Marine Alloy
Performance - Martyr I & Martyr II Anodes

SPECIFICATIONS

MARTYR I
ZINC ANODES

MARTYR II
ALUMINUM ANODES

CAPACITY, ampere-hours per poun

355

1225

EFFICIENCY (test

95%

94%

CONSUMPTION, pound per ampere-yea

24.5lbs

7.6lbs

POTENTIAL (reference Cu/Cu SO4

-1050mV

-1100mV



Composition - Martyr I & Martyr II Anodes

COMPOSITION

U.S. Military Specification*
MIL-A-18001K
Martyr I  Zinc Alloy

U.S. Military Specification*
MIL-A-24779(SH)
Martyr II Aluminum Alloy

Cadmium

0.025% - 0.07%

-

Copper

0.005% Max.

0.004% Max.

Iron

0.005% Max.

0.090% Max.

Indium

-

0.014% - 0.020%

Lead

0.006% Max.

-

Mercury

-

0.001% Max.

Silicon

-

0.08% - 0.20%

Aluminum

0.1% - 0.5%

Remainder

Zinc**

Remainder

4.0% - 6.5%



Comparison between Martyr I & Martyr II Anodes

Martyr I (Zinc Anodes)

 

Martyr II (Aluminum Anodes)

355 Ampere hours per pound   1225 Ampere hours per pound
355 Ampere hours per pound   1225 Ampere hours per pound
This means a Zinc anode will give one amp for 355 hours  for every pound of Zinc   This means an Aluminum anode will give one amp for 1225 hours for every pound of Aluminum
Take a typical Z3 (weight=4.68 kg) as seen on page 47
Total ampere hours 3656
  Take a typical AZ3 (weight = 2.7 kg) as seen on page 47
Total ampere hours 6125
Assuming the anode performs at 0.5 amp   Assuming the anode performs at 0.5 amp
This anode will last for 7312 hours   This anode will last for 12250 hours
Which is 304 days   Which is 510 days
Which is 10 months   Which is 16.5 months

 
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