Table 11. Corrosion of Cast Irons in Sea Water 



Alloy 



Exposure 



Corrosion 

 Rate 



Mpyd) 



Corrosion 

 Type(2) 



Source^ -*' 



Days 



Depth, 

 Ft 



Cray 

 Gray 

 Cray 





366 

 402 

 403 



5 

 2370 

 6780 



2.6 

 1.7 

 1.8 



G 



U 

 U 



INCO (10) 

 (10) 



INCO 



INCO 



Nickel 

 Nickel 

 Nickel 





366 



402 

 403 



5 

 2370 

 6780 



7.6 

 1.5 

 2.9 



c 

 u 



V 



(10) 

 INCO 



INCO Q) 



INCO 



Ni-Cr #1 

 Ni-Cr in 

 Ni-Cr "1 





366 

 402 

 403 



5 

 2370 

 6780 



5.2 

 1.8 



1.7 



u 

 u 

 u 



INCO (10) 

 INCO (1°) 

 INCO (1°) 



Ni-Cr 112 

 Ni-Cr #2 

 Ni-Cr in 





366 

 402 

 403 



5 



2370 

 6780 



4.9 

 1.8 

 1.8 



c 



V 



V 



INCO (10) 

 INCO 10 

 INCO (1°) 



Ductile "1 

 Ductile Itl 

 Ductile 111 





366 

 402 

 403 



5 

 2370 

 6780 



6.2 

 1.9 



3.4 



CR(24m) 



U 



C 



INCO (10) 

 INCO 1° 

 INCO (1°) 



Ductile ill 

 Ductile 112 

 Ductile m 





366 

 402 

 403 



5 

 2370 

 6 780 



7.1 

 1.8 

 2.9 



C 



u 



G 



INCO (1°) 

 INCO C10 

 INCO (1°) 



Silicon 

 Silicon 

 Silicon 





366 

 402 

 403 



5 

 2370 

 6780 



-0.1 

 '0.1 



-0.1 



ET 

 NC 

 NC 



INCO (10) 

 INCO !0 

 INCO (1°) 



Si-Mo 

 Si -Mo 

 Si -Mo 





366 

 402 

 403 



5 

 2370 

 6780 



-0.1 

 -0.1 

 -0.1 



ET 

 NC 

 NC 



INCO (10) 

 INCO 10 

 INCO (1°) 



Austenitic , 

 Austeni t ic , 

 Austenitic , 



Type 1 



Type 1 

 Type 1 



366 

 402 

 403 



5 

 2370 

 6780 



2.7 

 1.5 

 1.0 



U 

 U 



u 



INCO (10) 

 INCO 10 

 INCO (1°) 



Austenitic , 

 Austenitic , 

 Austenitic , 



Type 2 

 Type 2 

 Type 2 



366 

 402 

 403 



5 

 2370 

 6780 



2.9 

 1.1 

 2.2 



u 

 u 



u 



INCO (1°) 

 INCO 10 

 INCO CIO) 



47 



