Table 66. Continued. 



Alloy 



Environment 



Exposure 

 (day) 



Depth 

 (ft) 



Corrosion 



Source 



Rate 

 (mpy) 



Maximum 



Pit Depth 



(mils) 



Crevice 

 Depth 6 



(mils) 



Type 



Alclad 3003-H12 



S 



1,064 



5,300 



0.8 



16 



13 



c ; p* 



CEL(4) 



Alclad 3003 



S 



1,064 



5,300 



0.6 











U 



INCO (3) 



Alclad 3003-H12 



VV 



197 



2,340 



2.2 



15 



13 



C;P £ 



CEL (4) 



Alclad 3003 



W 



197 



2,340 



2.3 











G . 



INCO (3) 



Alclad 3003-H12 



S 



197 



2,340 



1.1 



14 



13 



C; P' 



CEL (4) 



Alclad 3003 



S 



197 



2,340 



<0.1 



2 



2 



C;P. 



INCO (3) 



Alclad 3003-H12 



W 



402 



2,370 



2.2 



14 



15 



C;P ; 



CEL (4) 



Alclad 3003 



W 



402 



2,370 



1.6 











k 



INCO (3) 



Alclad 3003-H12 



s 



402 



2,370 



1.8 



13 



14 



C; p' 



CEL (4) 



Alclad 3003 



s 



402 



2,370 



0.4 











m 



INCO (3) 



Alclad 3003-H12 



w 



181 



5 



1.0 



I 



(J 



IP 



CEL (4) 



Alclad 3003 



w 



181 



5 



1.0 



2 







N-P 



INCO (3) 



Alclad 3003 



w 



366 



5 



0.5 



2 



O 



N-P 



INCO (3) 



Alclad 3003-H12 



w 



398 



5 



1.1 



16 







P 



CEL (4) 



Alclad 3003-H12 



w 



540 



5 



0.3 



16 







P 



CEL (4) 



Alclad 3003-H12 



w 



588 



5 



1.8 



17 







P 



CEL (4) 



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

 specimens were embedded in the bottom sediments. 



Symbols 



fo 



types of corrosion: 







B 





= 



Blisters 



N 



= Numerous 



C 





= 



Crevice 



P 



= Pitting 



D 





= 



Deep 



PR 



= Perforated 



E 





= 



Edge 



S 



= Severe 



EX 





= 



Extensive 



SL 



= Slight 



G 

 I 





= 



General 

 Incipient 



U 



= Uniform 



Numbers refer to references at end of report. 



About 40% of specimen missing. 



Large area of cladding gone. 

 ■'Nonuniform cladding loss. 

 ^Nonuniform cladding loss, 18% gone, one area 7 sq. in. 



Nonuniform cladding loss, 1 3% gone, one area 5 sq. in. 



One 7-sq.-in. area of cladding gone from portion in water; cladding gone on 2-in.-high strip across bottom portion in 

 bottom sediment. 



•'20% cladding gone and incipient pitting in denuded area. 



k 

 60% of cladding gone. 



18% of cladding gone, incipient pitting in denuded area; cladding gone on 2-in.4iigh strip across bottom portion embedded 

 in bottom sediment. 



20% of cladding gone. 



201 



