AISI 1040 Carbon Steel Annealed Mechanical Properties

AISI 1040, annealed, Mechanical properties

Young’s modulus	208	–	216	GPa
Specific stiffness	26.5	–	27.5	MN.m/kg
Yield strength (elastic limit)	315	–	390	MPa
Tensile strength	475	–	575	MPa
Specific strength	40.1	–	49.7	kN.m/kg
Elongation	24	–	36	% strain
Compressive strength	315	–	390	MPa
Flexural modulus	208	–	216	GPa
Flexural strength (modulus of rupture)	315	–	390	MPa
Shear modulus	80	–	85	GPa
Bulk modulus	161	–	176	GPa
Poisson’s ratio	0.285	–	0.295
Shape factor	58
Hardness – Vickers	143	–	173	HV
Elastic stored energy (springs)	236	–	355	kJ/m^3
Fatigue strength at 10^7 cycles	254	–	291	MPa
Fatigue strength model (stress range) Parameters: Stress Ratio = -1, Number of Cycles = 1e7cycles	222	–	332	MPa
AISI 1040, annealed, Mechanical properties