Aluminum Marine Structure Anodes
Aluminum anodes have a lower consumption rate than magnesium or zinc anodes and are used for the protection of structures primarily in seawater and brackish water environments.
|
Element |
Type Galvalum III |
DNV-RP-B401-2011 |
GS EP COR 201 |
|
Al-Zn-In-Si |
Al-Zn-In |
Al-Zn-In |
|
|
Zinc (Zn) |
2.0~6.0% |
2.5~5.75% |
4.75 ~ 5.75% |
|
Indium (In) |
0.01~0.02% |
0.015 ~ 0.04% |
0.015 ~ 0.02% |
|
Cadmium (Cd) |
/ |
0.002% Max |
0.002% Max |
|
Silicon (Si) |
0.08~0.20% |
0.12% Max. |
0.06 ~ 0.12% |
|
Iron (Fe) |
0.13% |
0.09% Max. |
0.12% Max. |
|
Copper (Cu) |
0.006% Max. |
0.003% Max. |
0.003% Max. |
|
Others Total |
0.10% Max. |
0.10% Max. |
0.10% Max. |
|
Aluminum (Al) |
Remainder |
Remainder |
Remainder |
