Table 6. Stress Corrosion Tests (Cont'd) 



Alloy 



Stress , 

 KSI 



7o Y.S. 



Exposure , 

 Days 



Depth, 



Ft. 



Number of 

 Specimens 



Number 

 Failed 



AISI Type 502 



17.8 

 17.8 

 26.7 

 26.7 



50 

 50 

 75 

 75 



197 



402 

 197 

 402 



2340 

 2370 

 2340 

 2370 



3 

 3 

 3 

 3 





 

 

 



ASTM A387, Grade D 



24.3 

 36.5 



50 

 75 



402 

 402 



2370 

 2370 



3 

 3 





 



ASTM A36 



20.2 

 30.2 



50 

 75 



402 

 402 



2370 

 2370 



3 

 3 





 



187o Ni Mar aging 



109.0 

 155.7 

 233.5 



35 

 50 

 75 



402 

 402 

 402 



2370 

 2370 

 2370 



3 

 3 

 3 





 

 



187o Ni Mar aging 

 Welded 



109.0 

 155.7 

 233.5 



35 

 50 

 75 



402 

 402 

 402 



2370 

 2370 

 2370 



3 

 3 

 3 





 

 



36 



