Question

Tensile Tests on Mild Steel

Calculate Factor of Safety if Yield stress is 550mpa, Ultimate stress is 950mpa and the Design stress is 325mpa

Answer 1

Factor of safety can be defined as the ratio of ultimate stress to the design stress. It is a constant factor that is considered for designing of machine components or structure beyond its working strength.

$F.O.S=\frac{Ultimate}{Design}=\frac{950}{325}\approx2.92$