UFC 3-570-06
JANUARY 31 2003
Table 2-8. Sacrificial Anodes Available Voltage for Cathodic Protection
POTENTIAL DIFFERENCE (DRIVING FORCE) FOR CATHODIC PROTECTION
MAGNESIUM
ZINC ANODES
ALUMINUM ANODES
ANODES
Protected
Standard
Standard Seawater
Type I
Type Ii
Type III
High
Structure
Purity
Steel
0.7
0.9
0.25
0.25
0.25
0.25
0.3
Aluminum
0.45
0.65
0
0
0
0
0.05
Stainless
0.7
0.9
0.25
0.25
0.25
0.25
0.3
Steel
Copper
1.05
1.25
0.6
0.6
0.6
0.6
0.65
2-34
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