50 



40 



30 

 20 



10 



.6 



.4 



&. 





O MPY 



• Max. Pit Depth, Mils. 



A Crevice Corrosion, Depth, Mils. 



^ „. 1 





O 



A 



: : 



SHL 



Ql. 



Days 182 

 Depth, Ft. 5 



197 

 2,500 



123 

 6,000 



366 



5 



402 

 2,500 



403 

 6,000 



751 1064 



6,000 6,000 



Figure 41. Corrosion rates, maximum pit depths and crevice corrosion of 

 Ni-Cr-Cu-Mo#2 stainless steel in seawater at the surface and 

 at depth. 



100 



