dislocations within the material is impeded, resulting in improved creep resistance. Lastly, the application of coatings can also bolster the creep resistance of special steel. Coatings such as ceramic or metallic coatings provide a protective layer that hampers the diffusion of impurities and slows down the creep rate. To summarize, the improvement of creep resistance in special steel can be accomplished through various techniques, including alloying, heat treatment, surface modification, grain size control, and the use of coatings. These methods aim to fortify the steel's microstructure, hinder dislocation movement, and establish protective barriers against creep deformation.
- Q:How does special steel contribute to reducing product waste during manufacturing?
- Special steel contributes to reducing product waste during manufacturing by offering enhanced properties such as durability, strength, and corrosion resistance. This allows manufacturers to produce longer-lasting and more reliable products. By using special steel, companies can reduce the need for frequent replacements, repairs, or discarded products due to wear and tear. This not only minimizes material waste but also reduces the environmental impact associated with manufacturing processes.
- Q:How does special steel contribute to the manufacturing of structural components?
- The unique properties and characteristics of special steel are crucial in the manufacturing of structural components. Firstly, its exceptional strength and durability make it an ideal material for load-bearing structures, as it can withstand high levels of stress, pressure, and heavy loads, ensuring their safety and integrity. In addition, special steel's excellent corrosion resistance is particularly important for structural components exposed to harsh environments. This feature helps prevent rusting and deterioration, thereby extending the lifespan of the components and reducing maintenance costs. Moreover, special steel offers a high degree of versatility in terms of design and fabrication. It can be easily shaped, molded, and welded, allowing manufacturers to create complex and intricate components with precision. This flexibility enables the production of customized components that meet specific requirements, enhancing the overall performance and functionality of the structures. Furthermore, special steel exhibits excellent heat resistance and fireproofing properties, making it suitable for components exposed to high temperatures or fire hazards. This is particularly important in industries such as industrial facilities, power plants, or transportation infrastructure, where fire protection is vital. Additionally, special steel often has superior fatigue resistance, allowing it to withstand repetitive or cyclic loading without suffering from fatigue failure. This property is crucial for components subjected to dynamic or fluctuating loads. In conclusion, special steel significantly contributes to the manufacturing of structural components by providing strength, durability, corrosion resistance, versatility in design, heat resistance, fireproofing, and fatigue resistance. Its unique properties make it an essential material choice for constructing safe, reliable, and long-lasting structures across various industries.
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Grade SAE 4340 Alloy Steel Price List Hot Rolled
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 3 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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