Fatigue Sn Curves: steel_4340_QT
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_4340_QT | 1,000 | 860 | 124.7 | 430 | 62.4 | rotating_bending | 774 | 112.3 | -1 | machined |
| steel_4340_QT | 5,000 | 860 | 124.7 | 430 | 62.4 | rotating_bending | 680 | 98.6 | -1 | machined |
| steel_4340_QT | 10,000 | 860 | 124.7 | 430 | 62.4 | rotating_bending | 633 | 91.8 | -1 | machined |
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aluminum_2024_T3_machined3 rowsaluminum_2024_T3_shot_peened3 rowsaluminum_2024_T43 rowsaluminum_6061_T63 rowsaluminum_7075_T63 rowsaluminum_7075_T6_corroded3 rowsaluminum_7075_T6_machined3 rowscast_iron_gray_303 rowscopper_C11000_annealed3 rowsinconel_718_650C3 rowsinconel_718_RT3 rowsstainless_3043 rows