问题描述:
Cathodic and Anodic Protection–The cost of cathodic and anodic protection of metallic
structures subject to corrosion can be divided into the cost of materials and
the cost of installation and operation.Industry data showed that the 1998
sales of hardware components totaled $146 million.The largest share of the
cathodic protection market is taken up by sacrificial anodes at $60 million,of
which magnesium has the greatest market share.Major markets for sacrificial
anodes are the water heater market and the underground storage tank market.The
cost of installation of the various cathodic protection components for
underground structures varies significantly,depending on the location and the
specific details of the construction.For 1998,the average total cost for
installing cathodic protection systems was estimated at $0.98 billion (range:
$0.73 billion to $1.22 billion).The total cost for replacing sacrificial anodes
in water heaters and corrosion-related replacement of water heaters was
estimated at $1.24 billion per year.Therefore,the total estimated cost forcathodic and anodic protection is $2.22 billion per year.
structures subject to corrosion can be divided into the cost of materials and
the cost of installation and operation.Industry data showed that the 1998
sales of hardware components totaled $146 million.The largest share of the
cathodic protection market is taken up by sacrificial anodes at $60 million,of
which magnesium has the greatest market share.Major markets for sacrificial
anodes are the water heater market and the underground storage tank market.The
cost of installation of the various cathodic protection components for
underground structures varies significantly,depending on the location and the
specific details of the construction.For 1998,the average total cost for
installing cathodic protection systems was estimated at $0.98 billion (range:
$0.73 billion to $1.22 billion).The total cost for replacing sacrificial anodes
in water heaters and corrosion-related replacement of water heaters was
estimated at $1.24 billion per year.Therefore,the total estimated cost forcathodic and anodic protection is $2.22 billion per year.
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