CP Design Center

Anode Comparison Table

Anode Environment Consumption
Rate
lb/amp-year
Design
Current
Density
amps/SqFt
Size Weight
pounds
Surface
Area
Sq Ft.
Max*
Design
Output
(soil) Amps
Steel   20.0 None        
Graphite Soil 1.0 0.5        
  Freshwater 2.0 NR        
  Saltwater 0.5 2.0        
        3" x 60" 30 4.0 2.0
        4" x 80" 72 7.3 3.6
HISI Cast Iron Soil 0.7 1.0        
  Freshwater 1.0 2.5        
  Saltwater 0.5 2.5        
        1.5" x 60" 27 2.0 2.0
        2" x 60" 44 2.6 2.6
        2" x 60" 60 2.7 2.7
        3" x 60" 110 4.0 4.0
        4.5" x 60" 220 5.5 5.5
        2.2" x 84" 50 4.2 4.2
        2.6" x 84" 64 4.9 4.9
        3.8" x 84" 95 7.0 7.0
        4.8" x 84" 122 8.8 8.8
Platinum Soil NR NR        
  Freshwater 8 mg/A-yr 50        
  Saltwater 8 mg/A-yr 50        
Mixed Metal Oxide Soil 5 mg/A-yr 10        
  Freshwater 5 mg/A-yr 10        
  Saltwater 1 mg/A-yr 50        
        1.6 x 50 cm NA 0.275 2.5
        1.6 x 100 cm NA 0.56 5.0
        2.5 x 50 cm NA 0.44 4.0
        2.5 x 100 cm NA 0.88 8.0
Conductive Polymer Soil   16 ma per LF        
  Freshwater   3 ma per LF        
  Saltwater   NR        

* based on coke breeze backfill



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