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Extruded Magnesium Anode Rod
Main Features: Corrosion protection, water heater, water storage vessel, pre-polarization of steel structure in seawater and steel structure in high resistance electrolyte (soil & water) for gas service Chemical Composition of Extruded Magnesium Anode Rod (%)
|
Grade |
Mg |
Al |
Mn |
Zn |
Ca |
Si |
Cu |
Ni |
Fe |
Other Impurity (Max.) |
|
|
Single |
Total |
||||||||||
|
AZ31B |
margin |
2.5-3.5 |
0.2-1.0 |
0.6-1.4 |
0.04 |
0.10 |
0.01 |
0.001 |
0.005 |
- |
0.30 |
|
AM31D |
margin |
2.5-3.5 |
0.2-1.0 |
0.6-1.4 |
0.04 |
0.05 |
0.01 |
0.001 |
0.002 |
0.01 |
0.30 |
|
High Potential |
margin |
0.01 |
0.5-1.3 |
- |
- |
- |
0.02 |
0.001 |
0.03 |
0.05 |
0.30 |
Various Diameters of Anode Rod (Two Flat End)
|
Diameter |
Core Wire Centring (inch) |
Core Wire Diameter |
Straightness within 2 feet (inch) |
Approximate Weight |
|
0.500-0.020 |
∠0.040 |
0.135 |
0.060 |
0.015 |
|
0.675-0.020 |
∠0.050 |
0.135 |
0.060 |
0.025 |
|
0.700-0.020 |
∠1/16 |
0.135 |
0.040 |
0.027 |
|
0.750-0.020 |
∠1/16 |
0.135 |
0.040 |
0.031 |
|
0.800-0.020 |
∠1/16 |
0.135 |
0.040 |
0.035 |
|
0.840-0.020 |
∠1/16 |
0.135 |
0.040 |
0.038 |
|
0.900-0.020 |
∠1/16 |
0.135 |
0.040 |
0.043 |
|
1.050-0.020 |
∠1/16 |
0.135 |
0.040 |
0.057 |
|
1.315-0.020 |
∠1/16 |
0.135 |
0.040 |
0.089 |
|
1.561±0.016 |
∠1/16 |
0.188 |
0.050 |
0.125 |
|
2.024±0.024 |
∠1/8 |
0.188 |
0.050 |
0.208 |
|
2.562±0.024 |
∠1/8 |
0.188 |
0.050 |
1/3 |
Extruded Magnesium Anode Rod for Electric Water Heater Extruded magnesium anode are mainly used in water heater, heat exchanger, evaporator, boiler and other equipment, having the features of softening water quality, sewage decontamination, prolonging service life of main engine. Chemical Compositions of Extruded Magnesium Rod Anodes
|
Type |
Mg |
Al |
Mn |
Zn |
Ca |
Si |
Cu |
Ni |
Fe |
Other Impurity |
Lmp |
|
Each |
Total |
||||||||||
|
AZ31 |
margin |
2.5-3.5 |
0.2-0.1 |
0.7-1.3 |
0.04 |
0.05 |
0.01 |
0.001 |
0.005 |
0.001 |
0.30 |
|
Mg-Mn |
margin |
0.01 |
0.5-1.3 |
- |
- |
0.05 |
0.02 |
0.001 |
0.03 |
0.05 |
0.30 |
Electrochemical Properties of Extruded Magnesium Rod Anodes
|
|
Open Circuit Potential(-v) |
Closed Circuit Potential(-v-) |
Actual Capacitance(A.H/g) |
Current Efficiency(%) |
|
AZ31 |
1.50-1.55 |
1.45-1.50 |
≥1.105 |
≥50 |
|
Mg-Mn |
1.70-1.75 |
1.57-1.62 |
≥1.100 |
≥50 |
Size of Extruded Magnesium Rod Anodes
|
Diameter |
Theoretical Weight/meter(g) |
|
0.551/14 |
330 |
|
0.630/16 |
420 |
|
0.689/17.5 |
477 |
|
0.784/19 |
542 |
|
0.827/21 |
668 |
|
1.024/26 |
1005 |
|
1.300/33 |
1580 |
Note: the length can be changed by the requirement of users within 6 meters. Extruded Magnesium Anode Rod for Water Heater
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