Fatigue Sn Curves: steel_1020_HR
Fatigue S-N curve data � stress amplitude vs. cycles to failure for various materials, loading types, and surface conditions per ASM Atlas of Fatigue Curves and MMPDS
| material id | cycles | Sut MPa (MPa) | Sut ksi (ksi) | endurance limit MPa (MPa) | endurance limit ksi (ksi) | loading type | stress amplitude MPa (MPa) | stress amplitude ksi (ksi) | stress ratio | surface condition |
|---|---|---|---|---|---|---|---|---|---|---|
| steel_1020_HR | 1,000 | 380 | 55.1 | 190 | 27.6 | rotating_bending | 342 | 49.6 | -1 | machined |
| steel_1020_HR | 5,000 | 380 | 55.1 | 190 | 27.6 | rotating_bending | 303 | 43.9 | -1 | machined |
| steel_1020_HR | 10,000 | 380 | 55.1 | 190 | 27.6 | rotating_bending | 283 | 41 | -1 | machined |
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