Table 12. Corrosion of Steels 



Alloy 



Exposed 



Corrosion 

 Rate, 



mpyW 



(13) 

 Corrosion, 

 Type 



Source^ 



Days 



Depth, 

 Feet 



Armco Iron 



181 

 197 

 123 



5 

 2340 

 5640 



6.9 

 1.9 

 3.1 



U 

 G 

 U 



INCOW 

 INCoW 

 INCOW 



Wrought Iron 



181 

 197 



5 

 2340 



5.3 

 2.0 



U 

 U 



NCEL 

 NCEL 





123 



5640 



2.6 



u 



NCEL 



AISI 1010 



181 



5 



9.1 



u 



NCEL 





181 



5 



9.0 



G 



INCOW 





197 

 197 



2340 

 2340 



1.5 

 1.7 



u 



G 



NCEL 

 INCOW 





123 

 123 



5640 

 5640 



3.0 

 2.4 



U 

 G 



NCEL 

 INCC-( 8 ) 



Copper Steel 



181 

 197 

 123 



5 

 2340 

 5640 



9.0 

 2.0 

 1.9 



G 

 G 

 U 



INCoW 

 INCOW 

 INCOW 



ASTM A3 6 



181 



5 



10.7 



C,G< 3 > 



NCEL 





197 



2340 



1.7 



U 



NCEL 





123 



5640 



3.1 



u 



NCEL 



HSLA #1 (4) 



181 



5 



9.7 



p,g( 5 > 



NCEL 





197 



2340 



1.4 



u 



NCEL 





123 



5640 



2.9 



u 



NCEL 



HSLA #2 



181 



5 



6.8 



P,G< 6 > 



NCEL 





197 



2340 



1.4 



u 



NCEL 





123 



5640 



4.7 



u 



NCEL 



HSLA #4 



181 



5 



11.0 



G 



INCC/ 8 ) 





197 



2340 



1.4 



U 



NCEL 





197 



2340 



2.2 



G 



INCoW 





123 

 123 



5640 

 5640 



3.6 

 4.3 



U 



c,u< 7 > 



NCEL 

 INCOW 



HSLA #5 



181 



5 



8.9 



u 



NCEL 





181 



5 



11.0 



G 



incoW 





197 



2340 



1.4 



U 



NCEL 



