Table 83. Continued. 



Alloy 



Stress 

 (ksi) 



Percent 



Yield 



Strength 



Exposure 

 (day) 



Depth 

 (ft) 



Number of 



Specimens 



Exposed 



Number 

 Failed 



Source" 



13V-llCr-3Al fo 



70 



50 



751 



5,640 



3 







CEL(4) 



13V-llCr-3Al* 



105 



75 



751 



5,640 



3 







CEL (4) 



13V-llCr-3Al d 



e 



- 



751 



5,640 



2 



1* 



CEL (4) 



13V-llCr-3Al fc 



49 



35 



197 



2,340 



3 







CEL (4) 



13V-llCr-3Al & 



70 



50 



197 



2,340 



3 







CEL (4) 



13V-llCr-3Al fo 



105 



75 



197 



2,340 



3 







CEL (4) 



13V-llCr-3Al d 



e 



- 



197 



2,340 



3 







CEL (4) 



13V-llCr-3Al d 



e 



- 



402 



2,370 



2 



\f 



CEL (4) 



13V-llCr-3Al fc 



44 



35 



180 



5 



3 







CEL (4) 



13V-llCr-3Al fc 



63 



50 



180 



5 



3 







CEL (4) 



13V-llCr-3Al fc 



95 



75 



180 



5 



3 



3 h 



CEL (4) 



13V-llCr-3Al d 



e 



- 



181 



5 



4 



1* 



CEL (4) 



13V-llCr-3Al fo 



e 



- 



398 



5 



2 



2' 



CEL (4) 



13V-llCr-3Al rf 



e 



- 



398 



5 



2 



2{ 



CEL (4) 



13V-llCr-3Al fo 



e 



- 



540 



5 



2 



1' 



CEL (4) 



13V-llCr-3Al J 



e 



- 



540 



5 



2 



2 k 



CEL (4) 



13V-llCr-3Al fc 



e 



- 



588 



5 



2 



1' 



CEL (4) 



13V-llCr-3Al d 



e 



- 



588 



5 



2 



2> 



CEL (4) 



"Numbers refer to references at end of report. 



Unrelieved butt weld across width of specimen, TIG process, nonconsumable tungsten electrode, 

 weld at apex of bow. 



c Partially embedded in bottom sediment. 



Unrelieved 3-in.-diam weld bead in center of specimen, TIG process, nonconsumable tungsten electrode. 

 'Residual welding stresses. 



■'Specimen partially embedded in bottom sediment; cracked radially across the weld bead. 

 ^Specimen in seawater; cracked radially across the weld bead. 

 ^Specimens failed in heat-affected zones after 35, 77, and 105 days of exposure. 

 'Cracks across weld beads. 

 •'Six cracks radially across weld beads. 



Twelve cracks radially across weld beads. 



Nineteen cracks radially across weld beads. 



237 



