Table 19. Corrosion Rates and Types of Corrosion of Copper Alloys (Bronzes) 



Alloy 



CDA 



Environment 



Exposure 



Depth 



Corrosion 

 Rate 



Type of 



Source 





No. a 





(day) 



(ft) 



(mpy) 



Corrosion c 





G Bronze 



- 



W 



123 



5,640 



0.5 



U 



INCO (3) 



G Bronze 



- 



S 



123 



5,640 



0.3 



U 



INCO (3) 



G Bronze 



- 



W 



403 



6,780 



0.7 



u 



INCO (3) 



G Bronze 



- 



S 



403 



6,780 



0.1 



GBSL 



INCO (3) 



G Bronze 



- 



W 



751 



5,640 



0.7 



U 



INCO (3) 



G Bronze 



- 



S 



751 



5,640 



0.3 



U 



INCO (3) 



G Bronze 



- 



W 



1,064 



5,300 



0.3 



U 



INCO (3) 



G Bronze 



- 



S 



1,064 



5,300 



0.4 



U 



INCO (3) 



G Bronze 



- 



W 



197 



2,340 



0.2 



U 



.NCO (3) 



G Bronze 



- 



S 



197 



2,340 



<0.1 



I-C 



INCO (3) 



G Bronze 



- 



W 



402 



2,370 



0.3 



u 



INCO (3) 



G Bronze 



- 



s 



402 



2,370 



<0.1 



ET 



INCO (3) 



G Bronze 



- 



w 



181 



5 



1.3 



G 



INCO (3) 



G Bronze 



- 



w 



366 



5 



1.2 



CR(9) 



INCO (3) 



Modified G Bronze 



- 



w 



123 



5,640 



0.5 



U 



INCO (3) 



Modified G Bronze 



- 



s 



123 



5,640 



0.3 



u 



INCO (3) 



Modified G Bronze 



- 



w 



403 



6,780 



0.4 



u 



INCO (3) 



Modified G Bronze 



- 



s 



403 



6,780 



<0.1 



u 



INCO (3) 



Modified G Bronze 



- 



w 



751 



5,640 



0.7 



u 



INCO (3) 



Modified G Bronze 



- 



s 



751 



5,640 



0.4 



C(19) 



INCO (3) 



Modified G Bronze 



- 



w 



1,064 



5,300 



0.4 



C(18);P 



INCO (3) 



Modified G Bronze 



- 



s 



1,064 



5,300 



0.5 



U 



INCO (3) 



Modified G Bronze 



- 



w 



197 



2,340 



0.3 



U 



INCO (3) 



Modified G Bronze 



- 



s 



197 



2,340 



0.2 



NU-ET 



INCO (3) 



Modified G Bronze 



- 



w 



402 



2,370 



0.3 



U 



INCO (3) 



Modified G Bronze 



- 



s 



402 



2,370 



<0.1 



ET 



INCO (3) 



Modified G Bronze 



- 



w 



181 



5 



1.3 



G 



INCO (3) 



Modified G Bronze 



- 



w 



366 



5 



1.0 



CR(7) 



INCO (3) 



M Bronze 



- 



w 



123 



5,640 



0.5 



U 



INCO (3) 



M Bronze 



- 



s 



123 



5,640 



0.4 



U 



INCO (3) 



M Bronze 



- 



w 



403 



6,780 



0.4 



U 



INCO (3) 



M Bronze 



- 



s 



403 



6,780 



<0.1 



U 



INCO (3) 



M Bronze 



- 



w 



751 



5,640 



0.7 



U 



INCO (3) 



M Bronze 



- 



s 



751 



5,640 



0.3 



U 



INCO (3) 



M Bronze 



- 



w 



1,064 



5,300 



0.4 



U 



INCO (3) 



M Bronze 



- 



s 



1,064 



5,300 



0.4 



U 



INCO (3) 



M Bronze 



- 



w 



197 



2,340 



0.4 



U 



INCO (3) 



M Bronze 



- 



s 



197 



2,340 



0.1 



ET 



INCO (3) 



M Bronze 



- 



w 



402 



2,370 



0.3 



U 



INCO (3) 



M Bronze 



- 



s 



402 



2,370 



<0.1 



ET 



INCO (3) 



M Bronze 



- 



w 



181 



5 



1.6 



G 



INCO (3) 



M Bronze 



- 



w 



366 



5 



1.1 



CR(2) 



INCO (3) 



Leaded Sn Bronze 



- 



w 



123 



5,640 



0.4 



U 



INCO (3) 



Leaded Sn Bronze 



- 



s 



123 



5,640 



0.2 



U 



INCO (3) 



Leaded Sn Bronze 



- 



w 



403 



6,780 



0.5 



U 



INCO (3) 



Leaded Sn Bronze 



- 



s 



403 



6,780 



0.1 



U 



INCO (3) 



Leaded Sn Bronze 



- 



w 



751 



5,640 



0.6 



U 



INCO (3) 



Leaded Sn Bronze 



- 



s 



751 



5,640 



3.2 



S-G 



INCO (3) 



Leaded Sn Bronze 



— 



w 



1,064 



5,300 



0.4 



U 



INCO (3) 



71 



