Table 59. Stress Corrosion of 1000 Series Aluminum Alloys 



Alloy 



Stress 

 (ksi) 



Percent 



Yield 



Strength 



Exposure 



(day) 



Depth 

 (ft) 



Number of 



Specimens 



Exposed 



Number 

 Failed 



Source' 7 



1100-H14 

 1100-H14 



1180 

 1180 



8 



12 



6 

 10 



50 



75 



50 



75 



402 

 402 



402 

 402 



2,370 

 2,370 



2,370 

 2,370 



3 

 3 



3 

 3 





 





 



CEL (4) 

 CEL (4) 



CEL (4) 

 CEL (4) 





"Numbers refer to references at end of report. 



Table 60. Changes in Mechanical Properties of 1000 Series Aluminum Alloys Due to Corrosion 



Exposure Depth 

 Alloy ;. , ,/. 

 ' (day) (ft) 



Tensile Strength 



Yield Strength 



Elongation 



Source 



Original 



(ksi) 



% Change 



Original 

 (ksi) 



% Change 



Original 

 (%) 



% Change 



1100-H14 402 2,370 

 1180 402 2,370 



19 

 15 



-2 

 + 1 



18 



14 



+ 3 

 +4 



7 

 11 



+ 14 

 + 1 



CEL (4) 

 CEL (4) 



Numbers refer to references at end of report. 



Table 61. Chemical Composition of 2000 Series Aluminum Alloys, Percent by Weight 



Alloy 



Gage 



(in.) 



Si 



Fe 



Cu 



Mn 



Mg 



Cr 



Ni 



Zn 



Ti 



Other 



Al° 



2014-Te 



_ 



0.80 



0.34 



3.90 



0.70 



0.50 



0.01 



0.01 



0.03 



- 



- 



R 



2014-T6 



0.050 



0.91 



0.53 



4.23 



0.80 



0.32 



0.03 



0.01 



0.08 



0.02 



- 



R 



2014-T6 



- 



0.84 



0.35 



4.43 



0.80 



0.66 



- 



- 



- 



- 



- 



R 



2024 



0.064 



- 



- 



4.3 



0.6 



1.5 



- 



- 



- 



- 





R 



2024-T3+T81 



- 



0.20 



0.20 



4.50 



0.80 



1.50 



0.02 



0.04 



0.06 



0.01 





R 



Alclad 2024-T3* 



























2219-T81 



0.064 



0.20 



0.30 



6.3 



0.30 



<0.02 



- 



- 



0.10 



0.06 



0.10 V 

 0.17 Zr 



R 



2219-T81 



- 



0.05 



0.15 



4.00 



0.10 



0.05 



0.05 



0.10 



0.05 



0.05 



- 



R 



2219-T87 



0.040 



0.08 



0.12 



6.54 



0.26 



<0.02 



<0.02 



<0.02 



0.03 



0.02 



0.10 V 

 0.15 Zr 



R 



2219-T87 



0.040 



- 



- 



6.3 



0.30 





" 



" 



- 



0.06 



- 



R 



R = remainder. 

 No analysis given. 



193 



