Table 2.

Parameters of the instantaneous corrosion process for the samples studied in rainwater.

Sample	C45	I-Zn	II-Zn/Fe	III-Mn	OPS	PPS
E(I = 0), mV	−686	−420	−326	−465	passivated	passivated
Rp, kΩ·cm2	11.17	19.40	16.67	14.79	-	-
jcor, µA/cm2	3.15	1.89	2.49	2.38	-	-
vcor, µm/year	38.30	22.97	30.26	28.94	-	-
ba, mV/decade	196	218	163	154	-	-
bc, mV/decade	−283	−234	−410	−263	-	-