Listing ID #6076790
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ab – 1 Estimated life of galvanized iron sheets in different atmospheric conditions |
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Zinc coating weight |
Rural |
Tropical marine |
Suburban |
Urban |
Highly industrial |
gsm |
Years |
Years |
Years |
Years |
Years |
600 |
40 |
40 |
30 |
25 |
15 |
375 |
30 |
30 |
20 |
17 |
9 |
300 |
20 |
20 |
12 |
10 |
7 |
180 |
8 |
8 |
5 |
4 |
3 |
100 |
6 |
6 |
4 |
3 |
2 |