Hastelloy N Sheet
Hastelloy N sheet is an alloy of nickel, molybdenum, and chromium widely used in high-temperature and fluoride-containing surroundings. Hastelloy N (UNS N10003) is designed for molten fluoride salt reactors and has high oxidation resistance, thermal stability, and mechanical properties.
Chemical Composition of Hastelloy N Sheet
The composition of Hastelloy N Sheet is crucial for understanding its properties and performance in various industrial applications.
| Element | Content (%) |
|---|---|
| Nickel, Ni | 71 |
| Molybdenum, Mo | 16 |
| Chromium, Cr | 7 |
| Iron, Fe | ≤ 5 |
| Silicon, Si | ≤ 1 |
| Manganese, Mn | ≤ 0.80 |
| Tungsten, W | ≤ 0.50 |
| Aluminum, Al + Titanium, Ti | ≤ 0.50 |
| Copper, Cu | ≤ 0.35 |
| Cobalt, Co | ≤ 0.20 |
| Carbon, C | ≤ 0.080 |
Thus, this table provides valuable insights into the chemical composition of these flanges, highlighting their properties and suitability.
Mechanical Properties of Hastelloy N Sheet
The table provides essential information for engineers and manufacturers to assess the integrity and durability of Hastelloy N Sheet in demanding environments.
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength | 800 MPa | 116000 psi |
| Elongation at break (in 25.4 mm) | 39.3% | 39.3% |
| Modulus of elasticity (@14°C) | 219 GPa | 31800 ksi |
Thus, this valuable data on the strength, flexibility, and resilience of Hastelloy N Sheet is crucial for ensuring reliability and longevity.
Advantages of Hastelloy N sheet
These flexible sheets offer numerous benefits for various industrial applications, which are as follows.
- Exceptional High-Temperature Resistance: Hastelloy N sheet has good strength and stability at high temperatures and, therefore, is suitable for high-temperature use.
- Fluoride Resistance: The alloy has a very high resistance to fluoride environments, which are very corrosive and can lead to severe material loss.
- Oxidation Resistance: Hastelloy N has a very high oxidation resistance, making the material long-lasting and durable in oxidative conditions.
- Thermal Stability: Hastelloy N also shows good thermal stability and the thermal cycling does not affect its performance.
- Good Fabricability: Hastelloy N can be easily formed and welded using conventional methods, thus making it possible to develop complex parts and structures.
- Resistance to Radiation Damage: The alloy has good resistance to radiation damage and can be used in nuclear applications.
Hastelloy N sheet offers several advantages that make it suitable for industrial and commercial applications.
Common Applications of Hastelloy N Sheet
Due to its excellent features, the Hastelloy N sheet is preferred in various industrial applications. Some of the main applications include.
- Molten Salt Reactors: Hastelloy N sheet is used in molten salt reactors to effectively withstand molten fluoride salts' high temperatures and corrosiveness.
- Nuclear Industry: Hastelloy N is used in several nuclear applications requiring it to withstand high temperatures and radiation, such as heat exchangers, reactor vessels and piping.
- Chemical Processing: Hastelloy N is applied in the chemical processing industry for equipment and piping that deals with corrosive chemicals and high-temperature processes.
- Aerospace Industry: Hastelloy N is used in the aerospace industry for components subjected to high-temperature conditions, including the turbine blades, combustors and other parts.
- Power Generation: Hastelloy N can be used in the power generation industry, where it is used in heat exchangers and boilers that require high mechanical properties and resistance to corrosion.
- Petrochemical Industry: The alloy is employed in the petrochemical industry for application in processing equipment and pipes subjected to high temperature and corrosive conditions.
- Industrial Furnaces: Hastelloy N is suitable for industrial furnace parts such as retorts, muffles, and liners because of its high strength and oxidation resistance at high temperatures.
- Pollution Control: The alloy is used in pollution control equipment, including scrubbers and exhaust systems, where it is not affected by acidic gases and liquids.
Hastelloy N sheet is an application across various industries due to its valuable features, making it versatile.