Table 5. Corrosion Rates of Irons and Steels 



Alloy 



Exposure 

 (day) 



Depth 

 (ft) 



Corrosion 



-late (mpv)' 



Type of 

 Corrosion 



Source 



\V b 



m" 



Armco iron 



123 



5,640 



3.1 



2.4 



U 



INCO (3) 



Armco iron 



403 



6,780 



1.5 



0.5 e 



U 



INCO(3) 



Armco iron 



751 



5,640 



0.8 



0.7 



G 



INCO (3) 



Armco iron 



1,064 



5,300 



0.7 



1.9* 



U 



INCO (3) 



Armco iron 



197 



2,340 



1.9 



0.9 



G 



INCO (3) 



Armco iron 



402 



2,370 



1.4 



1.4 



G 



u, cr/ 



INCO (3) 



Armco iron 



181 



5 



6.9 



- 



INCO (3) 



Armco iron 



366 



5 



7.1 



" 



G 



INCO (3) 



Wrought iron 



123 



5,640 



2.6 



- 



U 



CEL (4) 



Wrought iron 



403 



6,780 



1.4 



1.2 



u 



CEL (4) 



Wrought iron 



751 



5,640 



0.9 



- 



u 



CEL (4) 



Wrought iron 



1,064 



5,300 



0.6 



- 



u 



CEL (4) 



Wrought iron 



197 



2,340 



2.0 



1.2 



u 



CEL (4) 



Wrought iron 



402 



2,370 



1.5 



1.5 



G 



CEL (4) 



Wrought iron 



181 



5 



5.3 



- 



U 



CEL (4) 



Wrought iron 



364 



5 



4.8 



- 



G 



CEL (4) 



Wrought iron 



723 



5 



4.0 



- 



G 



CEL (4) 



Wrought iron 



763 



5 



4.8 



- 



G 



CEL (4) 



AISI 1010 



123 



5,640 



3.0 



2.2 



U 



CEL (4) 



AISI 1010 



123 



5,640 



2.4 



1.5 



U 



INCO (3) 



AISI 1010 



403 



6,780 



1.5 



1.7 



u 



CEL (4) 



AISI 1010 



403 



6,780 



2.3 



0.5 



G 



INCO (3) 



AISI 1010 



751 



5,640 



0.9 



- 



u 



CEL (4) 



AISI 1010 



751 



5,640 



0.8 



0.6 



G 



INCO (3) 



AISI 1010 



1,064 



5,300 



0.8 



- 



U 



CEL (4) 



AISI 1010 



1,064 



5,300 



1.1 



1.0 



u 



CEL (4) 



AISI 1010 



1,064 



5,300 



0.9 



0.5 



u 



INCO (3) 



AISI 1010 



197 



2,340 



1.5 



1.7 



u 



CEL (4) 



AISI 1010 



197 



2,340 



1.7 



0.6 



G 



INCO (3) 



AISI 1010 



402 



2,370 



1.2 



1.1 



u 



CEL (4) 



AISI 1010 



402 



2,370 



1.1 



1.1 



G 



INCO (3) 



AISI 1010 



181 



5 



9.1 



- 



U 



CEL (4) 



AISI 1010 



181 



5 



9.0 



- 



G 



INCO (3) 



AISI 1010 



366 



5 



8.0 



- 



G 



INCO (3) 



AISI 1010 



398 



5 



8.2 



- ■ 



U 



CEL (4) 



AISI 1010 



588 



5 



8.9 



- 



G 



CEL (4) 



AISI 1015 



123 



5,640 



3.0 



- 



U 



MEL (5) 



AISI 1015 



751 



5,640 



1.7 



- 



u 



MEL (5) 



AISI 1015 



1,064 



5,300 



0.6 



- 



u 



MEL (5) 



AISI 1015 s 



386 



5 



5.3 



- 



G 



MEL (5) 



Copper steel 



123 



5,640 



1.9 



1.6 



u 



INCO (3) 



Copper steel 



403 



6,780 



2.1 



0.7 



G 



INCO (3) 



Copper steel 



751 



5,640 



1.4 



0.6 



G 



INCO (3) 



Copper steel 



1,064 



5,300 



0.5 



0.4 



U 



INCO (3) 



Copper steel 



197 



2,340 



2.0 



0.5 



G 



INCO (3) 



Copper steel 



402 



2,370 



1.1 



1.2 



U 



INCO (3) 



Copper steel 



181 



5 



9.0 



- 



G 



INCO (3) 



Copper steel 



366 



5 



6.0 



- 



G 



INCO (3) 



23 



