4 00 



200 



100 



80 

 60 



40 



20 



10 



.1 



P 



m 



j^. 



- O MPY 



• Max. Pit Depth, Mils. 



A Crevice Corrosion, Depth, Mils. 



P Perforated 



lP«Al iQAAi 



1111 — :: 



-CLA. 



io*AJ 



IQ'M £d 



HI — 



i 



Days 181 

 Depth, Ft. 5 



197 

 2,500 



123 

 6,000 



398 

 5 



402 

 2,500 



403 

 6,000 



751 

 6,000 



1064 

 6,000 



Figure 16. Corrosion rates, maximum pit depths and crevice corrosion of AISI 

 Type 316 stainless steel in seawater at the surface and at depth. 



75 



