Hastelloy N Round Bar (UNS N10003 / W.Nr. 2.4815)
Hastelloy N Round Bar is a nickel–molybdenum alloy specifically developed for exceptional resistance to molten fluoride salts and excellent stability in high-temperature nuclear and chemical processing environments. Known for its outstanding corrosion resistance, thermal stability, and fabricability, Hastelloy N is widely used in molten-salt reactors, chemical processing, and specialized high-temperature applications.
Key Features
- Excellent resistance to molten fluoride salts
- High thermal stability at elevated temperatures
- Good resistance to oxidation and carburization
- Superior mechanical strength at high temperatures
- Good weldability and fabrication characteristics
- Long service life in aggressive environments
Equivalent Grades of Hastelloy N
| Standard | Equivalent |
|---|---|
| UNS | N10003 |
| DIN / EN | 2.4815 |
| ASTM | Hastelloy N |
Sizes
- Diameter: 6 mm to 350 mm
- Length: Random, Cut Length, or as per customer requirement
Hastelloy N Chemical Composition
| Element | Percentage (%) |
|---|---|
| Nickel (Ni) | Balance |
| Molybdenum (Mo) | 15.0 – 18.0 |
| Chromium (Cr) | ≤ 0.5 |
| Iron (Fe) | ≤ 5.0 |
| Carbon (C) | ≤ 0.08 |
| Silicon (Si) | ≤ 1.0 |
| Manganese (Mn) | ≤ 1.0 |
UNS N10003 Mechanical Properties
| Property | Typical Value |
|---|---|
| Tensile Strength | ≥ 690 MPa |
| Yield Strength (0.2%) | ≥ 310 MPa |
| Elongation | ≥ 30% |
| Hardness | ≤ 90 HRB |
2.4815 Physical Properties
| Property | Value |
|---|---|
| Density | 8.9 g/cm³ |
| Melting Range | 1330 – 1370 °C |
| Modulus of Elasticity | 205 GPa |
| Thermal Conductivity | 11.4 W/m·K |
Types of Hastelloy N Round Bar
- Hot Rolled Round Bar
- Cold Drawn Round Bar
- Forged Round Bar
- Precision Machined Bar
Applications
- Molten Salt Reactors (MSR)
- Nuclear fuel processing systems
- Chemical processing equipment
- High-temperature heat exchangers
- Fluoride salt handling components
- Specialized aerospace and research applications
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