LEGEND 



Copper-Nickel Alloy 90-10 



water sediment 

 6,000 ft O • 



2,500 ft V ▼ 



Surface, Pacific 



Copper-Nickel Alloy 70-30, 0.5% Fe 



water sediment 



6,000 ft am 



2,500 ft O ♦ 



Surface, Pacific I I 



3 - 



Copper-Nickel Alloy 70-30, 5% Fe 



water sediment 

 6.000 ft A ▲ 



2,500 ft O • 



Surface, Pacific 



200 



400 



600 800 



Exposure (days) 



1000 



1200 



1400 



Figure 38. Corrosion rates of copper- nickel alloys. 



