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Product Details:
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Material: | Mg | Application: | For Boat , Hull |
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Name: | Magnesium Anode With Plastisol Coating | Shape: | Square , Round, Cylinder |
Core: | Galvanized Steel | Chemical: | Mg,Mn |
Testing: | ASTM G97 America | Usage: | Condensers ,ballast Tanks, Craypots,ship Tanks,pipelines |
Dimensions: | H-1 | Product Name: | Magnesium Anode With Plastisol Coating |
Commodity : Magnesium anode with Plastisol coating
Material : Magnesium
Application : for Boat, vessel etc.
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usage
The corrosion of metal in salt or fresh water or in soil can be prevented by the use of galvanic anodes in a cathodic protection system. Magnesium anodes are used in such systems, most commonly to protect underground gas, oil and water pipelines.
Production standard:
Standard : ASTM G-97
Chemical compositions of cast magnesium anode (%) |
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Element |
High potential |
AZ63B |
AZ63C |
AZ63D |
Al |
<0.01 |
5.30-6.70 |
5.30-6.70 |
5.0-7.0 |
Zn |
--- |
2.50-3.50 |
2.50-3.50 |
2.0-4.0 |
Mn |
0.5-1.30 |
0.15-0.70 |
0.15-0.07 |
0.15-0.70 |
Si (max) |
0.05 |
0.10 |
0.30 |
0.30 |
Cu (max) |
0.02 |
0.02 |
0.05 |
0.10 |
Ni (max) |
0.001 |
0.002 |
0.003 |
0.003 |
Fe (max) |
0.03 |
0.005 |
0.005 |
0.005 |
Others each |
0.05 |
--- |
-- |
--- |
Others total |
0.30 |
0.30 |
0.30 |
0.30 |
Mg |
Balance |
Balance |
Balance |
Balance |
Electrochemical Properties of cast magnesium anodes |
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Item |
Open-circuit Voltage |
Close-circuit Voltage |
Actual capacitance |
Current efficiency |
|
(-V) |
(-V) |
(A.h/g) |
(%) |
High Potential |
1.70-1.75 |
1.57-1.62 |
≥ 1.100 |
≥ 50 |
Low Potential (AZ63) |
1.50-1.55 |
1.45-1.50 |
≥ 1.105 |
≥ 50 |
Note: Open and Close-circuit voltage is relative to Saturated Calomel Electrode (SCE) |