Nickel alloy forgings, fittings & pipe
Alloy 625 (UNS N06625) — chemistry & properties
Alloy 625 (UNS N06625) (Nickel alloy forgings, fittings & pipe, UNS N06625): chemical composition and mechanical properties. Seawater, flue gas, sour gas, chloride and acid service
Chemical composition (wt %)
| C | ≤ 0.1 |
| Mn | ≤ 0.5 |
| P | ≤ 0.015 |
| S | ≤ 0.015 |
| Si | ≤ 0.5 |
| Cr | 20 – 23 |
| Ni | ≥58.0 |
| Mo | 8 – 10 |
| Ti | ≤ 0.4 |
| Al | ≤ 0.4 |
| Nb+Ta | 3.15 – 4.15 |
| Fe | ≤ 5 |
| Co | ≤ 1 |
Mechanical properties
| Tensile strength, min | 827 MPa |
| Yield strength, min | 414 MPa |
| Elongation, min | 30 % |
| Hardness | Not specified |