Table 4. Continued 



Alloy 



Stress, 



Percent of 



Exposure , 



Depth, 



Specimens 



Exposed 



Failed 





KSI 



Yield Strength 



Days 



Feet 







2/ 

 SA1-4V|. 



6Al-4V-^y 



6Al-4V§, 



6A1-4VI/ 

 6Al-4vfi 



6A1-4V- 



Welding 



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 







13V-llCr-3AlTy 

 13V-llCr-3Alr/ 

 13V-llCr-3AlY/ 

 13V-llCr-3AlY/ 

 13V-llCr-3AlY/ 

 13V-llCr-3Aly, 

 13V-HCr-3AlY/ 

 13V-llCr-3Aly, 

 13V-llCr-3AlY/ 

 13V-llCr-3AlT/ 

 13V-llCr-3Aly, 

 13V-llCr-3Aly, 

 13V-llCr-3Aly, 

 13V-llCr-3Aly, 

 13V-llCr-3Al-r/ 

 13V-llCr-3Al|/ 

 13V-HCr-3Al|/ 

 13V-llCr-3Al4/ 

 13V-llCr-3Al|, 

 13V-llCr-3Al|, 

 13V-llCr-3Al- 



48.8 



35 



123 



5640 



3 







48.8 



35 



403 



6780 



2 







48.8 



35 



751 



5640 



3 







48.8 



35 



197 



2340 



3 







69.8 



50 



123 



5640 



3 







69.8 



50 



403 



6780 



2 



°4/ 



69.8 



50 



751 



5640 



3 



69.8 



50 



197 



2340 



3 







104.6 



75 



123 



5640 



3 







104.6 



75 



403 



6780 



2 







104.6 



75 



751 



5640 



3 







104.6 



75 



197 



2340 



3 







44.2 



35 



180 



5 



3 







63.0 



50 



180 



5 



3 



%' 



94.5 



75 



180 



5 



3 



Welding 



stresses 



123 



5640 



2 



£1 



Welding 



stresses 



403 



6780 



2 



Welding 



stresses 



751 



5640 



2 



Welding 



stresses 



197 



2340 



2 



[8/9/ 



Welding 



stresses 



402 



2370 



2 



Welding 



stresses 



181 



5 



4 



Transverse butt weld, unrelieved, across specimen at apex of bow. 



Circular weld 3 inches in diameter in center of specimen, unrelieved. 



Two specimens lost when structure was turned on its side and dragged 



along the bottom. 



One specimen lost when structure was turned on its side and dragged 



along the bottom. 



Three specimens lost when structure was turned on its side and dragged 



along the bottom. 



Specimens failed at edge of weld beads after 35, 77 and 105 days. 



Specimen partially embedded in bottom sediment cracked radially across 



the weld bead. 



Specimen in sea water cracked radially across the weld bead. 



Three specimens lost during a storm. 



17 



