When the time of wetness (TOW) falls in category three (T3)
Steel |
Copper & Zinc |
Aluminum |
||
S0 or S1 |
P1 |
C2-3 |
C3 |
C3 |
.. |
P2 |
C3-4 |
C3 |
C3 |
.. |
P3 |
C4 |
C3 |
C3-4 |
S2 |
P1 |
C3-4 |
C3 |
C3-4 |
.. |
P2 |
C3-4 |
C3-4 |
C4 |
.. |
P3 |
C4-5 |
C3-4 |
C4-5 |
S3 |
P1 |
C4 |
C3-4 |
C4 |
.. |
P2 |
C4-5 |
C4 |
C4-5 |
.. |
P3 |
C5 |
C4 |
C5 |