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Extruded Magnesium Anode Rod


Extruded magnesium anode rod is an excellent sacrificial rod. It is the most common type of anode rods used to protect the inside metal surface of your water heater tank. Extruded magnesium anode rods are mainly used in water boiler, heat exchanger, water container, house heaters, RV heaters, water dispenser, heat plumbing, oil, natural gas, coal gas, etc. It makes a positive contribution to prolong the using span of the facilities. Extruded magnesium anode rods protect life of those appliances and equipments with low cost. Magnesium anode rods tend to be consumed quicker than Aluminum or Aluminum/Zinc/Tin anode rods due to the higher voltage they create during the sacrificial process. CORROCO offers several sizes of extruded magnesium anode rods. Besides, we can also provide products according to customers' requirements.

Compositions of Extruded Magnesium Anode Rod















Other Imp. (max)



MGAZ31B Balance 0.2-1.0 0.6-1.4 2.5-3.5 0.08 0.01 0.001 0.002 0.05 0.30
MGAZ63B Balance 0.15-0.60 2.5-3.5 5.3-6.7 0.08 0.01 0.001 0.003 0.05 0.30
MGM1C Balance 0.15-1.3 - <0.01 0.08 0.01 0.001 0.01 0.05 0.30

Electrochemical properties of This Magnesium Anode Rod:


Open-Circuit Voltage

(-v respect to Cu/CuSO4)

Close-Circuit Voltage

(-v respect to Cu/CuSO4)

Actual Capacity

(A. h/Kg)

Current Efficiency

%( Cu/CuSO4)

MGAZ31B 1.57-1.67 1.47-1.57 ≥1210 ≥55
MGAZ63B 1.57-1.67 1.52-1.57 ≥1210 ≥55
MGM1C 1.77-1.82 1.64-1.69 ≥1100 ≥50

Specifications of Extruded Magnesium Anode Rod:

Anode Dia (mm)

Core Dia (mm)


Unit Weight(g/cm)

Ø13.97 Ø2.0 NPT-ASTM/BSP/G/R 2.83
Ø19.05 Ø3.4 NPT-ASTM/BSP/G/R 5.66
Ø21.34 Ø3.4 NPT-ASTM/BSP/G/R 6.85
Ø26.67 Ø3.4 NPT-ASTM/BSP/G/R 10.42
Ø33.40 Ø3.4 NPT-ASTM/BSP/G/R 16.08
Ø39.65 Ø4.8 NPT-ASTM/BSP/G/R 23.07
Ø51.40 Ø4.8 NPT-ASTM/BSP/G/R 37.96
Corroco International Industrial Co., Ltd is a professional manufacturer and supplier of extruded magnesium anode rods in China. In addition, we also produce extruded aluminum anode rod, casting anode rod, hydrometallurgical electrode, hydrometallurgical equipment, metallurgy technology and engineering, water valve, machining and parts, etc. With powerful electrochemistry and smelting manufacturing experts group and 12 years' production experience, our products have been exported to the United States, Canada, Britain, Germany, Iran, Pakistan, India, Kuwait, Dubai, Saudi Arabia, the Philippines, Malaysia, Singapore, Congo, Turkey, etc.
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