100 



80 



60 

 40 



20 



10 



ft 4 



§ 2 — j 



• A 



O 



J! 



ftAJ lQ#Al 



O 



A 



Q • 



O MPY 



• Max. Pit Depth, Mils 



A Crevice Corrosion, 

 Depth, Mils. 



P Perforated 



1q»aI I q «a1 1q »a1 



Days 182 197 123 366 402 403 751 1064 



Depth, Ft. 5 2,500 6,000 5 2,500 6,000 6,000 6,000 



Figure 22. Corrosion rates, maximum pit depths and crevice corrosion of AISI 

 Type 330 stainless steel in seawater at the surface and at depth. 



81 



