| Strength
and Mechanics of Materials Soderberg Method
| Where: |
 |
= Amplitude of normal (shear) stress [MPa,psi] |
 |
= Endurance limit at constant strength [MPa,psi] |
 |
= Mean cycle stress [MPa,psi]] |
 |
= Yield tensile strength [MPa,psi] |
 |
= Yield tensile strength
[MPa,psi] |
 |
= Yield shear strength [MPa,psi]
when SYS 
.577 SY |
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