| Type | Item | Heat aging (121°C×24hr) | Rate of change (%) | |||
|---|---|---|---|---|---|---|
| Before radiation | Normal (2×104 Gy) | Abnormal (2×106 Gy) | Normal (2×104 Gy) | Abnormal (2×106 Gy) | ||
| Bead | Hardness | 38 | 40 | 42 | +5.26 | +10.5 |
| Tensile strength | 12.8 | 12.4 | 3.5 | -3.12 | -72.6 | |
| Elongation | 809 | 792 | 175 | -2.10 | -78.3 | |
| Body | Hardness | 61 | 62 | 64 | +1.64 | +4.82 |
| Tensile strength | 22.0 | 21.7 | 9.2 | -1.36 | -58.2 | |
| Elongation | 487 | 467 | 136 | -4.10 | -72.1 | |