Inconel 718 Alloy is a high-performance nickel-chromium alloy known for its excellent resistance to corrosion and oxidation, high strength, and outstanding creep and fatigue properties. This alloy is widely used in various industries, including aerospace, marine, and chemical processing, where it serves in critical components exposed to demanding environments. Its unique properties make it ideal for applications requiring durability, reliability, and high performance.
Product Overview
Inconel 718 is a precipitation-hardened nickel-based superalloy designed for high-temperature and high-strength applications. It exhibits excellent mechanical properties, especially in low to high-temperature environments, and is particularly well-suited for use in aerospace, nuclear, and oil & gas industries. The alloy performs exceptionally well in the temperature range of -253°C to 700°C, offering superior fatigue resistance, radiation resistance, oxidation resistance, and corrosion resistance.
Key Features
- Outstanding Overall Performance: Exhibits high yield strength and excellent fatigue, radiation, and thermal stability over a wide temperature range of -253°C to 700°C.
- Excellent Oxidation and Corrosion Resistance: Maintains good mechanical properties and corrosion resistance even in high-temperature environments.
- Superior Machinability and Weldability: Meets the manufacturing demands for high-precision components, especially excelling in the fabrication of complex-shaped parts.
- Long-Term Structural Stability: Retains stable microstructure and performance under long-term use, making it suitable for harsh operating conditions.
- Process Flexibility: The alloy's microstructure is highly responsive to heat treatment processes, allowing for customization of strength and performance based on specific requirements.
Applications
- Aerospace: Widely used in the manufacture of aerospace engine components, turbine blades, and other critical parts exposed to high temperatures and pressures.
- Nuclear Energy: Ideal for the fabrication of nuclear reactors and related equipment, able to withstand high radiation environments.
- Oil & Gas Industry: Used in oil extraction and deep-sea drilling equipment, especially in high-temperature and high-pressure environments, with excellent corrosion resistance.
- High-Temperature, High-Pressure Environments: Perfect for producing industrial equipment and components that must endure extreme temperatures and pressures.
Alloy grade | Inconel 718 Alloy | |
% | Min. | Max. |
Ni | 50 | 55 |
Cr | 17 | 21 |
Fe | Balance | |
C | 0.08 | |
Mn | 0.35 | |
Si | 0.35 | |
Mo | 2.8 | 3.3 |
Cu | 0.3 | |
Co | 1 | |
Al | 0.2 | 0.8 |
Ti | 0.65 | 1.15 |
Nb | 4.75 | 5.5 |
B | 0 | 0.006 |
P | 0.01 | |
S | 0.01 |