表 3. Dynamic safety factors.
动态安全系数
| 指标 | Φ8×30 mm | Φ10×30 mm | Φ12×30 mm |
| 160 mm Hg 时应力/MPa | 521.6 | 537.8 | 545.5 |
| 80 mm Hg 时应力/MPa | 372.8 | 369.4 | 377.4 |
| 平均应力/MPa | 447.2 | 453.6 | 461.5 |
| 交变应力/MPa | 74.4 | 84.2 | 84.1 |
| 动态安全系数 | 1.31 | 1.23 | 1.14 |
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