EAC	Environmentally assisted cracking
C.V.	coefficient of variation
K Ι	stress intensity factor
a	Actual crack size
c	Physical crack size including plastic zone
M	atomic weight of the metal
Z	change in charge due to the oxidation process
ρ	density of the metal
F	Faraday’s constant
i 0	oxidation current density of the bare surface
m	exponent of the current decay curve
t 0	time before the onset of the current decay
ε f	degradation strain of the protective film
${\dot{\epsilon }}_{\mathrm{ct}}$	strain rate at the crack tip
ε p	tensile plastic strain
r 0	characteristic distance
${\kappa }_a^{\prime }$	The oxidation rate constant
E	Young’s Modulus
ν	Poisson’s ratio
σ 0	Yield strength
α	Yield offset
n	Hardening exponent
W	Specimen width
σ θ	hoop stress of the pressure pipeline
P	internal pressure of pressure pipeline
D	diameter of pressure pipeline
b	wall thickness of the AP1000 reactor pressure pipeline
${\epsilon }_{\mathrm{p}}^{22}$	Normal plastic strain
${\dot{\epsilon }}_{\mathrm{p}}$	tensile plastic strain rate