Table 66. Corrosion Rates and Types of Corrosion of 3000 Series Aluminum Alloys 



Alloy 



Environment 



Exposure 

 (day) 



Depth 

 (ft) 



Corrosion 



Source 



Rate 

 (mpy) 



Maximum 



Pit Depth 6 



(mils) 



Crevice 

 Depth 6 

 (mils) 



Type 6 



3003-H14 



W 



123 



5,640 



0.5 



27 



32 



C;P 



CEL (4) 



3003 



W 



123 



5,640 



0.6 







28 



C 



INCO (3) 



3003-H14 



S 



123 



5,640 



1.9 



55 



68 



C; E;P 



CEL (4) 



3003 



S 



123 



5,640 



3.6 







50 



C(PR) 



INCO (3) 



3003-H14 



W 



403 



6,780 



3.9 



125 



66 



S-C;P (PR) 



CEL (4) 



3003 



W 



403 



6,780 



3.8 







50 



C (PR) 



INCO (3) 



3003-H14 



S 



403 



6,780 



3.7 



125 



52 



S-C;P (PR) 



CEL (4) 



3003 



S 



403 



6,780 



1.3 







50 



C(PR) 



INCO (3) 



3003-H14 



W 



751 



5,640 



2.3 



125 



125 



C (PR);P (PR) 



CEL (4) 



3003 



W 



751 



5,640 



3.0 







40 



C (PR) 



INCO (3) 



3003-H14 



S 



751 



5,640 



2.5 



125 



125 



C (PR);P(PR) 



CEL (4) 



3003 



S 



751 



5,640 



1.8 







40 



C(PR) 



INCO (3) 



3003-H14 



W 



1,064 



5,300 



2.0 



125 



125 



C (PR); S-E;P (PR) 



CEL (4) 



3003 



W 



1,064 



5,300 



2.8 



- 



- 



d 



INCO (3) 



3003-H14 



S 



1,064 



5,300 



1.9 



125 







EX-E;P(PR) 



CEL (4) 



3003 



S 



1,064 



5,300 



1.0 







50 



C(PR) 



INCO (3) 



3003-H14 



W 



197 



2,340 



<0.1 



17 







E;P 



REY (14) 



3003-H14 



w 



197 



2,340 



2.4 



48 



28 



C;S-E;P 



CEL (4) 



3003 



w 



197 



2,340 



1.4 







40 



C(PR) 



INCO (3) 



3003-H14 



s 



197 



2,340 



1.6 



55 



25 



C; E; S-P 



CEL (4) 



3003 



s 



197 



2,340 



<0.1 



I 



I 



I-C; IP 



INCO (3) 



3003-H14 



w 



402 



2,370 



1.4 



91 



93 



S-C; S-E;D-P 



CEL (4) 



3003 



w 



402 



2,370 



1.1 







40 



C(PR) 



INCO (3) 



3003-H14 



s 



402 



2,370 



1.7 



115 



70 



S-C; DP 



CEL (4) 



3003 



s 



402 



2,370 



0.5 







50 



C(PR) 



INCO (3) 



3003-H14 



w 



181 



5 



1.1 



33 







E; P 



CEL (4) 



3003 



w 



181 



5 



1.0 



I 







IP 



INCO (3) 



3003 



w 



366 



5 



0.6 



I 







I-P 



INCO (3) 



3003-H14 



w 



398 



5 



1.0 



21 







P 



CEL (4) 



3003-H14 



w 



540 



5 



0.3 



34 



75 



C;P 



CEL (4) 



3003-H14 



w 



588 



5 



2.0 



65 







P 



CEL (4) 



Alclad 3003-H14 



w 



123 



5,640 



- 



I 







I-P 



NADC (7) 



Alclad 3003-H12 



w 



123 



5,640 



0.2 



18 



15 



B;C;SL-E;P S 



CEL (4) 



Alclad 3003 



w 



123 



5,640 



2.7 











G 



INCO (3) 



Alclad 3003-H12 



s 



123 



5,640 



2.8 



20 







B;C;SL-E e 



CEL (4) 



Alclad 3003 



s 



123 



5,640 



2.6 











G 



INCO (3) 



Alclad 3003-H12 



w 



403 



6,780 



0.4 



13 



14 



C;SL-E; P 



CEL (4) 



Alclad 3003 



w 



403 



6,780 



2.5 











G 



INCO (3) 



Alclad 3003-H12 



s 



403 



6,780 



0.2 



14 



13 



C; SL-E;P 



CEL (4) 



Alclad 3003 



s 



403 



6,780 



0.4 











/ 



INCO (3) 



Alclad 3003-H14 



w 



751 



5,640 



- 











SL-G 



NADC (7) 



Alclad 3003-H12 



w 



751 



5,640 



0.3 



13 



13 



C;E; P 



CEL (4) 



Alclad 3003 



w 



751 



5,640 



1.4 











G 



INCO (3) 



Alclad 3003-H12 



s 



751 



5,640 



2.4 



14 



14 



C; E; P^ 



CEL (4) 



Alclad 3003 



s 



751 



5,640 



1.5 











U 



INCO (3) 



Alclad 3003-H12 



w 



1,064 



5,300 



0.5 



20 



13 



C;P£ 



CEL (4) 



Alclad 3003 



w 



1,064 



5,300 



1.5 











U 



INCO (3) 



200 



