Page 395 - Corrosion Engineering Principles and Practice
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364     C h a p t e r   9                                                                                                       A t m o s p h e r i c   C o r r o s i o n    365



                        TOW    Cl -      SO     Steel    Cu & Zn   Al
                                           2
                               S         P      2        1–2       2–3
                                2         1
                                         P      2–3      2         3–4
                                          2
                                         P      3        3         4
                                          3
                               S         P      3–4      3         4
                                3         1
                                         P      3–4      3         4
                                          2
                                         P      4        3–4       4
                                          3
                        T      S  or S   P      2–3      3         3
                         3      0    1    1
                                         P      3–4      3         3
                                          2
                                         P      4        3         3–4
                                          3
                               S         P      3–4      3         3–4
                                2         1
                                         P      3–4      3–4       4
                                          2
                                         P      4–5      3–4       4–5
                                          3
                               S         P      4        3–4       4
                                3         1
                                         P      4–5      4         4–5
                                          2
                                         P      5        4         5
                                          3
                        T      S  or S   P      3        3         3
                         4      0    1    1
                                         P      4        3–4       3–4
                                          2
                                         P      5        4–5       4–5
                                          3
                               S         P      4        4         3–4
                                2         1
                                         P      4        4         4
                                          2
                                         P      5        5         5
                                          3
                               S         P      5        5         5
                                3         1
                                         P      5        5         5
                                          2
                                         P      5        5         5
                                          3
                        T      S  or S   P      3–4      3–4       4
                         5      0    1    1
                                         P      4–5      4–5       4–5
                                          2
                                         P      5        5         5
                                          3
                               S         P      5        5         5
                                2         1
                                         P      5        5         5
                                          2
                                         P      5        5         5
                                          3
                               S         P      5        5         5
                                3         1
                                         P      5        5         5
                                          2
                                         P      5        5         5
                                          3
                 TABLE 9.4  (continued)
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