200 



100 

 80 

 60 



40 

 20 

 10 



§ 4 



_nr~WS-s 



O 



• 



P 



MPY 



Max. Pit Depth, Mils. 



Crevice Corrosion, Depth, Mils. 



Perforated 



H 



ijQAAi 



• A 



Oil lot 



£ : : 



Q • 



klMM 



Days 



181 



197 



123 



398 



402 



403 



751 



1064 



, Ft. 



5 



2,500 



6,000 



5 



2,500 



6,000 



6,000 



6,000 



Figure 9. Corrosion rates, maximum pit depths and crevice corrosion of AISI 

 Type 302 stainless steel in seawater at the surface and at depth. 



68 



