| Corrosion products | Reaction and neutron energy* | Activation cross-section and half-life | g-ray energy MeV (Intensity %)* |
| 24Na | 27Al(n, α)24Na (En > 11.6 MeV) 23Na(n, g)24Na (En is thermal) | 6 × 10−8 barn (5.3989 × 104 s) 0.53 × 10−4 barn (5.3989 × 104 s) | 1.368 (99.994) 2.754 (99.855) |
| 56Mn | 55Mn(n, g)56Mn (En is thermal) | 13.4 barn (9.2808 × 103 s) | 0.8467 (98.85) 1.8107 (26.9) 2.1131 (14.2) 2.5231 (1.02) |
| 59Fe | 58Fe(n, g)59Fe (En is thermal) | 0.9 × 10−4 barn (1.6018 × 105 s) | 0.1426 (1.02) 0.1923 (3.08) 1.0992 (56.5) 1.2916 (43.2) |
| 60Co | 59Co(n, g)60Co | 2 × 10−3 barn (1.6638 × 108 s) | 1.1732 (99.85) 1.3325 (99.98) |
| 99Mo | 98Mo(n, g)99Mo En > 3.1 MeV | 0.45 × 10−4 barn (2.3751 × 105 s) | 0.1811 (6.14) 0.3664 (1.20) 0.7395 (12.26) 0.7779 (4.3) |