TABLE 7.9
Average Corrosion Losses of Sacrificial Metal Coatings for
10 Years
Average Corrosion
Loss (mil
a
/10 years)
Zinc 55% AlZn Aluminum
Location Atmosphere
Root Wall Root Wall
Root W
all
Inland Rural 0.42 0.17 0.15 0.06 0.06 0.02
Urban 1.48 0.59
Industrial 1.40 0.56 0.25 0.06 0.06 0.02
Severe industrial 1.59
0.64
Inland shore of
lake or marsh
Rural 0.59 0.24 0.20 0.08 0.07 0.03
Urban 1.97 0.79
Industrial 1.40 0.56 0.20 0.08 0.08 0.03
Severe
industrial 2.12
0.85
Coast Rural 0.74 0.23 0.25 0.10 0.08 0.04
Urban 2.47 0.99
Industrial 1.75 0.70 0.25 0.10 0.10 0.04
Severe
industrial 2.65
1.06
Seashore Severe industrial 2.06
0.82 0.46 0.18 0.19 0.07
a
1 milZ
25.4 mm.
Source: I.
Suzuki. 1989.
Corrosion Resistant Coatings
Technology,
New
York: Marcel Dekker.
Coatings
439
CAT8247—CHAPTER 7—17/10/2006—15:03—TRGANESH—XMLM ODEL B–pp. 403–485
Average Corrosion Losses of Sacrificial Metal Coatings for
10 Years
Average Corrosion
Loss (mil
a
/10 years)
Zinc 55% AlZn Aluminum
Location Atmosphere
Root Wall Root Wall
Root W
all
Inland Rural 0.42 0.17 0.15 0.06 0.06 0.02
Urban 1.48 0.59
Industrial 1.40 0.56 0.25 0.06 0.06 0.02
Severe industrial 1.59
0.64
Inland shore of
lake or marsh
Rural 0.59 0.24 0.20 0.08 0.07 0.03
Urban 1.97 0.79
Industrial 1.40 0.56 0.20 0.08 0.08 0.03
Severe
industrial 2.12
0.85
Coast Rural 0.74 0.23 0.25 0.10 0.08 0.04
Urban 2.47 0.99
Industrial 1.75 0.70 0.25 0.10 0.10 0.04
Severe
industrial 2.65
1.06
Seashore Severe industrial 2.06
0.82 0.46 0.18 0.19 0.07
a
1 milZ
25.4 mm.
Source: I.
Suzuki. 1989.
Corrosion Resistant Coatings
Technology,
New
York: Marcel Dekker.
Coatings
439
CAT8247—CHAPTER 7—17/10/2006—15:03—TRGANESH—XMLM ODEL B–pp. 403–485