Table 15. Corrosion Rates and Types of Corrosion of Copper-Zinc Alloys (Brasses) 



Alloy 



CDA 



No." 



Environment 



Exposure 

 (day) 



Depth 

 (ft) 



Corrosion 

 Rate 



(mpy) 



Type of 

 Corrosion" 7 



Source 



Commercial Bronze 



220 



W 



123 



5,640 



0.6 



U 



INCO (3) 



Commercial Bronze 



220 



S 



123 



5,640 



0.3 



U 



INCO (3) 



Commercial Bronze 



220 



W 



403 



6,780 



0.6 



U 



INCO (3) 



Commercial Bronze 



220 



S 



403 



6,780 



<0.1 



u 



INCO (3) 



Commercial Bronze 



220 



W 



751 



5,640 



0.6 



C(9) 



INCO (3) 



Commercial Bronze 



220 



S 



751 



5,640 



0.4 



C(20) 



INCO (3) 



Commercial Bronze 



220 



W 



1,064 



5,300 



0.4 



C(20) 



INCO (3) 



Commercial Bronze 



220 



S 



1,064 



5,300 



0.6 



U 



INCO (3) 



Commercial Bronze 



220 



W 



197 



2,340 



0.3 



U 



INCO (3) 



Commercial Bronze 



220 



S 



197 



2,340 



0.1 



NU-ET 



INCO (3) 



Commercial Bronze 



220 



W 



402 



2,370 



0.2 



SL-DZ 



INCO (3) 



Commercial Bronze 



220 



S 



402 



2,370 



<0.1 



SL-DZ 



INCO (3) 



Commercial Bronze 



220 



W 



181 



5 



1.1 



U 



INCO (3) 



Commercial Bronze 



220 



W 



366 



5 



1.1 



P(4) 



INCO (3) 



Red Brass 



230 



W 



123 



5,640 



1.3 



U 



INCO (3) 



Red Brass 



230 



S 



123 



5,640 



1.7 



SL-DZ 



INCO (3) 



Red Brass 



230 



W 



123 



5,640 



1.9 



V 



MEL (5) 



Red Brass 



230 



W 



403 



6,780 



1.2 



SL-DZ 



INCO (3) 



Red Brass 



230 



S 



403 



6,780 



0.4 



GBSL 



INCO (3) 



Red Brass 



230 



W 



751 



5,640 



0.9 



SL-DZ 



UNCO (3) 



Red Brass 



230 



S 



751 



5,640 



0.7 



U 



INCO (3) 



Red Brass 



230 



W 



751 



5,640 



0.7 



u 



MEL (5) 



Red Brass 



230 



W 



1,064 



5,300 



0.6 



SL-DZ 



INCO (3) 



Red Brass 



230 



s 



1,064 



5,300 



0.3 



G 



INCO (3) 



Red Brass 



230 



w 



1,064 



5,300 



0.6 



U 



MEL (5) 



Red Brass 



230 



w 



197 



2,340 



1.0 



u 



INCO (3) 



Red Brass 



230 



s 



197 



2,340 



0.1 



u 



INCO (3) 



Red Brass 



230 



w 



402 



2,370 



0.7 



u 



INCO (3) 



Red Brass 



230 



s 



402 



2,370 



<0.1 



ET 



INCO (3) 



Red Brass 



230 



w 



181 



5 



1.8 



SL-DZ 



INCO (3) 



Red Brass 



230 



w 



366 



5 



1.2 



CR(6) 



INCO (3) 



Red Brass" 



230 



w 



386 



5 



0.8 



U 



MEL (5) 



Commercial Brass 



268 



w 



1,064 



5,300 



0.8 



S-DZ 



CEL (4) 



Yellow Brass 



268 



w 



1,064 



5,300 



0.6 



MO-DZ 



CEL (4) 



Yellow Brass 



270 



w 



123 



5,640 



1.4 



U 



INCO (3) 



Yellow Brass 



270 



s 



123 



5,640 



1.3 



u 



INCO (3) 



Yellow Brass 



270 



w 



403 



6,780 



1.0 



u 



INCO (3) 



Yellow Brass 



270 



s 



403 



6,780 



0.2 



GBSL 



INCO (3) 



Yellow Brass 



270 



w 



751 



5,640 



2.5 



SL-DZ 



INCO (3) 



Yellow Brass 



270 



s 



751 



5,640 



0.6 



SL-DZ 



INCO (3) 



Continued 



63 



