Table 20. Stress Corrosion of Copper Alloys (Bronzes) 



Alloy 



CDA 



No." 



Stress 

 (ksi) 



Tensile 



Strength 



(%) 



Exposure 



(day) 



Depth 

 (ft) 



Specimens 



c b 

 Source 



Exposed 



Failed 



Phosphor bronze A 



510 



12.0 



50 



403 



6,780 



2 







CEL (4) 



Phosphor bronze A 



510 



19.0 



75 



403 



6,780 



2 







CEL (4) 



Phosphor bronze A 



510 



12.5 



50 



197 



2,340 



3 







CEL (4) 



Phosphor bronze A 



510 



18.7 



75 



197 



2,340 



3 







CEL (4) 



Phosphor bronze A 



510 



12.6 



50 



402 



2,370 



3 







CEL (4) 



Phosphor bronze A 



510 



19.0 



75 



402 



2,370 



3 







CEL (4) 



Phosphor bronze D 



5 24 



10.0 



35 



403 



6,780 



2 







CEL (4) 



Phosphor bronze D 



524 



14.0 



50 



403 



6,780 



2 







CEL (4) 



Phosphor bronze D 



5 24 



21.0 



75 



403 



6,780 



2 







CEL (4) 



Phosphor bronze D 



524 



9.8 



35 



197 



2,340 



3 







CEL (4) 



Phosphor bronze D 



524 



13.9 



50 



197 



2,340 



3 







CEL (4) 



Phosphor bronze D 



524 



20.9 



75 



197 



2,340 



3 







CEL (4) 



Phosphor bronze D 



524 



16.4 



50 



402 



2,370 



3 







CEL (4) 



Phosphor bronze D 



524 



24.5 



75 



402 



2,370 



3 







CEL (4) 



Al bronze, 5% 



606 



18.0 



35 



403 



6,780 



2 







CEL (4) 



Al bronze, 5% 



606 



26.0 



50 



403 



6,780 



2 







CEL (4) 



Al bronze, 5% 



606 



38.0 



75 



403 



6,780 



2 







CEL (4) 



Al bronze, 5% 



606 



17.9 



35 



197 



2,340 



3 







CEL (4) 



Al bronze, 5% 



606 



25.6 



50 



197 



2,340 



3 







CEL (4) 



Al bronze, 5% 



606 



38.4 



75 



197 



2,340 



3 







CEL (4) 



Al bronze, 5% 



606 



28.3 



50 



402 



2,370 



3 







CEL (4) 



Al bronze, 5% 



606 



42.5 



75 



402 



2,370 



3 







CEL (4) 



Si bronze A 



655 



10.0 



35 



403 



6,780 



2 







CEL (4) 



Si bronze A 



655 



14.0 



50 



403 



6,780 



2 







CEL (4) 



Si bronze A 



655 



21.0 



75 



403 



6,780 



2 







CEL (4) 



Si bronze A 



655 



9.6 



35 



197 



2,340 



3 







CEL (4) 



Si bronze A 



655 



13.8 



50 



197 



2,340 



3 







CEL (4) 



Si bronze A 



655 



20.6 



75 



197 



2,340 



3 







CEL (4) 



Si bronze A 



655 



10.8 



50 



402 



2,370 



3 







CEL (4) 



Si bronze A 



655 



16.2 



75 



402 



2,370 



3 







CEL (4) 



"Copper Development Association alloy number. 

 Numbers refer to references at end of report. 



78 



