Inconel 600
Inconel 600 alloy is a nickel-chromium-iron based solid solution strengthened alloy with good resistance to high temperature corrosion and oxidation, excellent cold and hot processing and welding properties, and satisfactory thermal strength and high plasticity below 700℃.
Content
Chemical composition of Inconel 600(%)
| Element | Minimum(%) | Maximum(%) |
|---|---|---|
| Ni | 72 | 78 |
| Cr | 14 | 17 |
| Fe | 6 | 10 |
| C | - | 0.15 |
| Mn | - | 1 |
| Si | - | 0.5 |
| Cu | - | 0.5 |
| P | - | 0.03 |
| S | - | 0.015 |
Physical properties of Inconel 600
| Property | Value |
|---|---|
| Density g/cm3 | 8.43 |
| Melting range ℃ | 1370-1425 |
Mechanical properties of Inconel 600 alloy
| Alloy Status | Tensile Strength Rm N/mm | Yield Strength RP0.2 N/mm | Elongation A5 % | Hardness HBW |
|---|---|---|---|---|
| Annealing treatment | 550 | 240 | 30 | ≤195 |
| Solid solution treatment | 500 | 180 | 35 | ≤185 |
Applications of Inconel 600
Inconel 600 is renowned for its excellent resistance to heat and corrosion, making it suitable for a wide range of applications, especially where high temperatures and corrosive conditions are prevalent. Here are some specific applications that capitalize on the unique properties of Inconel 600:
Chemical Processing: Inconel 600’s resistance to oxidation and corrosion makes it ideal for use in reactors, heat exchangers, and other components in chemical processing plants, especially those handling caustic or acidic substances.
Aerospace: The alloy’s resistance to high-temperature environments makes it suitable for aerospace applications, including exhaust liners, turbine seals, and airframe components that must withstand intense heat and stress during operation.
Power Generation: Inconel 600 is used in superheater and reheater tubes in power plants. Its ability to withstand high temperatures and corrosive environments helps maintain the integrity and efficiency of the power generation process.
Heat Treatment Furnaces: The material’s resistance to carburization and nitriding, common in heat treatment processes, makes it suitable for furnace components, such as muffles, retorts, and conveyor belts.
Nuclear Engineering: Due to its high strength and resistance to radiation damage, Inconel 600 is used in nuclear reactors. It can be found in control rod components and reactor vessels.
Food Processing: Inconel 600’s non-reactive qualities make it suitable for food processing applications, where it’s essential to prevent contamination and withstand cleaning and sterilization processes.
Cryogenic Applications: The alloy retains its mechanical properties at very low temperatures, making it ideal for containing or transporting cryogenic substances like liquid natural gas.
Desalination Plants: The alloy’s resistance to chloride ion stress-corrosion cracking is crucial in desalination plants, where components are regularly exposed to salty, corrosive environments.
Each of these applications leverages Inconel 600’s unique properties, particularly its ability to maintain structural integrity under high temperature and corrosive conditions, demonstrating the material’s versatility across various industries.
