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: What are the different power generation grades of special steel?
- There are several different power generation grades of special steel used in various applications within the power generation industry. These grades are specifically designed to withstand high temperatures, pressures, and corrosive environments encountered in power plants. One common grade is known as 9Cr-1Mo-V steel, also referred to as Grade 91. It is a high-strength, low-alloy steel that is widely used in the construction of boiler components such as headers, tubes, and turbine rotors. Grade 91 steel offers excellent creep strength, oxidation resistance, and thermal stability, making it suitable for high-temperature operations. Another grade commonly used in power generation is 12Cr-1Mo-V steel, also known as Grade 11. It is primarily used in the fabrication of superheater and reheater tubes for power boilers. Grade 11 steel exhibits good high-temperature strength, corrosion resistance, and weldability, making it ideal for these applications. Additionally, there is a grade called 2.25Cr-1Mo steel (Grade 22) which is often used in the construction of pressure vessels and piping systems in power plants. It has excellent creep resistance, high-temperature strength, and resistance to hydrogen attack, making it suitable for critical components in power generation facilities. Furthermore, there are other specialized grades like 5Cr-0.5Mo steel (Grade 5) and 9Cr-0.5Mo steel (Grade 9) that are used in specific power generation applications where elevated temperatures and pressures are encountered. These grades offer a combination of strength, corrosion resistance, and thermal stability to ensure reliable performance in demanding environments. In summary, the power generation industry utilizes various grades of special steel specifically designed to meet the unique requirements of power plants. These grades provide high-temperature strength, corrosion resistance, and other essential properties necessary for efficient and reliable power generation operations.
- Q: Can special steel be used in the appliance manufacturing industry?
- Yes, special steel can be used in the appliance manufacturing industry. Special steel, also known as alloy steel, offers enhanced properties such as durability, corrosion resistance, and high temperature resistance. These qualities make it suitable for various appliance components, including heating elements, motor shafts, and structural parts.
- Q: How does free-cutting steel improve machinability?
- Free-cutting steel improves machinability by containing additional elements, such as sulfur, lead, or phosphorus, which help to break the chips and aid in chip removal during the machining process. These elements act as lubricants, reducing friction and heat generation, which results in improved surface finish and reduced tool wear.
- Q: How is high-speed stainless steel used in the production of machining tools?
- High-speed stainless steel is often used in the production of machining tools due to its excellent combination of strength, hardness, and corrosion resistance. It allows for higher cutting speeds and longer tool life, resulting in improved productivity and cost-efficiency. Additionally, the stainless steel's resistance to heat and wear makes it suitable for high-temperature applications, ensuring the durability and reliability of the machining tools.
- Q: What are the limitations of using special steel in high-stress applications?
- There are several limitations to using special steel in high-stress applications. Firstly, special steel can be expensive compared to other materials, making it less economical for certain projects. Additionally, special steel may not possess the necessary resistance to corrosion or other environmental factors, which can limit its durability in certain conditions. Moreover, special steel may have specific temperature limitations, as it can lose strength at extreme heat or cold. Finally, the availability of certain special steel grades may be limited, making it challenging to source the required material for high-stress applications.
- Q: How does special steel perform in cryogenic applications?
- Special steel is known for its excellent performance in cryogenic applications. Cryogenic temperatures refer to extremely low temperatures below -150 degrees Celsius (-238 degrees Fahrenheit). In such conditions, regular steel tends to become brittle and lose its strength, making it unsuitable for use. However, special steel, also known as cryogenic steel or low-temperature steel, is specifically designed to withstand these extreme cold temperatures. One of the key properties of special steel is its ability to maintain its mechanical properties even at cryogenic temperatures. It retains its strength, toughness, and ductility, ensuring that it can withstand the stresses and strains imposed on it in cryogenic environments. This allows special steel to be used in various applications, such as cryogenic storage tanks, pipelines, and equipment in industries like aerospace, energy, and healthcare. Special steel also exhibits excellent resistance to brittle fracture at low temperatures. This is crucial, as brittle fractures can occur when materials become too brittle and fail under stress. The unique composition and processing of special steel help prevent this, ensuring the integrity and safety of components in cryogenic systems. Moreover, special steel has a low coefficient of thermal expansion, meaning it experiences minimal dimensional changes when exposed to temperature variations. This property is highly advantageous in cryogenic applications, as it helps maintain the stability and reliability of equipment and structures. In addition, special steel offers good corrosion resistance, which is essential in cryogenic environments where the presence of moisture and certain chemicals can accelerate corrosion processes. The resistance to corrosion ensures the longevity and durability of components, reducing maintenance and replacement costs. Overall, special steel is a preferred choice for cryogenic applications due to its ability to maintain mechanical properties, resistance to brittle fracture, low thermal expansion, and corrosion resistance. These properties make it a reliable and efficient material for use in cryogenic systems, providing the necessary strength and durability even in extremely low-temperature conditions.
- Q: Can special steel be used for aerospace engine components?
- Yes, special steel can be used for aerospace engine components. Special steel alloys, such as nickel-based superalloys, are often used in the manufacturing of aerospace engine components due to their excellent high-temperature strength, corrosion resistance, and ability to withstand extreme conditions. These steel alloys are specifically designed to meet the stringent requirements and demands of aerospace applications, ensuring optimal performance and reliability of the engine components.
- Q: How does special steel perform under extreme temperatures?
- Special steel is specifically designed to perform well under extreme temperatures. It exhibits excellent strength, hardness, and resistance to heat, making it highly suitable for applications that involve extreme heat or cold. At high temperatures, special steel maintains its structural integrity, which means it does not undergo significant deformation or loss of strength. It retains its hardness and dimensional stability, ensuring that it can withstand the extreme conditions without compromising its performance. Special steel also demonstrates exceptional resistance to thermal expansion and contraction, which is crucial when exposed to extreme temperature changes. This property allows the steel to expand and contract uniformly, minimizing the risk of cracking or other forms of damage. Moreover, special steel possesses excellent heat resistance, enabling it to retain its mechanical properties even at elevated temperatures. It exhibits high creep resistance, which is the ability to resist deformation under constant stress at high temperatures. This ensures that the steel can withstand prolonged exposure to extreme heat without experiencing failure or degradation. In addition to its impressive performance at high temperatures, special steel also performs well under extremely low temperatures. It maintains its toughness and ductility, with minimal risk of embrittlement or cracking. This makes it suitable for applications in cryogenic environments, such as in the aerospace or medical industries. Overall, special steel is designed to excel under extreme temperatures, offering exceptional strength, hardness, and resistance to heat. Its ability to maintain its structural integrity, resist thermal expansion and contraction, and withstand high or low temperatures makes it a reliable choice for various demanding applications.
- Q: How does special steel perform in high-temperature creep conditions?
- Special steel is specifically designed and engineered to perform exceptionally well in high-temperature creep conditions. It exhibits remarkable resistance to deformation and maintains its mechanical properties even at elevated temperatures, making it highly reliable and suitable for applications that require stability and strength in such environments.
- Q: What are the different standards and specifications for special steel?
- There are several standards and specifications for special steel, which vary depending on the specific type and application of the steel. Some common standards include AISI (American Iron and Steel Institute), ASTM (American Society for Testing and Materials), EN (European Norm), and JIS (Japanese Industrial Standards). These standards define the chemical composition, mechanical properties, and manufacturing processes required for special steel to meet certain quality and performance standards. Additionally, there may be specific specifications for different industries or applications, such as aerospace, automotive, or construction, that further define the requirements for special steel.
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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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