Nickel Alloy 625 (Inconel® 625/UNS N06625) is a popular nickel-chromium alloy that offers users a high level of strength, ease of fabrication, and excellent corrosion resistance. Nickel Alloy 625 is known for its impressive high temperature strength, resistance to oxidation and a wide range of corrosive elements, and weldability.
Supra Alloys meets its customers’ specialty metal needs by offering Nickel Alloy 625 in the following product forms:
High Temperature Alloys like Nickel Alloy 625 can be used in a number of different applications due to its strength, environmental resistance, and high-temperature stability. Supra Alloys’ customers represent many different sectors but most often Nickel Alloy 625 is seen in:


| Element | Content (%) |
| Nickel, Ni | 60 |
| Chromium, Cr | 22 |
| Molybdenum, Mo | 9 |
| Iron, Fe | 4 |
| Niobium, Nb | 3.5 |
| Titanium, Ti | 0.3 |
| Manganese, Mn | 0.3 |
| Aluminum, Al | 0.3 |
| Silicon, Si | 0.25 |
| Carbon, C | 0.05 |
| Sulfur, S | 0.003 |
| Phosphorous, P | 0.01 |
| Properties | Metric | Imperial |
| Density | 8.44 g/cm³ | 0.305 lb/in³ |
| Melting point | 1330°C | 2425°F |
| Properties | Metric | Imperial |
| Hardness, Rockwell B (typical annealed) | 95 | 95 |
| Tensile strength (for flat products (<4″ thickness) and seamless tube and pipe) | ≥ 827 MPa | ≥ 120000 psi |
| Yield strength (for flat products (<4″ thickness) and seamless tube and pipe) | ≥ 414 MPa | ≥ 60000 psi |
| Elongation at break (typical annealed) | 45% | 45% |
INCONEL is a trademark of the Special Metals Corporation group of companies.
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