Sn
Tin
Z = 50 · Post-Transition Metal · 118.7 u
Nuclear Engineering Significance
Alloying element in Zircaloy cladding (Zircaloy-2: 1.5% Sn, Zircaloy-4: 1.5% Sn) where it improves mechanical strength and corrosion resistance. Thermal absorption (σ_a = 0.63 b) is low. Tin fission products are present in the mass ~119-126 range.
Basic properties
- Atomic number (Z)
- 50
- Standard atomic mass
- 118.7 u
- Category
- Post-Transition Metal
Isotopes & cross-section data
| Isotope | Mass (A) | Half-life | ZAID | Libraries |
|---|---|---|---|---|
| Sn-112 | 112 | Stable | .80c.71c.70c | |
| Sn-114 | 114 | Stable | .80c.71c.70c | |
| Sn-115 | 115 | Stable | .80c.71c.70c | |
| Sn-116 | 116 | Stable | .80c.71c.70c | |
| Sn-117 | 117 | Stable | .80c.71c.70c | |
| Sn-118 | 118 | Stable | .80c.71c.70c | |
| Sn-119 | 119 | Stable | .80c.71c.70c | |
| Sn-120 | 120 | Stable | .80c.71c.70c | |
| Sn-122 | 122 | Stable | .80c.71c.70c | |
| Sn-124 | 124 | Stable | .80c.71c.70c |