Inconel 718
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Inconel 718
Nufit Alloys, based in Mumbai, India, has earned a solid reputation as an Importer, Supplier, and Stockist of Inconel 718. Our unwavering focus on meeting the unique requirements of our customers is a testament to our commitment to excellence. We take pride in providing top-notch alloys that excel in cutting-edge applications, thanks to our extensive expertise. When it comes to specialty alloys, Nufit Alloys is the trusted name in Mumbai for unmatched reliability and precision. Rest assured, we not only meet but exceed your expectations. You can count on us for unrivalled dependability and precision in the world of specialty alloys
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Inconel 718 is a robust nickel-based metal, which boasts excellent resistance to rusting. Its mechanical strength at high temperatures is widely recognized. The primary components of this alloy include nickel, chromium, and iron, with additional elements like molybdenum and niobium. Its ability to withstand tension, long-lasting durability, and resistance to creep-induced fractures, makes it highly suitable for demanding applications in Aerospace, Gas Engines, Nuclear Reactors, and various industrial operations
When it comes to tackling harsh conditions such as corrosion and rusting, Inconel 718 from Nufit Alloys stands out as the top choice. It finds extensive use in gas engines, nuclear power plants, aircrafts, and industries. With its improved flexibility for soldering purposes now available, it has become the ultimate material for challenging scenarios that require the use of critical components
Key Characteristics of Inconel 718 include :
- High Strength: Inconel 718 boasts superior tensile strength, ensuring structural integrity and reliability in demanding applications
- Corrosion Resistance: Exceptional resistance to corrosion enhances longevity and performance in harsh environments
- Elevated Temperature Stability: Maintains mechanical properties under extreme temperatures, vital for applications in aerospace and industrial settings
- Fatigue Resistance: Exhibits resilience against fatigue, crucial for prolonged usage in dynamic and challenging conditions
- Creep-Rupture Properties: Withstands sustained loads at high temperatures, making it suitable for critical components in various industries
- Weldability: Allows for effective welding, providing flexibility in manufacturing and construction processes
Other Designations:
In addition to its primary designation as Inconel 718, the alloy may also be referred to by various trade names- UNS N07718
- W. Nr. 2.4668
Application
Inconel 718 is widely employed for its exceptional properties, finding applications in diverse fields due to its reliability and durability
- Oil and Gas Industry: Inconel 718 is crucial for downhole tools and components, withstanding corrosive environments and high-pressure conditions
- Petrochemical Sector: Used in processing equipment, Inconel 718 offers corrosion resistance and high-strength properties for demanding chemical environments
- Aerospace Applications: Inconel 718's lightweight yet robust features make it ideal for aircraft components, ensuring structural integrity and performance at elevated temperatures
- Automobile Manufacturing: Employed in exhaust systems and engine components, Inconel 718 withstands high temperatures and contributes to enhanced automotive performance
- Power Generation: Widely used in gas turbines and nuclear reactors, Inconel 718's heat resistance and mechanical strength support reliable power generation
- Marine Industry: Resistant to seawater corrosion, Inconel 718 is utilized in marine applications, including components for shipbuilding and offshore structures
- Chemical Processing: Inconel 718's corrosion resistance and durability make it a preferred choice for critical components in chemical processing plants
Fabrication of Inconel 718 :
Inconel 718 is renowned for its excellent fabricability, allowing it to be shaped into intricate forms for a wide range of applications. Proper fabrication techniques are crucial to retaining the alloy’s mechanical properties and corrosion resistance
Cold Working of Inconel 718 :
Cold working of Inconel 718 can be performed using standard techniques, but it may require intermediate annealing to restore ductility and prevent excessive hardening
Annealing for Inconel 718 :
Annealing of Inconel 718 is typically carried out in the temperature range of 980°C to 1065°C (1800°F to 1950°F), followed by controlled cooling. This process enhances the alloy’s mechanical properties and reduces residual stresses
Chemical Composition
| Element | Content % |
|---|---|
| Nickel (Min) | 72 |
| Chromium | 14-17 |
| Iron | 6-10 |
| Carbon (Max) | .15 |
| Manganese (Max) | 1 |
| Sulfur (Max) | .015 |
| Silicon (Max) | .5 |
| Copper (Max) | .5 |
Physical Properties
| Properties | Metric |
|---|---|
| Density | 8.19 g/cm³ |
| Melting Point | 1260-1343°C (2300-2449°F) |
| Thermal Conductivity | 6.8 W/m·K (at 100°C) |
Mechanical Properties
Inconel 718 offers impressive mechanical characteristics, making it suitable for high-stress environments
| Properties | Metric |
|---|---|
| Tensile Strength | 965 MPa (140,000 psi) - 1380 MPa (200,000 psi) |
| Yield Strength | 550 MPa (80,000 psi) - 1035 MPa (150,000 psi) |
| Elongation | 20% - 30% |