Table 67. Stress Corrosion of 3000 Series Aluminum Alloys 



Alloy 



Stress 

 (ksi) 



Percent 



Yield 



Strength 



Exposure 

 (day) 



Depth 

 (ft) 



Number of 



Specimens 



Exposed 



Number 

 Failed 



Source" 



3003-H14 

 3003-H14 



6 

 9 



50 



75 



402 

 402 



2,370 

 2,370 



3 

 3 





 



CEL (4) 

 CEL (4) 



"Numbers refer to references at end of report. 



Table 68. Changes in Mechanical Properties of 3000 Series Aluminum Alloys Due to Corrosion 









Tensile 



Strength 



Yield 



Strength 



Elon 



nation 





Alloy 



Exposure 

 (day) 



Depth 

 (ft) 















Source 



Original 

 (ksi) 



% Change 



Original 

 (ksi) 



% Change 



Original 



(%) 



% Change 



3003-H14 



123 



5,640 



22 



-4 



20 



-8 



13 



-43 



CEL (4) 



3003-H14 



403 



6,780 



22 



-48 



20 



-50 



13 



-77 



CEL (4) 



3003-H14 



751 



5,640 



21 



-20 



21 



-11 



4 



+25 



NADC (7) 



3003-H14 



751 



5,640 



22 



-24 



20 



-26 



13 



-72 



CEL (4) 



3003-H14 



1,064 



5,300 



22 



-3 



20 



-18 



13 



-20 



CEL (4) 



3003-H14 



197 



2,340 



22 



-6 



20 



-10 



13 



+ 15 



CEL (4) 



3003-H14 



402 



2,370 



22 



+6 



20 



+ 11 



13 



+5 



CEL (4) 



3003-H14 



181 



5 



23 



+4 



21 



-1 



18 



-1 



CEL (4) 



Alclad 3003-H12 



123 



5,640 



19 



-2 



18 



-1 



14 



-42 



CEL (4) 



Alclad 3003-H12 



403 



6,780 



19 



+ 3 



18 



-1 



14 







CEL (4) 



Alclad 3003-H12 



751 



5,640 



19 



-3 



18 



-4 



14 



-19 



CEL (4) 



Alclad 3003-H12 



1,064 



5,300 



19 



+ 3 



18 



+ 1 



14 



-12 



CEL (4) 



Alclad 3003-H12 



197 



2,340 



19 



+ 1 



18 



+2 



14 



+7 



CEL (4) 



Alclad 3003-H12 



402 



2,370 



19 



+ 1 



18 







14 



-14 



CEL (4) 



Alclad 3003-H12 



181 



5 



19 



+4 



18 



+ 1 



14 



+2 



CEL (4) 



Alclad 3003-H14 



123 



5,640 



21 







" 



" 



4 



+ 100 



NADC (7) 



Numbers refer to references at end of report. 



202 



