Mechanical Performance versus Corrosion Damage Indicators for Corroded Steel Reinforcing Bars

Table 7

Ranges for corrosion rates related to exposure classes immediately after corrosion initiation () [24].

Exposure class	Corrosion current density [A/cm²]	Corrosion rate [m/year]
X0	≈0,01	0,12
XC1	≈0,01	0,12
XC2	0.1–0.5	1.16–5.80
XC3	0.05–0.2	0.58–2.32
XC4	0.01–0.5	0.12–5.80
XD1	0.1–0.2	1.16–2.32
XD2	0.1–0.5	1.16–5.80
XD3	0.5–5.0	5.80–58.10
XS1	0.5–5.0	5.80–58.10
XS2	0.1–1.0	1.16–11.60
XS3	1.0–10.0	11.6–1160