A 1045 hot-rolled steel tension test specimen has a diameter of 5.50 mm and a gage length of 27 mm. In a test to fracture, the stress and strain data below were obtained.
Determine (a) the modulus of elasticity.
(b) the proportional limit.
(c) the ultimate strength.
(d) the yield strength (0.05% offset).
(e) the yield strength (0.20% offset).
(f) the fracture stress.
(g) the true fracture stress if the final diameter of the specimen at the location of the fracture was 3.99 mm