Table 5. Continued 



Alloy 



Exposure 

 (day) 



Depth 

 (ft) 



Corrosion Rate (mpy)' 



Type of 

 Corrosion ■ 



Source 



w fc 



M 



12% Ni, maraging 



197 



2,340 



2.4 



- 



G 



Boeing (6) 



18% Ni, maraging 



123 



5,640 



3.6 



- 



U 



NADC (7) 



18% Ni, maraging 



189 



5,900 



2.2 



1.7 



U 



CEL (4) 



18% Ni, maraging 



403 



6,780 



1.6 



- 



u 



NADC (7) 



18% Ni, maraging 



197 



2,340 



1.6 



- 



G 



Boeing (6) 



18% Ni, maraging 



197 



2,340 



2.9 



- 



u 



NADC (7) 



18% Ni, maraging 



402 



2,370 



1.3 



_ 



u 



NADC (7) 



18% Ni, maraging 



402 



2,370 



1.3 



0.9 



G 



CEL (4) 



18% Ni, maraging 



402 



2,370 



1.5 



0.8 



G 



INCO (3) 



18% Ni, maraging (as rolled) 



402 



2,370 



1.4 



1.3 



G 



CEL (4) 



18% Ni, maraging (machined) 



402 



2,370 



1.3 



1.2 



G 



CEL (4) 



18% Ni, maraging 



402 



2,370 



3.5 



2.6 



G 



CEL (4) 



18% Ni, maraging' 



402 



2,370 



2.8 



1.7 



G 



CEL (4) 



18% Ni, maraging 



181 



5 



5.4 



- 



U, P 



CEL (4) 



18% Ni, maraging 



181 



5 



10.0 



- 



P 



INCO (3) 



18% Ni, maraging 

 18% Ni, maraging 



181 



5 



5.8 



- 



u 



CEL (4) 



181 



5 



5.1 



- 



u 



CEL (4) 



18% Ni, maraging 



366 



5 



7.0 



- 



p 



INCO (3) 



18% Ni, maraging 



398 



5 



3.0 



- 



U,P 



CEL (4) 



18% Ni, maraging 



588 



5 



3.1 



- 



G, C, P 



CEL (4) 



18% Ni, maraging 



364 



5 



4.0 



- 



G, P 



CEL (4) 



18% Ni, maraging 



723 



5 



3.5 



- 



G,P 



CEL (4) 



18% Ni, maraging 

 18% Ni, maraging 

 18% Ni, maraging 

 18% Ni, maraging 



763 



5 



4.1 



- 



G 



CEL (4) 



364 



5 



4.0 



- 



P, WB(G) 



CEL (4) 



723 



5 



3.3 



- 



G, P 



CEL (4) 



763 



5 



3.9 



- 



G 



CEL (4) 



1.5% Ni steel 



123 



5,640 



3.5 



2.7 



U 



INCO (3) 



1.5% Ni steel 



403 



6,780 



1.7 



0.8 



G 



INCO (3) 



1.5% Ni steel 



751 



5,640 



1.0 



0.5 



G 



INCO (3) 



1.5% Ni steel 



1,064 



5,300 



0.7 



0.7 



U 



INCO (3) 



1.5% Ni steel 



197 



2,340 



1.9 



0.5 



U 



INCO (3) 



1.5% Ni steel 



402 



2,370 



1.5 



1.2 



U 



INCO (3) 



1.5% Ni steel 



181 



5 



11.0 



- 



G 



INCO (3) 



1.5% Ni steel 



366 



5 



8.0 



- 



G 



INCO (3) 



3% Ni steel 



123 



5,640 



3.4 



3.0 



U 



INCO (3) 



3% Ni steel 



403 



6,780 



1.9 



0.4 



C (2), G 



INCO (3) 



3% Ni steel 



751 



5,640 



0.9 



0.9 



G 



INCO (3) 



3% Ni steel 



1,064 



5,300 



0.9 



0.6 



U 



INCO (3) 



3% Ni steel 



197 



2,340 



1.7 



0.4 



G 



INCO (3) 



3% Ni steel 



402 



2,370 



1.3 



1.0 



G 



INCO (3) 



3% Ni steel 



181 



5 



11.0 



- 



G 



INCO (3) 



3% Ni steel 



366 



5 



8.0 



- 



G 



INCO (3) 



5% Ni steel 



123 



5,640 



2.8 



2.8 



U 



INCO (3) 



5% Ni steel 



403 



6,780 



2.8 



0.4 



C (6), G 



INCO (3) 



5% Ni steel 



751 



5,640 



1.1 



0.8 



G 



INCO (3) 



5% Ni steel 



1,064 



5,300 



0.7 



0.5 



U 



INCO (3) 



5% Ni steel 



197 



2,340 



1.7 



0.4 



G 



INCO (3) 



5% Ni steel 



402 



2,370 



1.3 



1.1 



U 



INCO (3) 



27 



