Location and water |
Type of zinc |
Years |
Agitation |
Corrosion rate (mm/year) |
Gatun Lake, Canal Zone Tropical fresh water |
Intermediate |
4 |
Stagnant |
13 |
Gatun Lake, Canal Zone Tropical fresh water |
Intermediate |
8 |
Stagnant |
10 |
Pedro Miguel locks, Panama Fresh water |
Special high grade |
5 |
|
18 |
Pedro Miguel locks, Panama Fresh water |
High grade |
5 |
|
13 |
Pedro Miguel locks, Panama Fresh water |
Intermediate |
5 |
|
11 |
Pedro Miguel locks, Panama Fresh water |
Select |
5 |
|
14 |
Pedro Miguel locks, Panama Fresh water |
Prime Western |
5 |
|
13 |
Ampari River, Brazil Fresh water |
|
0.4 |
2.8 ft/s flow |
137 |
Ampari River, Brazil Fresh water |
|
0.45 |
2.2 ft/s flow |
198 |
Source: Porter, F. C. Corrosion Resistance of Zinc and Zinc Alloys. Dekker, New York, 523pp. 1994. |