Table 4. Stress Corrosion of Titanium Alloys 



Alloy 



Stress , 



Percent of 



Exposure , 



Depth, 



Specimens 



Exposed 



Failed 





KSI 



Yield Strength 



Days 



Feet 







75A 



24.5 



35 



403 



6780 



2 







75A 



24.5 



35 



197 



2340 



3 







75A 



35.0 



50 



403 



6780 



2 







75A 



35.0 



50 



197 



2340 



3 







75A 



35.0 



50 



402 



2370 



3 







75A 



52.6 



75 



403 



6780 



2 







75A 



52.6 



75 



197 



2340 



3 







75A 1/ 

 75A T 



75A T 



75A 2 

 75A- 



52.6 



75 



402 



2370 



3 







28.8 



35 



180 



5 



3 







41.2 



50 



180 



5 



3 







61.7 



75 



180 



5 



3 







Welding 



; stresses 



181 



5 



4 







Ti-O.lSPdj 7 , 

 Ti-0.15PAr/ 

 Ti-0.15Pdr, 

 Ti-0.15Pd- 



23.8 



35 



180 



5 



3 







33.9 



50 



180 



5 



3 







50.8 



75 



180 



5 



3 







Welding 



; stresses 



181 



5 



4 







5Al-2.5SnY/ 

 5Al-2.5Srtry 

 5Al-2.5Snj/ 

 5Al-2.5Sny/ 

 5Al-2.5Sny, 

 5Al-2.5Sny/ 

 5Al-2.5Sny/ 

 5Al-2.5Sny/ 

 5Al-2.5Sny, 

 5Al-2.5Sn^/ 

 5Al-2.5Snj/ 

 5Al-2.5Snj/ 

 5Al-2.5Sny/ 

 5Al-2.5Sny/ 

 5Al-2.5Sn^ 

 5Al-2.5Sn| / , 

 5Al-2.5Sn|/ 

 5Al-2.5Sn| / / 

 5Al-2.5Sn|, 

 5Al-2.5Sn|/ 

 5Al-2.5Srr^ / 



42.9 



35 



123 



5640 



3 







42.9 



35 



403 



6780 



2 







42.9 



35 



751 



5640 



3 







42.9 



35 



197 



2340 



3 







61.3 



50 



123 



5640 



3 







61.3 



50 



403 



6780 



2 







61.3 



50 



751 



5640 



3 







61.3 



50 



197 



2340 



3 







92.0 



75 



123 



5640 



3 







92.0 



75 



403 



6780 



2 



°3/ 



92.0 



75 



751 



5640 



3 



92.0 



75 



197 



2340 



3 







43.3 



35 



180 



5 



3 







61.8 



50 



180 



5 



3 







92.7 



75 



180 



5 



3 







Welding 



j stresses 



123 



5640 



2 







Welding 



, stresses 



403 



6780 



2 



°4/ 



Welding 



stresses 



751 



5640 



2 



Welding 



stresses 



197 



2340 



2 







Welding 



stresses 



402 



2370 



2 







Welding 



stresses 



181 



5 



4 







15 



