100 

 80 

 60 



40 



20 



10 















jf 



























— 



#a 



• 



1 A 

 : p 



o 



Ml 

 Mi 

 Ci 

 Pe 



PY 



ix. Pit 

 evice 

 rforate 



D 

 Co 

 3d 



spth, ]\ 

 rrosioi 







Iil 



• A. 



3. 



Depth, 



— 1 

 M 



— 



# A 



Is. 



— 



Days 197 123 402 403 751 1064 

 Depth, Ft. 2,500 6,000 2,500 6,000 6,000 6,000 



Figure 36. Corrosion rates, maximum pit depths and crevice corrosion of 

 15-7AMV, annealed precipitation hardening stainless steel in 

 seawater at depth. 



95 



