200 

























P 





P 



r 1 



P 





100 



— 



A 





: 





&' 





















80 









o 













60 



O 











40 















20 

 10 







O MPY 



-• Max. Pit Depth, Mils. — 



A Crevice Corrosion, 

 Depth, Mils. 













P Perforated 











8 





o 



* 







6 















S 4 

 o 























3 a 





i 

















.8 























.6 





















.4 





o 



# A 













A 















* A 







A 











.2 







1 



mm wmm mm*\ 



Days 181 

 Depth, Ft. 5 



Figure 35. 



197 

 2,500 



402 

 2,500 



403 

 6,000 



181 

 5 



197 

 2,500 



402 

 2,500 



403 

 6,000 



Corrosion rates, maximum pit depths and crevice corrosion of 

 welded PH14-8Mo-SRH950 precipitation hardening stainless steel 

 in seawater at the surface and at depth. 



94 



