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Atmospheric Corrosion Data
Atmospheric Corrosion Data
General Atmospheric Corrosion Rates Comparison of Metals (ISO Corrosion Classes
| CATEGORIES OF CORROSIVITY OF THE ATMOSPHERES |
|---|
| Category | Corrosivity |
|---|
| C1 | Very Low |
| C2 | Low |
| C3 | Medium |
| C4 | High |
| C5 | Very High |
One-Year Corrosion Loss of Flat Metal Samples After One-Year Exposure at Various Test Sites
| Test Site | Unalloyed Steel (?m/yr) | Zinc (Hot-Dip Galvanizied) (?m/yr) | Copper (?m/yr) | Aluminum (?m/yr) |
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| Ahtari | 12.8 | 0.70 | 0.70 | 0.10 |
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| Auby | 106.0 | 5.60 | 1.90 | 1.70 |
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| Baracaldo | | 1.20 | 1.20 | 0.20 |
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| Batumi | 28.7 | 1.60 | 2.00 | 0.10 |
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| Bergen | 27.9 | 2.10 | 1.00 | 0.10 |
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| Bergisch Glad. | 36.2 | 1.60 | 0.60 | 0.30 |
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| Biarritz | 87.2 | 4.30 | 3.69 | 1.20 |
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| Birkenes | 19.7 | 2.30 | 1.30 | 0.10 |
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| Borregaard | 61.7 | 3.80 | 1.40 | 0.60 |
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| Boucherville | 23.2 | 1.40 | 1.10 | 0.40 |
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| Buenos Aires | 16.2 | 1.01 | 0.64 | 0.05 |
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| Camet | 36.8 | 1.26 | 2.23 | 0.19 |
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| Caracaido | 43.9 | | | |
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| Choshi | 43.3 | 1.40 | 1.35 | 0.33 |
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| Crowthorne | 37.4 | 1.10 | 1.10 | 0.12 |
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| El Pardo | 15.5 | 0.50 | 1.10 | 0.05 |
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| Fleet Hall | 39.0 | 1.34 | 0.93 | 0.36 |
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| Helsinki | 33.3 | 1.30 | 0.70 | 0.30 |
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| Iugazu | 5.8 | 1.62 | 0.80 | 0.05 |
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| Jubay-Antarctic | 36.6 | 1.87 | 2.04 | 1.31 |
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| Judgeford | 19.3 | 0.66 | 1.36 | 0.06 |
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| KasperskeHory | 26.0 | 1.90 | 2.00 | 0.50 |
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| Kattesand | 35.2 | 1.50 | 1.70 | 0.40 |
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| Kopisty | 70.7 | 3.50 | 3.30 | 0.70 |
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| Kure Beach | 37.9 | 2.01 | 2.85 | 0.29 |
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| Kvarnvik | 61.6 | 1.80 | 2.80 | 0.60 |
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| Lagoas | 26.9 | 1.00 | 1.00 | 0.20 |
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| Los Angeles | 21.4 | 1.09 | 1.16 | 0.56 |
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| Madrid | 27.7 | 0.60 | 0.50 | 0.07 |
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| Murmansk | 30.8 | 1.10 | 1.70 | 0.80 |
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| Newark | 26.4 | 1.96 | 1.39 | 0.28 |
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| Okinawa | 75.2 | 3.40 | 2.10 | 0.26 |
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| Oslo | 25.2 | 1.30 | 0.60 | 0.20 |
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| Ostende (B) | 99.3 | 5.10 | 3.10 | 1.50 |
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| Otaneiemi | 25.6 | 0.90 | 0.80 | 0.10 |
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| Oymyakon | 0.8 | 0.40 | 0.09 | 0.07 |
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| Panama CZ | 373.0 | 17.50 | 5.46 | 0.57 |
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| Paris | 41.7 | 3.00 | 1.40 | 0.90 |
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| Picherande | 16.1 | 0.90 | 1.40 | 0.30 |
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| Point Reyes | 40.1 | 1.73 | 2.42 | 0.22 |
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| Ponteau Mart. | 72.4 | 2.60 | 2.70 | 1.00 |
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| Praha | 47.4 | 2.80 | 1.30 | 0.60 |
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| Res Triang Park | 23.1 | 0.84 | 2.43 | 0.11 |
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| Rye | 58.5 | 2.54 | 1.86 | 0.42 |
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| Salin de Gir. | 73.0 | 4.60 | 3.20 | 0.70 |
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| San Juan | 4.6 | 0.18 | 0.18 | 0.03 |
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| St. Denis | 37.2 | 1.50 | 1.20 | 1.20 |
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| St. Remy | 44.1 | 1.50 | 1.80 | 0.70 |
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| Stockholm Vana | 24.4 | 0.60 | 0.60 | 0.20 |
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| Stratford | 38.7 | 1.67 | 1.13 | 0.29 |
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| Svanvik | 20.2 | 0.80 | 0.80 | 0.10 |
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| Tananger | 59.6 | 3.00 | 1.90 | 0.60 |
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| Tokyo | 39.5 | 1.50 | 0.66 | 0.54 |
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| Vladivostok | 25.9 | 2.30 | 1.40 | 0.30 |
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| Source: W. W. Kirk and H. H. Lawson, eds., Atmospheric Corrosion, STP1239, ASTM, 1990. Reprinted, with permission, copyright ASTM. |
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Atmospheric Corrosivity Ranking of Steel and Zinc at Various Test Sites Two-Year Exposure
| Ranking | Location | Weight Loss (g) | Loss Ratio |
|---|
| Steel | Zinc | Steel | Zinc | Steel/Zinc |
|---|
| 1 | 1 | Norman Wells, NWT, Canada | 0.73 | 0.07 | 10.4 |
| 2 | 2 | Phoenix, AZ | 2.23 | 0.13 | 17.2 |
| 3 | 3 | Saskatoon, SK, Canada | 2.77 | 0.13 | 21.3 |
| 4 | 4 | Esquimalt, Vancouver Island, BC, Canada | 6.50 | 0.21 | 31.0 |
| 5 | 15 | Detroit, MI | 7.03 | 0.58 | 12.1 |
| 6 | 5 | Fort Amidor Pier, Panama, C.Z. | 7.10 | 0.28 | 25.4 |
| 7 | 11 | Morenci, MI | 9.53 | 0.53 | 18.0 |
| 8 | 7 | Ottawa, ON, Canada | 9.60 | 0.49 | 19.6 |
| 9 | 13 | Potter County, PA | 10.00 | 0.55 | 18.2 |
| 10 | 31 | Waterbury, CT | 11.00 | 1.12 | 9.8 |
| 11 | 10 | State College, PA | 11.17 | 0.51 | 21.9 |
| 12 | 28 | Montreal, PQ, Canada | 11.44 | 1.05 | 21.9 |
| 13 | 6 | Melbourne, Australia | 12.70 | 0.34 | 37.4 |
| 14 | 20 | Halifax (York Redoubt), NS, Canada | 12.97 | 0.70 | 18.5 |
| 15 | 19 | Durham, NH | 13.30 | 0.70 | 19.0 |
| 16 | 12 | Middletown, OH | 14.00 | 0.54 | 25.9 |
| 17 | 30 | Pittsburgh, PA | 14.90 | 1.14 | 13.1 |
| 18 | 27 | Columbus, OH | 16.00 | 0.95 | 16.8 |
| 19 | 21 | South Bend, PA | 16.20 | 0.78 | 20.8 |
| 20 | 18 | Trail, BC, Canada | 16.90 | 0.70 | 24.1 |
| 21 | 14 | Bethlehem, PA | 18.30 | 0.57 | 32.1 |
| 22 | 33 | Cleveland, OH | 19.00 | 1.21 | 15.7 |
| 23 | 8 | Miraflores, Panama, C.Z. | 20.90 | 0.50 | 41.8 |
| 24 | 29 | London (Battersea), England | 23.00 | 1.07 | 21.5 |
| 25 | 24 | Monroeville, PA | 23.80 | 0.84 | 28.3 |
| 26 | 35 | Newark, NJ | 24.70 | 1.63 | 15.2 |
| 27 | 16 | Manila, Philippine Islands | 26.20 | 0.66 | 39.7 |
| 28 | 32 | Limon Bay, Panama, C.Z. | 30.30 | 1.17 | 25.9 |
| 29 | 39 | Bayonne, NJ | 37.70 | 2.11 | 17.9 |
| 30 | 22 | East Chicago, IN | 41.10 | 0.79 | 52.0 |
| 31 | 9 | Cape Kennedy, FL (1/2 mile from ocean) | 42.00 | 0.50 | 84.0 |
| 32 | 23 | Brazos River, TX | 45.40 | 0.81 | 56.0 |
| 33 | 40 | Pilsey Island, England | 50.00 | 2.50 | 20.0 |
| 34 | 42 | London (Stratford), England | 54.30 | 3.06 | 17.7 |
| 35 | 43 | Halifax (Federal Building), NS, Canada | 55.30 | 3.27 | 16.9 |
| 36 | 38 | Cape Kennedy, FL (60 yards from ocean, 60-ft. elevation) | 64.00 | 1.94 | 33.0 |
| 37 | 26 | Kure Beach, NC (800-ft. lot) | 71.00 | 0.89 | 79.8 |
| 38 | 36 | Cape Kennedy, FL (60 yards from ocean, 30-ft. elevation) | 80.20 | 1.77 | 45.3 |
| 39 | 25 | Daytona Beach, FL | 144.00 | 0.88 | 163.6 |
| 40 | 44 | Widness, England | 174.00 | 4.48 | 38.8 |
| 41 | 37 | Cape Kennedy, FL (60 yards from ocean, ground level) | 215.00 | 1.83 | 117.5 |
| 42 | 34 | Dungeness, England | 238.00 | 1.60 | 148.8 |
| 43 | 17 | Point Reyes, CA | 244.00 | 0.67 | 364.2 |
| 44 | 41 | Kure Beach, NC (80-ft. lot) | 260.00 | 2.80 | 92.9 |
| 45 | 45 | Galeta Point Beach, Panama, C.Z. | 336.00 | 6.80 | 49.4 |
Source: W. W. Kirk and H. H. Lawson, eds., Atmospheric Corrosion, STP1239, ASTM, 1990.
Reprinted with permission, copyright ASTM |
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