Table 54. Continued. 



Alloy 



Environment' 



Exposure 



Depth 



Corrosion 



Source 





Maximum 



Crevice 









(day) 



(ft) 



Rate 



(mpy) 



Pit Depth 

 (mils) 



Depth^ 

 (mils) 



_ b 

 Type 





Ni-Cr-Mo, cast 



S 



1,064 



5,300 



<0.1 











NC 



INCO (3) 



Ni-Cr-Mo, cast 



W 



197 



2,340 



<0.1 











NC 



INCO (3) 



Ni-Cr-Mo, cast 



S 



197 



2,340 



<0.1 







I 



I-C 



INCO (3) 



Ni-Cr-Mo, cast 



W 



402 



2,370 



<0.1 







I 



1-C 



INCO (3) 



Ni-Cr-Mo, cast 



S 



402 



2,370 



<0.1 







I 



I-C 



INCO (3) 



Ni-Cr-Mo, cast 



W 



181 



5 



<0.1 











NC 



INCO (3) 



Ni-Cr-Mo, cast 



w 



366 



5 



<0.1 











NC 



INCO (3) 



Ni-Cr-Mo-Si, cast 



w 



123 



5,640 



<0.1 











NC 



INCO (3) 



Ni-Cr-Mo-Si, cast 



s 



123 



5,640 



<0.1 











NC 



INCO (3) 



Ni-Cr-Mo-Si, cast 



w 



403 



6,780 



<0.1 











NC 



INCO (3) 



Ni-Cr-Mo-Si, cast 



s 



403 



6,780 



<0.1 











NC 



INCO (3) 



Ni-Cr-Mo-Si, cast 



w 



751 



5,640 



<0.1 











NC 



INCO (3) 



Ni-Cr-Mo-Si, cast 



s 



751 



5,640 



<0.1 











NC 



INCO (3) 



Ni-Cr-Mo-Si, cast 



w 



1,064 



5,300 



<0.1 











NC 



INCO (3) 



Ni-Cr-Mo-Si, cast 



s 



1,064 



5,300 



<0.1 











NC 



INCO (3) 



Ni-Cr-Mo-Si, cast 



w 



197 



2,340 



<0.1 











NC 



INCO (3) 



Ni-Cr-Mo-Si, cast 



s 



197 



2,340 



<0.1 











NC 



INCO (3) 



Ni-Cr-Mo-Si, cast 



w 



402 



2,370 



<0.1 











NC 



INCO (3) 



Ni-Cr-Mo-Si, cast 



s 



402 



2,370 



<0.1 











NC 



INCO (3) 



Ni-Cr-Mo-Si, cast 



w 



181 



5 



<0.1 











NC 



INCO (3) 



Ni-Cr-Mo-Si, cast 



s 



366 



5 



<0.1 











NC 



INCO (3) 



RL-35-100, cast 



w 



123 



5,640 



0.3 











G 



INCO (3) 



RL-35-100, cast 



s 



123 



5,640 



0.5 











G 



INCO (3) 



RL-35-100, cast 



w 



403 



6,780 



<0.1 











G 



INCO (3) 



RL-35-100, cast 



s 



403 



6,780 



0.3 











G 



INCO (3) 



RL-35-100, cast 



w 



751 



5,640 



<0.1 











U-ET 



INCO (3) 



RL-35-100, cast 



s 



751 



5,640 



0.3 











ET 



INCO (3) 



RL-35-100, cast 



w 



1,064 



5,300 



0.7 











G 



INCO (3) 



RL-35-100, cast 



s 



1,064 



5,300 



0.1 











G 



INCO (3) 



RL-35-100, cast 



w 



197 



2,340 



<0.1 











NC 



INCO (3) 



RL-35-100, cast 



s 



197 



2,340 



<0.1 











NU-ET 



INCO (3) 



W - Totally exposed in seawater on sides of structure; S = Exposed in base of structure so that the lower portions of the specime 

 were embedded in the bottom sediments. 



Symbols for types of corrosion: 







C 



= Crevice 



NC 



= No visible corrosion 



E 



= Edge 



NU 



= Nonuniform 



ET 



= Etched 



P 



= Pitted 



G 



= General 



SL 



= Slight 



1 



= Incipient 



U 



= Uniform 



Numbers refer to references at end of report. 



183 



